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1PYRAMID IAS ACADEMY

KARAIKUDI

GROUP- I - 1998

1. The ratio of the volume of voids to thetotal volume of soil mass is called

a) water content ratio b) porosityc) void ratio d) degree of saturation

2. The e ective stress on the soil mass. Void ratio.a) increases b) decreasesc) remains constant d) none of these.

3. pycnometer is used to determinea) water content and void ratiob) speci!c gravity and dry densityc) water content and speci!c gravityd) void ratio and dry density

". #atch $ist % with $ist %% and select youranswer according to the codes givenbelow &List Ia) 'ry unit weightb) (aturated unit weightc) nit weightd) (ubmersed unit weight

List II

a)

++

e

wG

w1

1 b)

e

Gw

+1

c) we

eG

++

1d) we

G

+

11

Codes :a b c d

A 1 3 2 "B 3 1 " 2C " 2 1 3

D 2 3 1 "

*. Void ratio of soil has been determinedfor a soil as +.*. ,hat is its porosity-a) +.33 b) +. / c) +.*+ d) 1.++

. stratum of clay 2 m thic0 will beconsolidated + in 1+ years. or the+ consolidation of m thic0 stratum of the same clay4 the time re5uired isa) 1++ years b) 1 + yearsc) 1 + years d) 1"+ years

/. Toughness inde6 is the ratio ofa) 7ow inde6 and plasticity inde6b) plasticity inde6 and 7ow inde6c) li5uidity inde6 and 7ow inde6

d) plasticity inde6 and li5uidity

. The property of a soil which is of greatimportance in !nding settlement of structure isa) permeability b) shear strengthc) consolidation d) none of these

8. t li5uid limit a soil hasa) no shearing strengthb) very small shearing strengthc) very high shearing strengthd) nothing to do with shearing strength

1+. soil not fully consolidated under thee6isting overburden pressure is calleda) pre9consolidation b) normallyconsolidatedc) over consolidated d) none of these

11. or slopes of limited e6tent4 thesurface of slippage is usually alonga) a parabolic arc b) an elliptical arcc) a straight line d) a circular arc

12. The 7ow value N is given by

a)

245tan 2

b)

+

245tan 2

c)

+

245tan

d)

245tan

13. The critical height in the stability of soil is thea) ma6imum height at which it is possiblefor the sloped ban0 of soil to be stableb) minimum vertical height of the soil inopen e6cavationc) minimum height at which it is possiblefor the sloped ban0 of soil to be stabled) ma6imum vertical height of the soil inan open e6cavation

1". :hoose the correct value for thefollowing &or 0= 4 the Ter;aghi

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2d) is more than 1++ for pile groups incohesionless soils and less than 1++ forthose in cohesive soils

1 . %f two electrodes are driven in asaturated soil and an electric current soiland an electric current is made to 7owfrom one electrode to the other4 the watercontained in the soil.a) remains una ected by the 7ow of currentb) migrates from the anode towards thecathodec) migrates from the cathode towards theanoded) does not allow any current to 7owthrough

1/. The ultimate bearing capacity of asoil is

a) total load on the bearing areab) safe load on the bearing areac) load at which the soil failsd) load at which the soil consolidation

1 . The reduction factor to the bearingcapacity of a soil due to the water table ata depth e5ual to greater than the width of the footing below the footing isa) +.2* b) +.* c) +./* d) 1.+

18. n uplift under the foundationa) always adds to the stability of thefoundationb) decreases the area of the foundationneededc) decreases the stability of thefoundationd) increases the bearing pressure of thefoundation

2+. :hanging the natural fre5uency of thefoundation system at a later stage after

construction4 if found necessary4 is 0nownasa) isolating b) tuningc) tuning d) damping

21. >ermissible ma6imum settlement forsteel and ?: structures on sand has been

limited to500

L. or multi9storey dwellings

and civil buildings in plastic clay4 thisvalue is

a) %%% L

b) 142 L

c) 100 L

d)

2500 L

22. Teraghi

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%m long is set out at right angles to >C atC. %f >C is 2* m and angle >#? is 8+ +

then the width of the river C? isa) 2* m b) *+ m c) /* m d) 1++ m

3+. The simpson

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4

"/. %n a loaded beam the point of contra7e6ure occurs at a section wherea) bending moment is minimumb) bending moment is ;ero or changes itssignc) bending moment is ma6imumd) bending moment is minimum.

" . The relationship connecting the elasticproperties4 Koung

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5d) none of the above.

2. n instrument used for thedetermination of speci!c gravity ofbitumen is calleda) $actometer b) >ycnometerc) Lydrometer d) Viscometer

3. The top of the ground on which thefoundation of a road rests is calleda) (ub grade b) @asec) (oling d) ,earing layer

". The value of the ruling gradient inplain region as recommended by %?: isa) 1 in 1+ b) 1 in 3+ c) 1 in 2+ d) 1 in"+

*. The pea0 formed by two risinggradients is called

a) (uper pea0 b) (ummit c) >ea0d) Top

. The rate of rise or fall of the roadsurface along its length is calleda) (uper elevation b) :amberc) Bradient d) Eone of these

/. The relationship between the rate ofsuper elevation4 the co9e=cient of friction4the design speed and the radius of thecurve is4

a)2*

+ , - . /R

b)2*

+ -/R

c)2+*

. ,/R

d)2+*

1/R

. loat gradients are generally provideda) t valley curves b) t summit curvesc) long minimum gradientsd) long ma6imum gradients

8. (elect the incorrect the statementfrom the following&a) %n highways super elevation is limitedto / in plains.b) >: of a bulloc0 cart is greater thanthat of a truc0 with a trailer.c) rotary should never be provided at asummit.d) Ligher tra=c density occurs when thetra=c4 volume is very small.

/+. The distance traveled by a vehiclefrom perception time to the bra0e reactiontime is 0nown as.a) $og distance b) (ight distancec) @ra0ing distance d) (topping distance

/1. The ma6imum width of a road vehicleas per %?: recommendations isa) 1.1+ m b) 2.2* m c) 2.++ m d)2."" m

/2. Fuler

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$a) " 6 1+ litres b) 2+4+++ litresc) 2 6 1+ litres d) "+4+++ litres

1. (tandard F'T NFthylene diaminetetra acetic acid) solution is used todetermine thea) hardness in water b) turbidity inwaterc) dissolved o6ygen in waterd) residual chlorine in water

2. The ideal disinfectant for public watersupplya) o;one b) V ray c) lime d)chlorine

3. :onsider the following statements & Turbidity of water is e6pressed1. in ppm2. in numbers in an arbitrary scale

3. by pL value". by colour codeIf these statements4 which are correct-a) 2 and 3 b) 3 and " c) 1 and 2 d)1 alone

". The presence of calcium andmagnesium chloride in water causesa) softening b) tastec) turbidity d) hardness

*. Mat L3 t I 3t L3 t II an6 + + t t +899+ t an +9 : 3n/ t + 86+ /3;+n (+ 8 oints outgoing ahead of schedule of

Hob4 if anyd) Eone of the above

13*. The pre9tender stage re5uiresa) c5uisition of land b) (election of

sitec) inali;ation of alignment of wor0d) inali;ation of design J preparation ofestimate.

13 . The techni5ue for establishing andmaintaining priorities among the various

Hobs of a proHect is 0nown asa) Fvent 7ow scheduling techni5ueb) :ritical ratio schedulingc) (lotting techni5ue for schedulingd) (hort interval scheduling

13/. >F?T networ0 isa) ctivity oriented b) Fvent orientedc) @oth activity and event orientedd) loat oriented

13 . %n >F?T analysis4 the e6pected meantime is given by

a)t t tL POtE %

b)t 2t tL POtE 4

c)t 4t t

L POtE $ d)

t t 4tL POtE 5

138. The time to complete the entireproHect corresponds toa) (hortest path from initial node to !nalnodeb) $ongest path from initial node to !nalnodec) (um of distances from initial node to!nal node.d) verage of time ta0en by all theactivities.

1"+. :ritical path moves along theactivities having total 7oata) >ositive b) Eegative

c) ero d) (ame

1"1. The following !gure indicates&

a) merge b) burstc) n activity d) n event

1"2. The occurrence of the starting of anactivity is called its4a) Lead event b) Tail eventc) 'ual role event d) inal event

1"3 . Mat L3 t I 899+ t ? 3t L3 t II an6+ + t ?8:9 an +9 : 3n/ t + 86+ /3;+n (+ 8