t.rc. : skp-d-cvl test booklet, series serial no. test booklet · do not open this test booklet...

28
DO NOT OPEN THIS TEST BOOKLET UNTIL YOUARE TOLD TO DO SO T.RC. : SKP-D-CVL Test Booklet, Series Serial No. TEST BOOKLET CIVIL ENGINEERING Time Allowed : Three Hours Maximum Marks : 300 _:wJ' ..:-:===: INSTRUCTIONS 1. IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION, YOU SHOULD CHECK THAT THIS TEST BOOKLET DOES NOT HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS, ETC. IF SO, GET IT REPLACED BY A COMPLETE TEST BOOKLET. " " " 2. PLEASE NOTE THAT.IT IS THE CANDIDATE'SRESPONSmILITY TO ENCODE AND FILL IN THE ROLL NUMBER AND TEST BOOKLET SERIES CODE A, .B, C OR D CAREFULLY AND WITHOUT ANYQMISSIONORDISCREPANCY AT THE APPROPRIATE PLACES IN THE OMR ANSWER OM1$SIONIIHSCREPANCY WILL RENDER THE ANSWER SHEET LIABLE FOR. REJECTION.' 3. You have to enter your Roll Number on the Test " I" '. Bo.oklet in ,the Box provided alongside. D@NOT 'orbl wnte anything elseon the Test Booklet. . "" 4. This Test Booklet contains 150 items (questions). Each item comprises four responses (answers). You will select the response which you want to ·mark on the Answer Sheet. In case, you feel that there is more than one correct response, mark {he response which you consider the, best In any case, choose ONLY ONE response for each itel,TI. , " ' , , . , ' , .. '''''' '" ' " 5. Youhave to.mark yoUr responses ONLY on theseparafe Answer Sheetprovided. See directions in the Answer Sheet. ' ' 6. All items carry equal marks. 7. Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet, you have to fill' in some particulars in the Answer Sheet as per instructions sent to you with your Admission Certificate. 8. After you have completed filling in all your Jesponses on the Answer Sheet and the examination has concluded, you should hand, over to the Invigilator only the Answer Sheet. You are permitted to take away with you the Test Booklet. ' ' 9. Sheets for rough work are appended in the Test Booklet at the end. ' 10. Penalty for wrong Answers: , THEREWILL BE PENALTY FOR'WRONG ANSWERS MARKED BY A CANDIDATE. (i) Therehrefour alternatives for the answer to every question. For each question for which a wrong answer has been given by the candidate, of the marks assigned to that question will be deducted as penalty. ,. , ' (ii) If a candidate gives more thanorie, answer, it will be treated as )'VronganslfE!r even if one of the given answers happens· to .be correct and, there will be saine penalty, as above to that (iii) . i.e.: no answer is given by the candidate, there will be no penalty . for that question. ,--_....., , DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE TOLD TO DO SO

Upload: lengoc

Post on 29-Jul-2018

348 views

Category:

Documents


0 download

TRANSCRIPT

DO NOT OPEN THIS TEST BOOKLET UNTIL YOUARE TOLD TO DO SO

TRC SKP-D-CVL Test Booklet Series

Serial No TEST BOOKLET CIVIL ENGINEERING

Time Allowed Three Hours Maximum Marks 300 _wJ -===

INSTRUCTIONS

1 IMMEDIATELY AFTER THE COMMENCEMENT OF THE EXAMINATION YOU SHOULD CHECK THAT THIS TEST BOOKLET DOES NOT HAVE ANY UNPRINTED OR TORN OR MISSING PAGES OR ITEMS ETC IF SO GET IT REPLACED BY A COMPLETE TEST BOOKLET

2 PLEASE NOTE THATIT IS THE CANDIDATESRESPONSmILITY TO ENCODE AND FILL IN THE ROLL NUMBER AND TEST BOOKLET SERIES CODE A B C OR D CAREFULLY AND WITHOUT ANYQMISSIONORDISCREPANCY AT THE APPROPRIATE PLACES IN THE OMR ANSWER ~HE~TANY OM1$SIONIIHSCREPANCY WILL RENDER THE ANSWER SHEET LIABLE FOR REJECTION

3 You have to enter your Roll Number on the Test I

Booklet in the Box provided alongside DNOT orbl ~f((L wnte anything elseon the Test Booklet

4 This Test Booklet contains 150 items (questions) Each item comprises four responses (answers) You will select the response which you want to middotmark on the Answer Sheet In case you feel that there is more than one correct response mark he response which you consider the best In any case choose ONLY ONE response for each itelTI

5 Youhave tomark yoUr responses ONLY on theseparafe Answer Sheetprovided See directions in the Answer Sheet

6 All items carry equal marks 7 Before you proceed to mark in the Answer Sheet the response to various items in the Test Booklet

you have to fill in some particulars in the Answer Sheet as per instructions sent to you with your Admission Certificate

8 After you have completed filling in all your Jesponses on the Answer Sheet and the examination has concluded you should hand over to the Invigilator only the Answer Sheet You are permitted to take away with you the Test Booklet

9 Sheets for rough work are appended in the Test Booklet at the end 10 Penalty for wrong Answers

THEREWILL BE PENALTY FORWRONG ANSWERS MARKED BY A CANDIDATE (i) Therehrefour alternatives for the answer to every question For each question for which

a wrong answer has been given by the candidate one-thi~d (03~) of the marks assigned to that question will be deducted as penalty

(ii) If a candidate gives more thanorie answer it will be treated as )VronganslfEr even if one of the given answers happensmiddot to be correct and there will be saine penalty as above to that

(iii) is~~~~tioniS~blank ie no answer is given by the candidate there will be no penalty for that question --_

DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE TOLD TO DO SO

movement at ~Q1l~~lt itS~lck1ing load will be

(a) 100 kN

(b) 200

(c) 400kN

of

1

3 Machined

bsectilnngw~ll d~sjsle~

Which above ftatements are coneet

(a) 1 2 only 1 ~

i) 1 1 and 3 oPly 1 shyj6J

(c) 2 and 3 only ~ ~

(d) 1) 2 and 3 y

Qshy

)

~onsider the following statements for the (a) 451 kN () ~eSign of aJaced column

(b) 500 kN 1 In a bolted construction the minishy

mum width of the lacing bar shall (c) 756 kN be three times the nominal diameter of the end bolt --(d) 794 kN

2 The thickness of the flat of a single lacing system shall be not Jess than ~ ~ cantilever retaining wall the main o~~i~wctive length ~ steel reinforcementisjY0vided

3 The angle of inclination of the ~~~~E~()~filLsilt~Ln the vertical

~~n~h~a~i~~~fl~~~~-~h~1a dIrection ~ i l

(b) On both inner and outer faces 4 The Jacing shall be designed for a

transverse shear of 2middot5 of the (c) In horizontal as well as in vertical axial load on thecolutrm -----shy directions

Which of the above statements are [0 counteract shear stresses shycorrect

(a) 11 22 and 3 only Design strength for M 21 concrete in

~and4onlY direct comEression b~gding compression andflcxural ten~ion are respectively

~-- -===(~(c) 1 3 and 4 only f0

IJ +-VIgt A ~Pa ~5 MPa and 3middot5 MPa 23 and 4 f ~ fgt ()~ 25MPa 11middot15 MFa and 3 MPa ) ir

The termissible bending compressive streng1i11or ~grade of concrete is 0 MPa 12middot5 MPa and 3middot5 MPa ---shy ~

8~mm2 ~~~EpoundEl~rm jd long-term 111odularratJos are nearly 4J 25 MPa 11middot15 MPaand 2middot57 MPa

Ja) 8and 11 11 Double-pitched roof trusses of span

~) 8 and 8 ~v 20 m and rise 2middot5 m are placed at 8 m 1- 1 ~ ~-t shy J ~ 1(lt cD spacing Them~imum live load reaction

11 and 11 bat the supports is nearly I f 1 or--)lO i)~)~

(d) 11 and 6 ~ ~ (a) 36 kN 0 bull v f )p ~ (~8 The ultimate load carrying capacity of a ~ (b) 40 kN

c short circular column of 3QO mm ~ Lgt diameter with 1 helical reiftforcement (c) 46 kN

of Fe 415 graae steel and concrete of M 20 grade is nearly (d) 60 kJf

_ A~ CD dl (1) 0)I 4) C - SKP-D-CVL 1gt~~~-F---middotr--middot~r~T ) f I S) )gt1 ) j ~

found motion is

J~c~~-=--ampgt

0-025 Nm

in a soap bubble

random in nature when the inside middotctmiddot~ ~---~~

anaJysis it can Nm2 abn1reaime-spfieric dlfferent~~El~~~~~~ggh

Fourier series

(b) Nnvtons seconp law (b) 00125 Nm (7) r

(c) Duhamels integral 10-3 Nm

(d) Time series analysis x 10-3 Nm )r r

following statementsi42An RCC structure withfUndarriental time welfaretd~ period of yibrates at a forcing

~ frequency oCUtradLsec The maximum Work prompted by mere sympathy dynamic displacement X of static A and kindness may degenerate and

j displacement The of is irljlftJLilie workers ~ttns~ of

(a) 10middot1

2 Rilpid industrialization ona large(b) 28middot9 posesproblem~ in respect of

(c) 37middot7 lQur andjt$ welfare ~

(d) 50middot2 3 Construction labour is still largely unorganized and hence lacks in P A steel building has plan dimensions of welfare measures ~ cry 5~~~50 m and itj~L12fLnwallmiddot It is

Which of the above statements provided with _~rigkj1JlLpanels The

ampQIT~ct approximate fundameIital time p~rlod of the building is (a) 1 and 2 only

-

(a) 1middot53 sec (b) land 3 only

(b) 2middot72 sec 2 and 3

(c) 3middot08 sec

(d) 4middot15 sec a~r~g~Jsl~~ip The size of of the mean

(a) 5500 MPa and 2200

(b) 2000 MPa and 2200 MPa m 1(c) 5500 1000 (c) m

(d) 2000 1000 (d) III

~ ttlgt~~V flfmiddot

J ~middot

omiddot

Ie Ie Ie

~jet of water has a diameter oO3 em9 ~_~l~_QJ9J0Jlrface tension of water is) 0-072 Wm and atmospheric pressure is 10 1-2 kNjm2_ The absolute pressure wIthin the jet q[~~terWilLbe a (a) 101middot104 kNm2 ) ~

1))-shy(b) 101middot152 kNmi bPshy 9

~i _-shy~fr~248kNm2

~~1middot296 kNm2 gtS~

-shy A glass tub~oi2middot5 mm internal diameter

ismiddot-im~~(tjU__QiLQt l11gss denSIty 940kgim3 to a depth of 9~mm Ifa E~~~PI~Qf I i~2~~~ded to fonn

~~ SlJf~~QllampZi~ what is

(a) 0middot041 Nm t~ - o

2 A steady two dimensional incompresshy(9 sible flow field is represen1ed by

u = x + 3y +3 and 8

this flow field the stagnatiortpoint is

~ (32)

Y9 (-32)

1 ~ G)(c)middot (-3 -2)middot

( -r1J1gt ~~-=t)lt - ~

i If the energy present in a jet of water 1 2f 29 cm -aiameter and halng avel~ity Sj of 25rris couldbe extracted by a deVIce

wltbJD efficiency tQU9ysL~xtrrujed would be nearly

1~-~-=00512 J (a) 180 kW L1) imiddotn6 h

5Sltl

~ b~~~M~~ (d) 0middot050 Nm DtJ j - ~

~ t r1 In a rectangular open channel 2middot0mamp ~ water flows at a depth of0-8 m

If It dischar~es overan-aerat~d ~-Y crested Wltlr over thefull WIdth wtth

depth -over wejlct~g 0middot~5 m ~ idjustin1fQf velQciiyhead~ ~whaLwop-ld bethedlscharge

through the channel J2i 4middot43 units

h1

(d) 300kW )~~

in a siphon e summit s above the waterlev~1 in thetal1lltd jn which the Cpound)flow IS bemgdlscharged If the head loss from the_inletpound the slll11ll1It is 2middot5 in and

t1ie--~citYh~~~mmiti~ 0middot5 m (takLX10 appropnat~ ~lts) the

p~~~llreJlea_~~mlt lSltr lr (aJ 0-439 msec ~ ~W 1S ~O kPa r (b) 0middot445 m3sec ~ fo) -3 mof water (abs) ~J (1

~ D 1( )~) 4 ~

(c) 0middot453 m3sec ~ 5 m of water (abs) t ~ )

C)i) 18 m of water (abs) e ~ ~pound~ 2-

r bpound (d) 0middot461 m3sec

~-11gt~ v7

5 C -SKP-D~CVL l) 0 i

r 0~ (f

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

movement at ~Q1l~~lt itS~lck1ing load will be

(a) 100 kN

(b) 200

(c) 400kN

of

1

3 Machined

bsectilnngw~ll d~sjsle~

Which above ftatements are coneet

(a) 1 2 only 1 ~

i) 1 1 and 3 oPly 1 shyj6J

(c) 2 and 3 only ~ ~

(d) 1) 2 and 3 y

Qshy

)

~onsider the following statements for the (a) 451 kN () ~eSign of aJaced column

(b) 500 kN 1 In a bolted construction the minishy

mum width of the lacing bar shall (c) 756 kN be three times the nominal diameter of the end bolt --(d) 794 kN

2 The thickness of the flat of a single lacing system shall be not Jess than ~ ~ cantilever retaining wall the main o~~i~wctive length ~ steel reinforcementisjY0vided

3 The angle of inclination of the ~~~~E~()~filLsilt~Ln the vertical

~~n~h~a~i~~~fl~~~~-~h~1a dIrection ~ i l

(b) On both inner and outer faces 4 The Jacing shall be designed for a

transverse shear of 2middot5 of the (c) In horizontal as well as in vertical axial load on thecolutrm -----shy directions

Which of the above statements are [0 counteract shear stresses shycorrect

(a) 11 22 and 3 only Design strength for M 21 concrete in

~and4onlY direct comEression b~gding compression andflcxural ten~ion are respectively

~-- -===(~(c) 1 3 and 4 only f0

IJ +-VIgt A ~Pa ~5 MPa and 3middot5 MPa 23 and 4 f ~ fgt ()~ 25MPa 11middot15 MFa and 3 MPa ) ir

The termissible bending compressive streng1i11or ~grade of concrete is 0 MPa 12middot5 MPa and 3middot5 MPa ---shy ~

8~mm2 ~~~EpoundEl~rm jd long-term 111odularratJos are nearly 4J 25 MPa 11middot15 MPaand 2middot57 MPa

Ja) 8and 11 11 Double-pitched roof trusses of span

~) 8 and 8 ~v 20 m and rise 2middot5 m are placed at 8 m 1- 1 ~ ~-t shy J ~ 1(lt cD spacing Them~imum live load reaction

11 and 11 bat the supports is nearly I f 1 or--)lO i)~)~

(d) 11 and 6 ~ ~ (a) 36 kN 0 bull v f )p ~ (~8 The ultimate load carrying capacity of a ~ (b) 40 kN

c short circular column of 3QO mm ~ Lgt diameter with 1 helical reiftforcement (c) 46 kN

of Fe 415 graae steel and concrete of M 20 grade is nearly (d) 60 kJf

_ A~ CD dl (1) 0)I 4) C - SKP-D-CVL 1gt~~~-F---middotr--middot~r~T ) f I S) )gt1 ) j ~

found motion is

J~c~~-=--ampgt

0-025 Nm

in a soap bubble

random in nature when the inside middotctmiddot~ ~---~~

anaJysis it can Nm2 abn1reaime-spfieric dlfferent~~El~~~~~~ggh

Fourier series

(b) Nnvtons seconp law (b) 00125 Nm (7) r

(c) Duhamels integral 10-3 Nm

(d) Time series analysis x 10-3 Nm )r r

following statementsi42An RCC structure withfUndarriental time welfaretd~ period of yibrates at a forcing

~ frequency oCUtradLsec The maximum Work prompted by mere sympathy dynamic displacement X of static A and kindness may degenerate and

j displacement The of is irljlftJLilie workers ~ttns~ of

(a) 10middot1

2 Rilpid industrialization ona large(b) 28middot9 posesproblem~ in respect of

(c) 37middot7 lQur andjt$ welfare ~

(d) 50middot2 3 Construction labour is still largely unorganized and hence lacks in P A steel building has plan dimensions of welfare measures ~ cry 5~~~50 m and itj~L12fLnwallmiddot It is

Which of the above statements provided with _~rigkj1JlLpanels The

ampQIT~ct approximate fundameIital time p~rlod of the building is (a) 1 and 2 only

-

(a) 1middot53 sec (b) land 3 only

(b) 2middot72 sec 2 and 3

(c) 3middot08 sec

(d) 4middot15 sec a~r~g~Jsl~~ip The size of of the mean

(a) 5500 MPa and 2200

(b) 2000 MPa and 2200 MPa m 1(c) 5500 1000 (c) m

(d) 2000 1000 (d) III

~ ttlgt~~V flfmiddot

J ~middot

omiddot

Ie Ie Ie

~jet of water has a diameter oO3 em9 ~_~l~_QJ9J0Jlrface tension of water is) 0-072 Wm and atmospheric pressure is 10 1-2 kNjm2_ The absolute pressure wIthin the jet q[~~terWilLbe a (a) 101middot104 kNm2 ) ~

1))-shy(b) 101middot152 kNmi bPshy 9

~i _-shy~fr~248kNm2

~~1middot296 kNm2 gtS~

-shy A glass tub~oi2middot5 mm internal diameter

ismiddot-im~~(tjU__QiLQt l11gss denSIty 940kgim3 to a depth of 9~mm Ifa E~~~PI~Qf I i~2~~~ded to fonn

~~ SlJf~~QllampZi~ what is

(a) 0middot041 Nm t~ - o

2 A steady two dimensional incompresshy(9 sible flow field is represen1ed by

u = x + 3y +3 and 8

this flow field the stagnatiortpoint is

~ (32)

Y9 (-32)

1 ~ G)(c)middot (-3 -2)middot

( -r1J1gt ~~-=t)lt - ~

i If the energy present in a jet of water 1 2f 29 cm -aiameter and halng avel~ity Sj of 25rris couldbe extracted by a deVIce

wltbJD efficiency tQU9ysL~xtrrujed would be nearly

1~-~-=00512 J (a) 180 kW L1) imiddotn6 h

5Sltl

~ b~~~M~~ (d) 0middot050 Nm DtJ j - ~

~ t r1 In a rectangular open channel 2middot0mamp ~ water flows at a depth of0-8 m

If It dischar~es overan-aerat~d ~-Y crested Wltlr over thefull WIdth wtth

depth -over wejlct~g 0middot~5 m ~ idjustin1fQf velQciiyhead~ ~whaLwop-ld bethedlscharge

through the channel J2i 4middot43 units

h1

(d) 300kW )~~

in a siphon e summit s above the waterlev~1 in thetal1lltd jn which the Cpound)flow IS bemgdlscharged If the head loss from the_inletpound the slll11ll1It is 2middot5 in and

t1ie--~citYh~~~mmiti~ 0middot5 m (takLX10 appropnat~ ~lts) the

p~~~llreJlea_~~mlt lSltr lr (aJ 0-439 msec ~ ~W 1S ~O kPa r (b) 0middot445 m3sec ~ fo) -3 mof water (abs) ~J (1

~ D 1( )~) 4 ~

(c) 0middot453 m3sec ~ 5 m of water (abs) t ~ )

C)i) 18 m of water (abs) e ~ ~pound~ 2-

r bpound (d) 0middot461 m3sec

~-11gt~ v7

5 C -SKP-D~CVL l) 0 i

r 0~ (f

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

~onsider the following statements for the (a) 451 kN () ~eSign of aJaced column

(b) 500 kN 1 In a bolted construction the minishy

mum width of the lacing bar shall (c) 756 kN be three times the nominal diameter of the end bolt --(d) 794 kN

2 The thickness of the flat of a single lacing system shall be not Jess than ~ ~ cantilever retaining wall the main o~~i~wctive length ~ steel reinforcementisjY0vided

3 The angle of inclination of the ~~~~E~()~filLsilt~Ln the vertical

~~n~h~a~i~~~fl~~~~-~h~1a dIrection ~ i l

(b) On both inner and outer faces 4 The Jacing shall be designed for a

transverse shear of 2middot5 of the (c) In horizontal as well as in vertical axial load on thecolutrm -----shy directions

Which of the above statements are [0 counteract shear stresses shycorrect

(a) 11 22 and 3 only Design strength for M 21 concrete in

~and4onlY direct comEression b~gding compression andflcxural ten~ion are respectively

~-- -===(~(c) 1 3 and 4 only f0

IJ +-VIgt A ~Pa ~5 MPa and 3middot5 MPa 23 and 4 f ~ fgt ()~ 25MPa 11middot15 MFa and 3 MPa ) ir

The termissible bending compressive streng1i11or ~grade of concrete is 0 MPa 12middot5 MPa and 3middot5 MPa ---shy ~

8~mm2 ~~~EpoundEl~rm jd long-term 111odularratJos are nearly 4J 25 MPa 11middot15 MPaand 2middot57 MPa

Ja) 8and 11 11 Double-pitched roof trusses of span

~) 8 and 8 ~v 20 m and rise 2middot5 m are placed at 8 m 1- 1 ~ ~-t shy J ~ 1(lt cD spacing Them~imum live load reaction

11 and 11 bat the supports is nearly I f 1 or--)lO i)~)~

(d) 11 and 6 ~ ~ (a) 36 kN 0 bull v f )p ~ (~8 The ultimate load carrying capacity of a ~ (b) 40 kN

c short circular column of 3QO mm ~ Lgt diameter with 1 helical reiftforcement (c) 46 kN

of Fe 415 graae steel and concrete of M 20 grade is nearly (d) 60 kJf

_ A~ CD dl (1) 0)I 4) C - SKP-D-CVL 1gt~~~-F---middotr--middot~r~T ) f I S) )gt1 ) j ~

found motion is

J~c~~-=--ampgt

0-025 Nm

in a soap bubble

random in nature when the inside middotctmiddot~ ~---~~

anaJysis it can Nm2 abn1reaime-spfieric dlfferent~~El~~~~~~ggh

Fourier series

(b) Nnvtons seconp law (b) 00125 Nm (7) r

(c) Duhamels integral 10-3 Nm

(d) Time series analysis x 10-3 Nm )r r

following statementsi42An RCC structure withfUndarriental time welfaretd~ period of yibrates at a forcing

~ frequency oCUtradLsec The maximum Work prompted by mere sympathy dynamic displacement X of static A and kindness may degenerate and

j displacement The of is irljlftJLilie workers ~ttns~ of

(a) 10middot1

2 Rilpid industrialization ona large(b) 28middot9 posesproblem~ in respect of

(c) 37middot7 lQur andjt$ welfare ~

(d) 50middot2 3 Construction labour is still largely unorganized and hence lacks in P A steel building has plan dimensions of welfare measures ~ cry 5~~~50 m and itj~L12fLnwallmiddot It is

Which of the above statements provided with _~rigkj1JlLpanels The

ampQIT~ct approximate fundameIital time p~rlod of the building is (a) 1 and 2 only

-

(a) 1middot53 sec (b) land 3 only

(b) 2middot72 sec 2 and 3

(c) 3middot08 sec

(d) 4middot15 sec a~r~g~Jsl~~ip The size of of the mean

(a) 5500 MPa and 2200

(b) 2000 MPa and 2200 MPa m 1(c) 5500 1000 (c) m

(d) 2000 1000 (d) III

~ ttlgt~~V flfmiddot

J ~middot

omiddot

Ie Ie Ie

~jet of water has a diameter oO3 em9 ~_~l~_QJ9J0Jlrface tension of water is) 0-072 Wm and atmospheric pressure is 10 1-2 kNjm2_ The absolute pressure wIthin the jet q[~~terWilLbe a (a) 101middot104 kNm2 ) ~

1))-shy(b) 101middot152 kNmi bPshy 9

~i _-shy~fr~248kNm2

~~1middot296 kNm2 gtS~

-shy A glass tub~oi2middot5 mm internal diameter

ismiddot-im~~(tjU__QiLQt l11gss denSIty 940kgim3 to a depth of 9~mm Ifa E~~~PI~Qf I i~2~~~ded to fonn

~~ SlJf~~QllampZi~ what is

(a) 0middot041 Nm t~ - o

2 A steady two dimensional incompresshy(9 sible flow field is represen1ed by

u = x + 3y +3 and 8

this flow field the stagnatiortpoint is

~ (32)

Y9 (-32)

1 ~ G)(c)middot (-3 -2)middot

( -r1J1gt ~~-=t)lt - ~

i If the energy present in a jet of water 1 2f 29 cm -aiameter and halng avel~ity Sj of 25rris couldbe extracted by a deVIce

wltbJD efficiency tQU9ysL~xtrrujed would be nearly

1~-~-=00512 J (a) 180 kW L1) imiddotn6 h

5Sltl

~ b~~~M~~ (d) 0middot050 Nm DtJ j - ~

~ t r1 In a rectangular open channel 2middot0mamp ~ water flows at a depth of0-8 m

If It dischar~es overan-aerat~d ~-Y crested Wltlr over thefull WIdth wtth

depth -over wejlct~g 0middot~5 m ~ idjustin1fQf velQciiyhead~ ~whaLwop-ld bethedlscharge

through the channel J2i 4middot43 units

h1

(d) 300kW )~~

in a siphon e summit s above the waterlev~1 in thetal1lltd jn which the Cpound)flow IS bemgdlscharged If the head loss from the_inletpound the slll11ll1It is 2middot5 in and

t1ie--~citYh~~~mmiti~ 0middot5 m (takLX10 appropnat~ ~lts) the

p~~~llreJlea_~~mlt lSltr lr (aJ 0-439 msec ~ ~W 1S ~O kPa r (b) 0middot445 m3sec ~ fo) -3 mof water (abs) ~J (1

~ D 1( )~) 4 ~

(c) 0middot453 m3sec ~ 5 m of water (abs) t ~ )

C)i) 18 m of water (abs) e ~ ~pound~ 2-

r bpound (d) 0middot461 m3sec

~-11gt~ v7

5 C -SKP-D~CVL l) 0 i

r 0~ (f

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

found motion is

J~c~~-=--ampgt

0-025 Nm

in a soap bubble

random in nature when the inside middotctmiddot~ ~---~~

anaJysis it can Nm2 abn1reaime-spfieric dlfferent~~El~~~~~~ggh

Fourier series

(b) Nnvtons seconp law (b) 00125 Nm (7) r

(c) Duhamels integral 10-3 Nm

(d) Time series analysis x 10-3 Nm )r r

following statementsi42An RCC structure withfUndarriental time welfaretd~ period of yibrates at a forcing

~ frequency oCUtradLsec The maximum Work prompted by mere sympathy dynamic displacement X of static A and kindness may degenerate and

j displacement The of is irljlftJLilie workers ~ttns~ of

(a) 10middot1

2 Rilpid industrialization ona large(b) 28middot9 posesproblem~ in respect of

(c) 37middot7 lQur andjt$ welfare ~

(d) 50middot2 3 Construction labour is still largely unorganized and hence lacks in P A steel building has plan dimensions of welfare measures ~ cry 5~~~50 m and itj~L12fLnwallmiddot It is

Which of the above statements provided with _~rigkj1JlLpanels The

ampQIT~ct approximate fundameIital time p~rlod of the building is (a) 1 and 2 only

-

(a) 1middot53 sec (b) land 3 only

(b) 2middot72 sec 2 and 3

(c) 3middot08 sec

(d) 4middot15 sec a~r~g~Jsl~~ip The size of of the mean

(a) 5500 MPa and 2200

(b) 2000 MPa and 2200 MPa m 1(c) 5500 1000 (c) m

(d) 2000 1000 (d) III

~ ttlgt~~V flfmiddot

J ~middot

omiddot

Ie Ie Ie

~jet of water has a diameter oO3 em9 ~_~l~_QJ9J0Jlrface tension of water is) 0-072 Wm and atmospheric pressure is 10 1-2 kNjm2_ The absolute pressure wIthin the jet q[~~terWilLbe a (a) 101middot104 kNm2 ) ~

1))-shy(b) 101middot152 kNmi bPshy 9

~i _-shy~fr~248kNm2

~~1middot296 kNm2 gtS~

-shy A glass tub~oi2middot5 mm internal diameter

ismiddot-im~~(tjU__QiLQt l11gss denSIty 940kgim3 to a depth of 9~mm Ifa E~~~PI~Qf I i~2~~~ded to fonn

~~ SlJf~~QllampZi~ what is

(a) 0middot041 Nm t~ - o

2 A steady two dimensional incompresshy(9 sible flow field is represen1ed by

u = x + 3y +3 and 8

this flow field the stagnatiortpoint is

~ (32)

Y9 (-32)

1 ~ G)(c)middot (-3 -2)middot

( -r1J1gt ~~-=t)lt - ~

i If the energy present in a jet of water 1 2f 29 cm -aiameter and halng avel~ity Sj of 25rris couldbe extracted by a deVIce

wltbJD efficiency tQU9ysL~xtrrujed would be nearly

1~-~-=00512 J (a) 180 kW L1) imiddotn6 h

5Sltl

~ b~~~M~~ (d) 0middot050 Nm DtJ j - ~

~ t r1 In a rectangular open channel 2middot0mamp ~ water flows at a depth of0-8 m

If It dischar~es overan-aerat~d ~-Y crested Wltlr over thefull WIdth wtth

depth -over wejlct~g 0middot~5 m ~ idjustin1fQf velQciiyhead~ ~whaLwop-ld bethedlscharge

through the channel J2i 4middot43 units

h1

(d) 300kW )~~

in a siphon e summit s above the waterlev~1 in thetal1lltd jn which the Cpound)flow IS bemgdlscharged If the head loss from the_inletpound the slll11ll1It is 2middot5 in and

t1ie--~citYh~~~mmiti~ 0middot5 m (takLX10 appropnat~ ~lts) the

p~~~llreJlea_~~mlt lSltr lr (aJ 0-439 msec ~ ~W 1S ~O kPa r (b) 0middot445 m3sec ~ fo) -3 mof water (abs) ~J (1

~ D 1( )~) 4 ~

(c) 0middot453 m3sec ~ 5 m of water (abs) t ~ )

C)i) 18 m of water (abs) e ~ ~pound~ 2-

r bpound (d) 0middot461 m3sec

~-11gt~ v7

5 C -SKP-D~CVL l) 0 i

r 0~ (f

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

Ie Ie Ie

~jet of water has a diameter oO3 em9 ~_~l~_QJ9J0Jlrface tension of water is) 0-072 Wm and atmospheric pressure is 10 1-2 kNjm2_ The absolute pressure wIthin the jet q[~~terWilLbe a (a) 101middot104 kNm2 ) ~

1))-shy(b) 101middot152 kNmi bPshy 9

~i _-shy~fr~248kNm2

~~1middot296 kNm2 gtS~

-shy A glass tub~oi2middot5 mm internal diameter

ismiddot-im~~(tjU__QiLQt l11gss denSIty 940kgim3 to a depth of 9~mm Ifa E~~~PI~Qf I i~2~~~ded to fonn

~~ SlJf~~QllampZi~ what is

(a) 0middot041 Nm t~ - o

2 A steady two dimensional incompresshy(9 sible flow field is represen1ed by

u = x + 3y +3 and 8

this flow field the stagnatiortpoint is

~ (32)

Y9 (-32)

1 ~ G)(c)middot (-3 -2)middot

( -r1J1gt ~~-=t)lt - ~

i If the energy present in a jet of water 1 2f 29 cm -aiameter and halng avel~ity Sj of 25rris couldbe extracted by a deVIce

wltbJD efficiency tQU9ysL~xtrrujed would be nearly

1~-~-=00512 J (a) 180 kW L1) imiddotn6 h

5Sltl

~ b~~~M~~ (d) 0middot050 Nm DtJ j - ~

~ t r1 In a rectangular open channel 2middot0mamp ~ water flows at a depth of0-8 m

If It dischar~es overan-aerat~d ~-Y crested Wltlr over thefull WIdth wtth

depth -over wejlct~g 0middot~5 m ~ idjustin1fQf velQciiyhead~ ~whaLwop-ld bethedlscharge

through the channel J2i 4middot43 units

h1

(d) 300kW )~~

in a siphon e summit s above the waterlev~1 in thetal1lltd jn which the Cpound)flow IS bemgdlscharged If the head loss from the_inletpound the slll11ll1It is 2middot5 in and

t1ie--~citYh~~~mmiti~ 0middot5 m (takLX10 appropnat~ ~lts) the

p~~~llreJlea_~~mlt lSltr lr (aJ 0-439 msec ~ ~W 1S ~O kPa r (b) 0middot445 m3sec ~ fo) -3 mof water (abs) ~J (1

~ D 1( )~) 4 ~

(c) 0middot453 m3sec ~ 5 m of water (abs) t ~ )

C)i) 18 m of water (abs) e ~ ~pound~ 2-

r bpound (d) 0middot461 m3sec

~-11gt~ v7

5 C -SKP-D~CVL l) 0 i

r 0~ (f

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

The stream function QL~et yyi1h horizontal axis is

(a) P r 2n

(0) sine 2n

(b) 2middot75 m (e) 2middot60 m I (d) 2middot50 m

27 A transmitter antenna i$ofJLYertiQal pipe 20 em diameter and f5 mheight on toP ofatall structure It is sUbjycted to _~~(speed-Of~2cQiiil[~D~~ity of air is 1middot27kgm3 its viscosity is 1middot8 x--~g~~ Nslm2bull D~ag c(l~fft(i~nL(lLa (tall) circular cylinder is tabulated as

1-0 0-89 0-26

What is the drag experienced

(a) 737

(b) 700 N

(0) 670 N

(d) N

A smooth flat plate with a sharp leading placed along_ free stream of

~~~--~ -----~ ~

water flowing at 2middot5 msec At what distance from theTeaillngedge will the boundary layer transition from laminar to turbulent flow Take density of water ~lQQQ~=~~-13 aiHTTis- viSCOSIty as

tcehtipoiseAlso what will be the QQundary layer--thick~at-ti1at ralstancemiddotmiddotrmiddotmiddotmiddotmiddotmiddot---~-middot~middotmiddot~-----middotmiddotmiddotmiddotmiddot-middotmiddot

~~) 12middot8 em and 0middot113 em bull

(bJ 14middot2 em and 0middot113 em

~~~ ~

(b)

(c)

(d)

and O2 ~are the laminar boundary thiQJqicentsses~atipoirtrM disfahl ~middotl1releadingmiddotmiddotedge when the

number of the flow are 100 bull lt __shy

respectively then the ratio

4middot84

middot43

45middot45

-c 6

()

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

r h ich middotoneof the following tatemenmiddotV ltt~~sider the following statements f related to testing ~~r for municipal middotr ~~~arding anchorage oJ pipelines con-

~~21Tectly ~rpplicable veying water --~

(a) Pseudo-hardness is due to presence L At bel1ds pipes tend to pull apart - ~uoride in watermiddot ]gtltJ 2 At bends forces exertedmiddotmiddot on the

~ Whenalkalinity~ jotalharqness joints due to longitudinal shearing ~- - shyCarbonate hardnesirin mgll= Total stresses are ynormQus and the joi~$-~ hardness in mgl ))p may get loosened ~ )

(c) Bicarbonate alkalinity total alkali- 3 To avoid problems by hydrodyrtamic nity _ (carbonate ~lkalinity _ effects pipes ~re anc~ored using hydroxide alkalinity) concrete blocJlts whichabsDrb side

oJ thrusts at bends ~ Cd) Hydfoxidealkalinity = Carbonate 4 Pipes are also anchored on sJeep

alinity + Bicarbonate alkalinity slopes shyWhich of the above statements are The capacity of a ~srviQe reservoir in a

correct Q- c~llpound~sh9lld catei to ---T~j ~~2 and 3 only

(a) Sum total ofmiddotbillfnpoundingsJorage breakdown storage andmiddot fire reserve t ~2 and 4 only

(c)middotI 3 and 4 only (b) S-t~~16fb~~iQL~1Q~~e ari~ middot~1 2 3 and 4 fire reserve

Y)Sum total of breakdown storage and bullbullbull Consider the fmiddot1l0wings~te~ents with - fire reserve --_ if blOenergy a r~ewableV ~reference to as

Balancing storage pnly ~nergy sourcy

1 Plants ensure continuous supply ofh

3 Consider the following slatementsregard bull gas due to their continuous growth mg groundwater polluJaItts 2 Cost of obtainingmiddot energy from

1 Most of the ground waters are r bfogas i~4tssthan that from fossil generally non-alkaline 1 fuels ~

~---=----=-~

2 A moderateamount of fluoriie ttrofslii9gem~y produce about Q6trigllJo fS mgZ in zS an hich are injurious

drinking wa~)V6tjd help in good to humanea th y development~f

~ ~-- t~th

~

4 Flo~ting dOI1c insf411ation is tpe

i _ - bull ~ J- bull

prefelted option as it ~upplies gas3 Natural waters dor-not have at constant pressure iTespective of ~~~lt1y~ mineral inaller in thema W~1iity orgas prodlLregd

Which of the above statements islare ---~-~~~ Which of the above statementsmiddot are

correct correct c------

(a) 1 only (a) 1 2 and 3 only

li ~(o)2 only ~ ~ and 4 only (c) 3 onlY (c) 2 3 and 4 only

v

(d) 1 2 and 3 (d) 1 3 and 4 only

7middot C - SKP-D-CVL

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

j6 Consider the following statemynts - regarding waste staqilization ponds

1 The pOhd has a symbiotiltJiro~~s of waste stabilization through algae on one hand and bacteria ~n the other ~

2 Tne oxygen in the pond is provided by algae tluoughllhotoSYhlhcigtlS ~

3 The detention period is of the order of two to three days )ltJ

4 The bacteria which develop in the pond are aerobic bacteria P

Which of the abbve statements are concct

~d20nlY (b) 2 and 3 only

(c) 3 and 4 only

~ 1 and 4 only

uJ Th~ pUlPo~e of J~-c~rbonatiol after water softenmgpy thlt) llllle-sectmlioLProcess

is the

(a) Removal of excess soda from the water

(b) Removal of non-carbonate hardness in the water

(c) Recovery of lime from the water

~ver~ion of precipitates to soluble forms In the water

8 EnVirll~~lltaLflow of a ~~~__ref~s ~_ to~middotthe ~~ glian5--ana~Jiilliruofh the flow

(a) Required in the river to sustajn the

y erecosy~tem

Required to mail1tain healthy eeoshy logical conditions in the command

(c) Generated by the ecosystem of the catchment oftl~e river 1

(d) As the minimum requirement to support the cultural practices of the comtnunity living on the banks of

Z tho river ~

O~nic~S~d ~~~poundaf~J~~~ OQIDP_Osl1J0JlNillbeshy

__bull ~~_~_~~_~ulaquomiddotu

~

Food waste Paper Yard waste Others

(a) 100

(Jraquo 63

4 ~7middot13

Wet Dry oq weight weight

10 03 35 30 gt

20 lD i )t )J 20

Consider the following statements

i1 When a soil sample is dried beyond itssluinkage limit the volume of the soil slowly deyreases )lt3

Plastic limit is always lower than liquid limit for any type of soil 1

At the liquid limit the soil behaves like a liquid and possesses no shear

strength at all 1

iltmiddot ~

4~en subjected to drying the volume (gtf~he soil remains un~~~mged once th~watercontent of the soil goes

middotbe6w itsshrinkage limit

Which of the above statements are correct

1 and 3 only

)1) 1 and 4 only

(c) 2 and 3 only

area of a river dyvelopmentJroject and 4 only

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

ltnsider the fol1owing statements in ~ How many cubic metres oj soil~vip~~amp bet ~~pect of the tropospheDi ratIO of 0middot7 can made from 30m3 of soil with void ratio of L2

~ shy1 111egaseoll~content constantly churns by turbulence~nd mixing ~ jJtY 36()m3 1lP

V- - -~ ~ ) 3O -0 rri3 j $ k- middot~+o _L~ Q) bull ltJ-2 Itsbehaviour 1l1akes the weather f~ 1 1

3 Th~ ultimate energy source for k) 25middot9m V lt) ~)( ltshy

producing any weather cJlange is the sun -- 4~3sn3

3

sEecimen is~th~~ a 4 The height of the ~oposph~re is- (fmiddot~iXIal test The cell preSsure IS 50 kPa lf

ri~a~ly ~t th~equaIDrial belt and themiddot deviillor_Jtress at failure is anciis jjqn ill th POlys (9 100 kPa Theng~ of internal friction

Which of these are true of the ~-~~ sand specimen is i-ltljgt tropos ere

A sand sample lias and What

1 2 and 3 only c

(d)

bull The

A ~~ L~-J ~ 1 2 and 4 only (c) 45 d---ltt

55deg (~ n ~T) i1 3 and 4 only ) V ~~ I Go V

2 3 and 4 only theory of consoliciatiOJjpr~dicts V rvl ~ettlement due to primary consolidation amp ~ I

a porosity oflQ ~t ~a~~ot mcl~de ~ttl~ment JiusL to plusmn- sQecific gravity of solids as 2middot6 T mItI~L99mp-r~poundSlon nor due t()~~cQJ)~ary ~Ai

isitsdegtee middotof middotsa1llicin at con~~~~~ation Thislt bappens because~f cyI()~

~iSOconient of 4-94 ~0-L ~~~~r~~tJi~~PI~~-_Ql4un ~ VI e 1 Soil grains and water are in-(f fl-

(b) 35 -( compresslble~ CQ1 ]ISyt~ vc y

~ e ty ~Wi~~ ~3- 2 Soilis fully atu~ated~ J f - 11~ ~~ fgt

(d) 25 J ~fI r e3 Compression tak~splace in the ~7 (V~ -J --7 vertical directiononl~ j

copyrw~LYilL9~~Hnit weight of a fully b Y 4 Tinte lag~nCOnSlida~io ~ is ~~tiJely~ i

fr ~ ~ - _Sallll~aYlng wa~er e du~ to lo perrnea~)1hty of sOlI V 1 ~ v corttenf JSZO and wal1sQeclfic graVIty _(~- ~1----- - WhICh of the above statements are ~~ ) of 2middot65

Vj II

middot1 correctJ b i middot1 (a) 19middot88 kNIn13 ) t1-~ ltl ( ~~t foUil iand 3 ~nly middottlti- j

11788 kNm3 r1f ~ ~1 2 d 4 I Q 1ltti) 1

~ A an on y cA gti[ f~

(c) 16middot52 kNm3 1 J1Y 3 and 4 only I)~ I (d) 1465 kNm3 - Cd) t 2 3 and 4 i)lbl

I VI ~~ 9 ~ 11 C SKP n CVL ~ ~- le 8

85 - ~ - raquo1

11

lt1))-pound ~7 ---e etmiddot) ttt) e Io)l 11) y ~ i ~ Il ~ Cj 110) ~ 1 1 1J~e I)

~~ J

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

~

1 Secondary corlSOJlaaHOlCln~$U1ts

to P1olQ1Jzsltd ~~~lR~~~~ hydrostatic

2 ~xrmIsion of both from voids in early stages

1

3 Initial consolidation iI1 of fully saturated soils is to compression of s6lip particles )(i

4 Primary consolidati9n middoth~ppe~smore quickly in c(jarse~grained soils than in fine-grajt~~~soils

yhich of the ab0v~ statements correct--

are

Ca) 1 and 2 only

19~ 2 arid 3 oIlly 1

J 3 and 4 only j land 4 only

Consider the following statements with regard to Soil Testing

shy1 The origin andJ-1orearf1at~~ same

point in a Mohrs circle ~

2 The ~hear stre~s js~mIDfil]1um on the failure plane

c_

3 Mohrs circle drawn with data from an unconfined comples~ioatest

passes t~rough the origin ~

4 Maxirnum shearsttessoc~mrs ana plane inclined at 15ampJQ tlw Pampinci~al

WhiCH of the above statements are correct

~ 1 and 2- only

(b) 2 and 3 only)

ft3 and 4 only )

j41 1 and 4 only I

y~

yielded a ~imum dry unit M _----

of 18 kNm3 at a moisture ----shy ~~~~---~ 0(16middot during amiddot Standard

~ Proctor Test What is the d~~e of saturation of the soil if its snecific ~~ -~_~~-~~n~_ bullbull _~_ ~~-~~gt~-~--

Ji~ytY~is21iD

9842o~ i)1A Q ( ~11)v ~

i 0 ke

8432 Ie e l-d

7571 lt6 ~ i

nsigf the following (issumptions ard1n~ ~bsCNed~e]he0t

-

There is equiliqfium of every element within the soil mass Qflbe material

There is equilibrium of the whole __tlJt~~~il __lt1

Backfill is wet cohesive and ideally elastic

The wall surface is rough~A

of the above assumptions are

and 4 only k~

and 3 only () and 4- onlyu(

ml (d) 12-4 m)

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

c

n

~~ 1

~middotiiYl~1)

-) 1) d I (a) 12 and 3 only

3 Consl er the fo lowmg statements ~Vc (b) 1 2 and 4 only1 In a reinforced concrete member ~ ~L

subjected to flexure th~ externally ~~ (c) I 3 and 4 only

f~~middot~~~~~o~s~~e~~~fa~ z~~2 3 and 4 only~ congJ~teandtheiLIDagnitudes ary bull A temporary bench ark _has been

~=~middot~r-i~t~tQ~1lPJ21iedrti6lTIent while the Jfl esablished atthe soffit ofa chejja on a YSLal1L9f the internal couIlleo wmdow opemng and ItS known elevashymaiIsect_poundsm~staI1t tion is 102middot405 rn above mean sea leveL

a prestressed concrete member ) The back sight sed to establish the the external moment is resisted by ~eight of the instrument is by an inverted an internal cou~lebut ~t is tIle l~vei staff reading of 1middot80 m A1Qresight artr1~that phlinges with t~e loll-ding ( ~~ading w~thJhe same staff held

con~iitions aqd the stress in steel tv normanyls )215 m on a recently rellains practically constant ~t ) ~s~ct~gphnth ~eleilltLOnoLthe

f )1) plmth IS J~hich of the above statements isar~ ~ 1- ll)~

ro e tmiddotmiddot IC~ Ji) 95-42 m OD ~_ I)JIy tt lt6~~9

(a) 1 only tl_ (iJIgt f- - 99middot 39 m OD ~-

()1 (b) 2 onlY~gtyf1 ~ ~) 102middot42 m OD~ )() () 1 [ 4(P~ 1 ~o~ 1 and 2 ( ~f lll 10599 m OD bull ~~ (d) eIther 1 nor ) ~ 56 ~ tranSltiO~ curve IS to be pr~(Ml

m

r a k bull ~l circular rallw~y curve of~ ~ ConsIder the fonowm~ ~ta~ements WIth f) the gauge bem~ 12 m -v~tli

regaJQt~ GI~b~l PosltIOmng Systems t~f~ mum superelevatI()1~e~~~ted ~ cm (GPst ~ Whatis the length of the tran tiorr ClJlve

1 The position of an object can be ~Q il ~llal~jDg thy centrifugal forc~

exactly determined by a single 1 (a) 72middot3 m lf t satellite 0 ) (b) 78middot1 m ~d rv

2 The position ofthe observtr (moving ( yen f( Y person or vehicle) on gto~l1d is (c) 842m e detelmined by an orbiting satellite (d) 88middot3 m

it e d f

middot )IlL) ~It t)lt--Y e ltgt

0-i~ i 7what is the Bussinesqs vertical str~ ~)lf-t 3 Atomic clocks are fixed in satellites(frmiddot ~~POiqL~mdireCtIYbel0W a concenshy 4K to cattmlat~the po~itioning of the

trated load of 2000 kN applied at the lt satellite to iiiil in determining travel ground surface times_------shy

~) (a) 53middot1 kNm2 4 Absolute positioning where accuracy of 1 cm to 5 cmmiddotiisrteeded depends

$265 kNm2

upon the health of the satellite (c) 11middot8 kNm2 ~t

1rt Which of the ahove statements are (d) 8middot8 kNm2 ~ correct

11 C - SKP-D-CVL

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

1 Resilient Modulus of bituminous

layers r Horizontal tensile strain at the bottom of bituminous 1

2 Remote Sensing from is done Mix design of bitumen--~i by s~t71Iites_

4 Vertical subgrade ~ 3 Remote Sensing has 110 apiJlication

in Earthquake predittion(()ltl -Which of the above statements are ccmect

Which of the above ~ statements are rCgtfT 1 2 and 4 only

foilowirig types of

manufacturing of

Ie of dyoiljs coated with a mass

~cc of water The Earaffin is

off and its mass~~-fo~najobe t4st-~J]9Qffi~giti~-fi~ s0119S

and _29 respec~ the voids rftiTo of soil is nearly

~~~~~~__~

(a) 1 2 only

(b) 1 and 3 only ( (c) 2 and 3 only

~~~~il1ynUll~on on a road is

1 Directly proportional to the square of vehicle velocity ~

2 Inversely proportional to the radius ofthe horizontal curve Vf

3 Directly proportional to the square of the radius of the horizontal curve

H~

Whiph of the above1jatemel1ts are correct ~

~ -

and 2 only Y f

(b) 1 and 3 only

(c) 2 and 3 only

(d) 12 and 3

1) j and 4

1 2 and 3 only

3 and 4 only

ieh one of the is used in the and f1ono fSIils ------

Cast steel

yer of paraffin and has a g It displaced

iimmersed in it

ffin are 2middot65

_~_~__ bull H__ bullbull_

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

IllS 6 bull Marshalling yard in railway system provides facilities for

he (a) Maintenance of rollingitbck

(b) Safe movements of passengers and coaches r

I (c) Receiving breaking up re-forming re and dispatchingonwards-oftrains

~Receiving loading unloading and delivery of goods aJd ve4i61es f)nd cheduling their furth~r functioning ~ ---~ ~-- shy

Composite Sleeper _ Iudex is relevant6 ______lts____

in detennining -----------shy~ Required and adoptable sleeper

~--

densityI

2 Durability of sleeper units

3 Mechanical strength of the stock of wooden sleepets~

Which of the~bove statements islare con-ect

(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 only

approach(5) roads at an interse~ti0l1aere~Eectively - 500pcuh and 300 pcuh The con-esshy

pondingsaturation flow isL~O(fpcuh ltn each road The total ~st time per si~~l~~~ltY~1~Elltts The optimum cycle time by Websters method is

----- rII lt11lt

(a) 72middot5 s

~580$

(c) 48middot0 s

(d) 19middot3 s

~ In ltthe otfshore r~~ at a particular ~ harbour faci~ oscillatory wave train l) approaches WIth wavelength of 80 m

where the mean sea depth is 3Cim What would be the velocity ofthe individual waves

(a) 17middot15ms

(b) 16middot05 mls

(c) 15middot15 m~

(d) 14middot05 mls

(E)FQr proper planning of harbours oscillashy tory wavesin~ the rel~vant off-shore

region must be taken into acco~tIf the sea-depth is 30m and anoscillatbry

waves train is observed to have wavelength of 50 tn what would be the velocity of the individual waves

(a) 9middot43 mls

(b) 9middot21 mls

Cc) 9middot08 mls

(d) gmiddot83 mls

Imiddot ~_- -r1

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

Each of the items consists of two statements onelabt7l1ed as

I

Statement (1) and the othergtl$~Statement (II) Examine these two statemcnts carefully and select the answers to these items using the codes given below

Codes

(a) Both Statement (I) and Statement(m are individually true and Stateshyment (II) is the yen9rrect SlXplanation of Statement (I)

(b) Both Statement (I) and statement (II) are individually true but State~ ment (II) is ~T trw correct explashynation of Statement (1)

-1

(d) Statement (I) is true but Statement (II) is falsr

(d) Statement (1) is false but Statem~nt

(II) is true~

~Statement (1) Glass used as1heets in ~ bui~~i1gs is L cryatalliw

solid and i~Jralls~rent

Statement (II) Glass is obtained by the

r~sect~~~of ~es of cs~y~nd bolli

- orWl1icfare crystalline

in structure

~ Statement (I) Lime-surkl1i mortar is j used in constructio~ of

Anit (dams) since the 19111 cenhry

reg Statement (II) Portland cement is a recent material compared to sttrkhi-mort~which is be~t suited for hydraulic structures ~

-c

(I) Rapid met11oq of conmiddotmiddot

crete~~l~~Q~~~~~~Yiill t~k~ 3 days fQLli~l~

Statement (II) Thi~ r~pid method depends on culing the concrete in warnl water

(I) RMC ispr~ferably used in construction of large

projects ~

swtement (II) RMC is adoptable to ach~eve ~X gY~ir9d stTen~t~()f concre~gt Wiilis~inultan~lt_t~ quality bullbull_ bull_bull _~l_gtn - - -bullbull~~_ __

control ~--shy

(1) In a bolted J0111t allmiddot similarly placed bqlts

share ~~_15ll4tqlJ_~lly -

Stat~ment (II) Bolts are placed in holes - having slightly larger

diamyters

(I) In an RC beam bond stress devtloped js due to pure aQl~iQn and fHctional and mechanical resistance ~

Staitement (II) 1~l4~9~cy of bond strength can be compenshysated by providing end anchorage in the reinshyforcing

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

~ement (I) A Dummy is ansectiijVflY Stat in the network~ f~) Statement (II) A Dum111y jsa repre~

~t(S) sehtl7tl0n~f1tJl~~etwork ~ requ~1Jngnelther tIme nltgtr

~

esources~

~ Statement (1) In areas wh~reextreme~ cold condItions area reg111ar f~tr~middot and more 89 Qarti2illarly in

winter it is necessarymiddotto use~l+~~r ~ilformiddot auto~ mobil~gt$ than ins~11lll1er

Statement (II) LigJlter inStatlment (I) refcentrsrtQ the oil density

whiclithay beadjusted

by admixtures ~

- Statemen q) BeI1pound~HUiS equation ~s appl~~ble to any pomt m

theHpwfield provided )middotft~(gtmiddotmiddot

~ middotthe~ow is ~teady alld (0 jrrofu~onaL

Statement (II) Thei9tegration ofEulers eq~ati9n of motion to deriveBemoullFs equa tion iny)lves the assumpmiddot ~jhaY-~lg~jJy-P-lenmiddot fia exists and that the fuw co~ditio~s d~ not chaI1g~ with time (It ~1Y~poiflt-~~ S

7Statement (I) A1~~~Q1j9sludamp~stetrStatemc by itself is Gonsidered

to be the better method than other- methodSof shidge tre~tment ~

~

Statement (II) DilririgAnaerobicsectlludge digts~ionCH4 if) P[Oshy

ducc~dal~Q rogents apd other pest ar~ attrllcted

when digester sludge is dried ~

(1) A nomogram is a ready re~koner to co~puteany two hydraJllic p~meters

like discha~ge pipe ~iametcrpipe slQPeand

fJowyeloqity in the pipe if the other two are known -

Statement (II) HydrauliC parameters can he determineq by using yenannings or Ohezys formulae and a Nomo- gr~ isectl an organzed

compilation ofa number Qfs~ch v~riedcortiputashy

tions ~

~ (I) The field ofbullbullbull Statem ent capaCity T v Muni8EL~olid waste is

the total moisture that~~

C(j)Statement(Ir~Amiddotsloping glacis is can be ret~iried 1~ a ~l~ays preferreq oVer waste sample against-anorizontal bd for

l()iati~ ~_hYAraulic d~

Statement (II)iWrllehydraulic jump is the best dissipator of ~iietgy qf fpe floWing

vater ~

~vity ____

Statement (II) The field capacity of Municipal solid waste is

of critical importance in determinlng tlie voiume of le8chatt in ianclfills ~

C - SKPmiddotU-CVL

~

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

bull Statement (1) PCA is a preferred raw

~iscltlJried out to (1) foxirnate analysis of

material for construction determinemiddotmoisture con~ of Bt~m~ng1Jsectpayem~nts tent volatilemfitter and illar~gJ~ Qfh_~infan

thedJ2s~on ~I Statement (II) In no stripping Statement (II) Ulti11ate anIysisof is needed as there is

MSW camed out to improved binding and detennine thefUl1rang~ thereby stability is also

ofghemic~~~on improved vc

and the energy yalueshy ~-------~~

(1) Bituminous roads disshy(1) The impact of Green integrate even with ligJlt

House Gas emission on traffic but such failures t__~ ____~

~

the enviroruUent may ltr~ notlt)QlUllYJ)ly attrishy comprise accelerated butable to yaQngsuxfaGc

~SI~-~S~~ ~1 ~~sectwtqlr~f4sect~cant Statement (II) Improper preparation of

rise in meillLSeiLlevels -- lt~ the subgrade and the

Statement (II) Green House G~s emisshy foundation is often resshysion is responsible for ponsible for this disshydecreased land masses integration ~ ~~~sedJ2QPllatiQlt~-

shies andJood shortages)lti ~ Statement (1) Cerplet bull as a refract$l(Y material (CI~r euroo1+~ Alumjnium~O) is used

pIe of surveying is to in the consfiuction of

work from the whole to rockets a~II~r-o=~

8 Statement (I) fundamishyf _~ bull __~~_ _~

the part (0 Slltitchhent(II) Cermet containing mctals c bull~ Statement (II)middot Working from the whole which ~re sJable at

to the part ~1fsuies preshy teinpyratures as high as 6QOdegC resists suddenven~ion of accumulation

errots in survey wor]lt o~t(rla~ge

loc~te the H~~~~~

of possiple shocks

(I) Aluminium alloy with less than 6 copper is83 Statement (I) pas-shy used in making l1Jtoshy~r used by ~~~ile e~~~s (j) P~ Statement (II) Du~aluminium containing

Statenwnt (II) Local attrac~ion causes 4~ copper has a high in compass survey tensile silcngth and is

due to terrestrial features welL usable wherever ~=~~I~~~

-- either nangal or manmiddot alkalli1~yenlmmneuront IS

made ~

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

draw

f2

Statement (I) There is no practkil 1C (c) --lction method of concrete mix 2

n~nts design basedmiddot on themall specific surface 9f -~ n

~gregates ~-ping -~reg A~~~~ e is gtConsider the folloWfng statements

Statemept (II) Surflce are~ of aggreshyand gate~ p]~a vital rolG io 1 All so11s can be i~ent~fied in thealso achteyilg_JhsLtiglt mix field by vlsualexammatlOll deired for a iireal

~ Finegrained soils can be identified c~ ~----- sen ~iisshy in the field by visual examination Ie glt and touch r

res (1) Air seasoning of struc~ li~ -A FiI1e-grained soils can 1e identified ~tura] timber repders jt

in the fi~Jd by dilatancy test ~ Qe m9re durable toupoundh and elastic ~ 3 By yisualexamin~tion oQlyco3Jseshy

graiped sok ca~iq~utified Statement(II) Air seasoning of timber

is the most economical Which of the above statements are correcta~d~co-frieldly method ~

i of treatment when time (a) 1 and 2 only is riot a constraining (b) 2 and ~ onlycrit~n0n

~ ~ J and 4 only (J) Lining of nuclear plants

with specially h~avy Y~land 4 only

concrete is needed for ~ shi~lping a~dpot~cti~g

9 An open channel is of isosceles triangle ag~instseveral danger~us conditions i gt ~~~nri~4~~i~~~i~t~eY~~~i~~1middot~~~~

~sp~~i~~Eergxa critical_depth will Statement (II) LiIponite is oJle special be

type of aggregate pos- 2 sessing a high density -

~ zero

(b)

Y 1

~ (a)

3

i 3 (b) shy

4

5 (d)

6

17 C - SKP-D-CVL

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

A pipe network is shoWIlyenfithall neeQful input data to compute the firstmiddotmiddotmiddotiteration improved magnitudes of the initially assumed flows in the What will be the Stfcl1 imttfQVedflow magnishy

~ c---middot_ - - -lti-- - _~-

tudes ~in CD Consider to middotfirst -~-

(a) AtoB51CtoD3-1

(b) Ato B 5-7 C to D 2middot8

(c) A to B 4middot9 C too 3middot4

(d) A to B 5middot5 to D 3middot8

9~~S~h~~eit~n~Jr ~~~o~~(j~ dPth of flow irthe EtoudOU)lib of th-flow r 2middot0 - shy

M3 Profile indicated]Jy wliichof the

gt Yo gt Y

~ Y gt Yc gt Yo

Howing conditions

gt Yc

Vf

--c

logs of wood tend to l11ClVe mid-river reach on the water This is to

(3) -Least obstmction from the banks

(b) 2-ceU transverse circulatiorl the flow

(c) Fastest velocity along the 11lid-river reach ~--

(lt1) Near-symmetry of the isovels across the section is conducive to

~ -- --

ttf~~-~LA~ Froudenumberof the

bull~~~~~al flow wm be

6middot62

prInciple of leastwpxk

depth ratiojn~~ctan~r

(h) 7middot55

(c) 8middot45

10middot25 0

~middot middota hydraulic jump the depths on thebullbullbullmiddotmiddot In~t0 sides are _~m and L~ m The amp- h~adJoss III the Jump lS nearly

~Q45m

sectD) 0middot65 m

te) 0middot80 m

090m 0 centrifugal pump runs at 1400 rpm

dellv~~nng 0-09 mJsec ~gainstahead of -~

with an efficiency of What is

-i j(

using

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

t

middoti 1 Two identical centrifugal pumps arelove ( ) 84-4 connected in parallel to a commonrater

)j--- -

delivery ptpe of a system The discharge r )JOperformance curve of each of the pumps

(s middot~7Jlismiddot represented byJf= 30-80Q2 The

the _ci~sectE~g~dle~tion of thepamllel Cd) 74middot4

~IlJlexpullI~S is

t~iCh of the following situations can ~ If==30-80(fver r~fia~ attributed to ~~jned_e=xce=ss=ivehY If= 15 -20(f tgroundwateJ2lrilping in ahasin

~~~~y bullbull

(c) If=30-20rels 1 Drying up of small lakes andto If= I5-80r ~treams over a period in spite of ~

nonnal ramfull 102 Consider the following data relating to

ar the performance ofacentrifugal pump 2 Deterioration ofgroundwater quality Ie speed = 1200 mm flow rate 30 lis in certain aquifers

head =~ and power =2-kW If 3 Land subsidence in the basin the speed of the pump is increased to

l2QQJpm~assuming the efficiency is 4 Increase iuseismic activity llllal~d the new flow rate and lwad

- bullbull~ ~~

5 Increased costmiddot of groundwater_~~~p~liY~ly will be - extraction (a) 46middot9 lis and 25middot0m

(a) 2 and 4dnly(b) 37middot5 lIs artd2Smiddotom

~) 1 2 3 and 5 only(c) 469 lis and 31middot3m

(d) 37middot5 lIs and 313 m (c) 3 and 4 only I

) 103 The workdonebyakl7 of water jet ~ 1 and 5 only

F J _ n~vin~ with a veloc~tyf~ mlsec w~en ~ ( t Impmges o~ as~nes~f~~_mvl1g bullmiddotmiddot106 Horton s mfiltrat1n equ~tlOn was fitted

III the same dlrectlOn wIth a~lQQY ofmiddot eft) to data fom an mfiltratlon test Itwas 1(t~F 9 msec is eJ found that the initial infiltration capacity t~~ (a) 602 kN m - -J Vias 20 mm1~naljnfiltratititl capacity tV~lt

_ 1(9 was jmlnh and the exponential decay (1 ~Y (b) 55middot6kN m con~tant was Qjlll Iftheinfiitration vmiddot

F~A (c) 46middot8 kN m ) fI~ was at p~acity rales~ the total inftltrat10n

ceELfoca)miJorm stonn ofl9Jldura- l~1 7 d) -0 kNm

tion would be r~~ 1 The velocifyheadsof iaterat the inlet

0~ and outlet sections of a draft tube are rt-~~ ~lSI 3middot5 m and 0middot3 m respectively The fricshy )lt ~ tional and otherlosses in the drafttub~cah (c) 30mrn tl - ~ be taken as 0middot5 mhat is the effid~ncy of the draft tube

I_~bull~-~-~~ (d) middot20 rnrU ~ ~ tJ

L t1( C - SKP-D-CVL

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

L The~main function of agovernot is

to main~in a c~stillt s12ey~ even in as the 1()~ltl4dgl1J~eQHpoundtuateJ5( ~

2Attf te case O peltobullntt2 f l rbinesmiddot the governor c1o~es o~ opensmiddot the wIcket

gates ki-- 3 In the case of Fr~wis turbines the

governor opensor closes the n~~cl~_

v~laquoJ

4 In the case ofa Kaplan tUrbine the governor swings the runner blades appropriately in addition to further closing or further opening of the wicket gates V

Which of the above statements are

r)~ 1 and 3 only

~and40nIY 2 and 3 only

1 and 4 only

COD$ider the occurrence of a surge at the water stlrfac~of a~ide ~Mtangu1ar channel flow as in the figure where the

velocities and the depths are dland surge height wl1ereby

movl1g ~~PJ~5gJf Vw over depth ~l~JltfippIig~Jml_QLcontishynuity and momentl~mprincipl~~~L_wi1l IndIcate to be

]

(b) vw~fgd~(1+~1 +plusmn(JT I

ec)Xw= ~gd J (1 + J2

Which of the following will pose dJfficulties in adoptirtg uhg principles

and proceSses in evaluatlng-ti~QClygrQshy_-gr~Rh_~_2~jns ~-

1 N2n-uniform ~sIi~sttj~tlrt21_ within ~ a stonn

__ 2 Intensity variation within a storm gt

3 The centre of the stOlID varying froni storm to storm in case of largecatchments )00

4 Dividing into a number of subshybasins and routing the individual DRHs through their respective channels to obtain the composite DRB at the basin outlet

Large storages within the catchment -

(a) 1 3 and 4 only r 3 4 only)t

tv 2 and 5 only ---~

1 2 3 and 5 only I

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

lli11iircjjw middotmiddot r+________________-------------------~ n

1(1 ~ 1)-shy

110 RainfaH of magnitude C followed by 21poundD1 occurred ontwocOn~~yutive 4 h durations ona catchm(ltatea of

- =-=~~j-km2and there re~ult~DRH (after isolation of base flowintheflood flow

middotliYcfrograph)mlfuefoHt)vl11gmiddotordinates s~iiI~g~]tQm th~__1egjn~rtgof the

_~~fall (~~q1JlWg~~~lJoJ7nula)

Time 0 4 8 12 16 20 24 28 32 56 40 44 (hours)

DRR 0 9 16 20 20 178 (ordishy nAte

m3sec)

What is the ~ index value --r - ~

(a) 0middot149 cmh

(b) 0middot155 cmh

(c) 0middot161cmh

(d) 0middot167 cmlh r i

1 andwater flws~ough an aquifer7 ~~~a crosssectionallteaofl~OX 104 m2

() andalength or~~JIYdraulic heads are 300 m and 250 marthe groundwater enFandexit poinfsin the aquifer repectively-(frOundwater discharges into a stream at the -te ot20 nWday-Then the hydraulic conducwtY ofthe aquifetis

(a) Imiddot50mday

~25 mday I ( ) 50 d

L c 3middot m ay 1 r

(d) 4middot25 mdayGmiddotI ~ ~ 4st- v i~1

A hydrau1ic~ne 4evelops1900kVf under a head of 30JJ1 when running at 100 tpm This tUrbine belongs to the category of

~) Pelton wh~el

~rancis Turbine

(c) KaplanTurhine

(d)

JiliI~lfl~ rate of rainfall for t~)successive

min periods 0(amp 3-hopr stcmu are 3-6 5-Q 2middot822 andl~O cmhour corresj)()uding ~urfac runoff is

imiJ~d to be 3middot2~m Then t4u ex is H (

~ 1 gt

iA~~-- ~~ J () ~ ) gt

2middot1 cmh )) 2_ 1gt

2-4 cmh ) IV

o r sabili~ analysis~fsl9P-4 o~Mer middotcoheSlV(LSQJJ~ t)l~~nt1caLQentre lsect taken middot~~lle~tth~l~~fti~~ ~ bull

(a) The perpendicular bisector of the slop~ and tbe 1lt~~u~(the c~ntre

(b) The perpendicul~r d~awQ ()ne-third slopefrQrn thetoe and thel locusmiddotOflhe centre

The perpendicuhir drawn two-thirdslopefromthe toe and the locus of the centre

bull COfiSiderthe following statements regardshying water logging

1 Water logging is groundwter 4tble possibleincJease in s~linity re~ulting in a reduction in tfiejie1(fof crops

2 Waer lo~gingcan~otbe eliminated in certain bull areas but can be

f bull

controlled only if th~ quantity of water percolatingintotht soil is check~d and reduced v

vYhiChoit~e~~pY~n~~tw~Jsect~re correct -(a) 1 only

(b) 2tmly

~oth 1 and 2

(d) Neither 1 n012

~ ~fti)

-t ~(() l~

C - SKP-D-CVL

oS ~ ~ ~ ) -r 6 i

Sf - -~-z A ~1f tshy

at the

I

at the

the rise of leading to

~ -

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

1lAnnuaLraintall values atstatibn A in rom(j) for the years 200 1 t 201degare ghen in

the 1~LbelowIff31ITlP1e lt~~tral 3-year mgYJlglll~of th-fS-rainfall record is

~~ed tlultl1fJQJlllJUlanfi minimum values in moving mean list Vould be

~_A~_A~~___ __ ___~__

middotYear wor 4002 20(j3

2004 2005 2006 2007 2QQ~ 2009 2010

Annu~lmiddot Raihfall Pat station 4 (mm)middot

~8~+~~1~~8 639

Imiddotmiddot ~

r 610

J

591 604 621 650 --

~) 689 mm and 586 mm

3~649rnmfand 586 mm

~oslas formulae for~~sing pres~ure ~ dt~rigtution Hnder are based

on

(a) Potential flow in permeable layers j eneath the floors )ltj

t Boundary la~er flow with1~essure rop longItudmally

-_T~~__~__~~~k~~__~_

(c) Conformal transformation ofpotenshy )91 flow into the w plane r W Simplification of 3~D flow ~~

18 In~~~phon aguedupt~l1e~Qsectt22g1ion j)middot~if gJtth~tlgorQccurs wpelt

(lh The canali~ full and the drain~ge is t empty WIth water table at dramage

bed level

JPYfhe is empty and the - drainage is full Yith )yJL1t~ at

drainage bed

(d)

middott--shy

Both the canal and the drainagemiddot are full

The canal IS empty arid the

(1

c

Zero hardness of water is achieved by

Lime-soda process

~)~nexchange treatment

1c) lime tieatment

(d) Excess alum dosage

iifive-days BOD of a 10 ~iluted sample haring Do 6middot~rmgl = ~ ffgll andcmiddoti~mpti9JL2LoxygeJt in blank =

Ql IpJlL will be

(a) mgll

42mgll

(c) 62 mgl

(d) 82 mgll

12middotmiddotbullConSider t~e fOllOWing statements for7 ~ltmg bUilding tones ~~-----

l~e~sollinampof ~on9s is essential and is done by soaking in waterX)

2 Specific gravity QLsect_tgpound~_t(LJ~e more than 27

3 Porosity of stone affects its durashybilityvc

4 Climatic conditiQPs decide type gtof stone to be used in construction -

Which of the above statements are conect----shy

1 2 and 3 only (j

(b) 1 2 and 4 only

(c) 1 3 and 4 only

3 and 4 only

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

af 1 and 4 only r) rand 3 only

~ and 4 only

and 3 pnly

Consider thefoH()~~~tatcentlrients

1 Rich mixes ~t~ less prone to bleeding thanfl~ ones ltl

~

BleedingcaJ1 be reduced increasing th

--- shy ~ r

of the above statements gt----

Both 1 andV~

Neither 1 n~ii

4 The yield of con9r for a concrete mbe (~~til~~EQtJEg-i

0-128 m3

0middot135 m3

0middot146 m3

shown in the slu~p cone test indishycatesits~ very poor work~bility --

F

middotmiddotmiddotmiddotmiddot7

12 lind 3 only

1 2 and 4 only

1 3 and 4 only

2 3 and 4 only

steel wire of 20mm diameter is bent intomiddot a circu1ar shape of 10m mdiusbull If E tjte m~tgylysectof elasticity is 2 x l06~gcIll2 t4~nth~-~n~~~m tensile stress_induced in the wire is

~1~-- -=-_middotnearlymiddotmiddot

(b) 4 x 103 kgcm2

(c) middot2 x 104 kgcm2 bull

(d) 4 x 104 kgcm2

ved by

sample

~fgl anIs =

for

be

fashy

pe on

re

)Ifconsider the following statements

~laquo 1 ~cell1eJ1t grains p~sses- ses low wetting ability -

2 Rapid-hardening ceIjieftfis use(ul in conreting unde Wic or JI11ipg water ~ shy

3 Quick$ettilggemtl1theh~s concrete to attain high strength in the initial period~

4 White cement is just a variety of ordinary cement free of colouring oxides~~ t_ ~ lt11

Which of the above statements are

bull

correct

Cc) 1

~

2

~~

Which

~

~~ (c)

~ 0middot090 m3

_) (b)

(c)

(d)

~sider the following statements

1 Workability of concrete increases with the increase in the proportion of water content ~

Concrete having$l1all-sized aggreshygates iSn10re Wotkable thal that containing large-~ized aggregate ~

3 For the same quantity of Yater~ rouIded aggregatesptpduce a more workable concrete mix as compared to angular and flaky a~gregates ~

4 A concrete mix with no slump

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

curve for (1n ideally piece of metal are -30 l mm and

is the maximum -~---~~-~--

Stress (a) 0

Strain

Strain

(c)

Stress

(b) 50 pmm

(c) pmm

bull The state of stress at a point is given by~ 80 MPa OJ = 100 )1Pa and 9=_60 MPa lf14e yieldstJ_~l1ampillItQrjhe material is 150 MPa as determined in a ___~_ M~ bull bull bull

Strain rr (L~~ bull ial then the 11axjnLuIILsectMar

I ~ iif 13 nearly I

f Stre~ (a) 150middot8 MPa l ~ 1SltJJii))+~

(b) 127middot4 MPa Strain

t012SA long rod of UIlifOlU1 rectangular section v with thickness t QlginUXstrfliglIb_ is

(f) bent into th~_f~ELQL1sirClllar arclL _withltlisectBlpoundis~menLd at the inid~point

of span I The displacementdmllY be regardeqas to the length I The IS

(a) 2td[2

(b) 4td

Std (c) 2

(d) 16M

-c

J

[

(c) middot119middot3 MPa

middotmiddot bullcd) 104-0 MPa

rmiddoto

~ril1cipal stresses ~La E2i~tj~_~_~l~stic 111aterialare 1~5 a (tensjle) (5 (tensile) anoO-5 a (compressive)_ The elastic limit 11lt_tens1OJljL2JQJYlja and E~~(Tr-l1ie value of failure when computed

~-~

IS

(a) 140-5 MPa )--shy )

middott

(b) 145middot5 MPa

~ v

150-5 MPa 1

-)

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

-~(a) 125 mm

middotb) 121 mm 0~

7l

Xc) 117 mm fV+ 0

(d) 1 mm

134RCC columil of 00 lengtlj is rigidly ~~nected to thy slab~nd tathe foundishy middotmiddot~on Its cross-sec~Qlj~(400x400) mm2

The column Will_behave (is alan ~

gtl-

(a) Long column

~hort column

shear force diagram ofa single verhanging beam is shown in figure ~ Que simplesuPPQrLisdlteng A The ~totat_~Qow1yard_Joad actinamp-Q1L the beam is

N -(

~~ n )

J(b) 600 N -- l

- -----shy (c) 400N )$ V

(d) 200 N

C - SKP-D-CVL

netal mlm and

lastic nsile) limit

ppted ry IS

250N

OmiddotSm

1middot2 ill -4gtllt~- 1~2 m

A hOlizontal bar of seciiQnlsJjQrt] isrigi~lly held

~~~~jLends s4-th~jJoanIDllar ro~~on occurs axially orc~cumferentiaw at the ~l-ds (a~s~own in figyre)The maximum t~~~i~~~esin the bar is n~~

---

(a) 12middot2Nmm2 -t (b) 13middot7 Nlmin2

(1

(c) 15middot2 Nmm2

(d) 16middot7 Nmm2

A solid shaft A oldialljeter D and length L is subjected toatorqtie T another shaft B of the sarperpaterial and of the same length but half the diarneter is also subjected to thesame torque T The

1secttiQ_ b~t~een the angles of twist of shaft B to that ofshaf1 A is

--

~32

(b) 16

(c) 8

(d) 4

134 The reqUir~~iamiddotmiddot in~1efbull ~r a solid shaft to t~~ at 150 rpm with tl~e workng sheaf~tress~ exceed

_80 M1ICm2 is nea~blt ----shy-ltlt

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

deformation of a vertically held In the case of a rectangular beam

le~ crostse~4 is due to subjected to a transverse shearing force ~- ~

the ratio of shear to isJ[iiiiltiJh~JlnitweighLoLthebar is average the ~~QlEltiQlLdLis~

self-weigh1oIJIxr IfYQJuu~tLmQdulus

(a) 0-75

(b) 1-00

l)yrshy~

01 1lt(

~ ~

2AE ~

38 ~or Lplaterial thepE_c~ Q~~~bull ~g~ bull ~1) ls~a and the ~~oLelaSticltyamp is ~2LfiPa The value of the P~i~~ons

ratio ismiddot i

(a) 0middot20 YL1- Zv-) If lt1lV lt (

~25 Y V1-middot fl l~vI ) (b) 30 kN

(c) 0middot30 ~ j ~~

~ 0middot35 )A~ ~~ ~ i~ ~ ~-

(950 kN1 bull Two ersons w Wea~ll~e sitting on a plank oflength middotmiddotmiddotmiddotlO(itWgQuwatel

at L Q142 Each span of a lt~~~sIJ~clillYQus 4 rC beam of unifonn flexural rigidity issectJp

Q ~Utlltee supports are simple supports Ifoarries ~ distributed load of

WL(a)

16

1)-4 (a) 90 kNm SaggingWL(b)

64 ~ kNm~ ~1JP bull WI tVshy(c) - Hogging

8

(d) Sagging

(c) jmiddot25

~o

(a) 20 kN

~llilnt

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

liS

n s )f-shye

(a) 200 Nm

~107Nm

(d) 400 Nlm

-

~~~-

~l~hQt]tTle~J~

is nearly

(a) 4middot12 s

(b) 2middot80 s

(c) 0-50 s

(d) 0-07 s

beam ( force ~s to F

-Ii

is

A fixed beam is loaded as il~~re The fixed end moment at suppo A l~ --laquo--- ~

WL2 (a) 30

-iF

2F

in ~~~~~Jlt~u The seismic weight of the buildingis 10000 kNand it

is designed by ductility considerations Jl1~_~Ppoundcjml laquoccCl~ratio_n factor fQr this ~tIljru~ ThUpoundlssL~heJU fQrJhis

1350 kN

5000 kN

10000 kN

25000 kN

RCC slab (11 25 grade) ofdimensions 5 til x5 m x Q 15 ro is supported on four

columns (M 25 grade) ofside mm the clear height of each column

Assuming rigid connections

~1_JimfJ~1iQ(lp(yjJ2ration Qfth~LSlab glol]ampJllehsgti~Q~~Lgjrection

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3

the following statements regaramg suspension cables

L The horizontal component of the cable tension in a suspension bridge

the1~plusmnxoHMl~flIVjllb

2 Stiffening g~rd~rs in ~Rension bridge ca he live 10ad~ ~-~---

Which of the above statements is Iare

) 1 only

~ Both 1 and 2

(d) Neither 1 norZ ~

149

A1=======tJ

The fundamentaltimeperiod of ~ of the system shown in the figur~L-in negleCilngthe-settwerghfoffuebeam JE~~arii bull-- ----------

(a) 0middot2 sec

(b) 0middot8 sec

(d) 2middot8 sec

r~nSider the following stements withl-middot~1~rence to the d~igll oJ_ Y~l5g_ltt

tension members H~~ev--_-~--~---middot---

L area of )) the connect~ltiJSgis asslmeg to

contribute~middottoihe- effective area in th~~~~~Qf~g- ~foy 2 Two angles back-to-back and tackshywelded as per the codal requireshyments may be assumed to behave as a tee-section 17

3 A check on slenderness ratio may be necessary in some cases ~_--

Which of the above statements are correct

~ 1 and 2 only

~) 1 and 3 only

--1 (c) 2 and 3 only

1 2 and 3