b.tech. degree examination, dec. - 2013 (examination at ... · 2) a four storey rc building as...

(DCE 411)

B.Tech. DEGREE EXAMINATION, DEC. - 2013

(Examination at the end of IVth

Year First Semester)

CIVIL ENGINEERING

Paper – I : Advanced Structural Analysis - II

Time : 03 Hours Maximum Marks : 75

1) Answer the following : (15 × 1 = 15)

a) Define influence line.

b) Write the three moment equation for the general case of a continuous beam.

c) State Upper bound theorem.

d) Define shape factor.

e) Define stiffness of a member.

f) What is distribution factor?

g) Write the advantage of moment distribution method.

h) Give any one difference between force method and displacement method.

i) Define a curved beam.

j) Define flexibility matrix.

k) What is a stiffness matrix?

l) State Lower bound theorem.

m) State Muller Breaslaer Principle.

n) State any use of influence line.

o) What is point of Contra flexure?

Answer any one question from each unit : (4 × 15 = 60)

UNIT – I

2) A semi circular beam in plan is simply supported on five supports equally spaced in front

portion of building. Obtain position and magnitude of bending moment and twisting

moment.

(OR)

3) a) Draw the influence diagram for reaction at support for a simply supported beam.

b) A rolling uniformly distributed load (udl) of length 8m crosses a simply supported

beam.

What is the length of the udl to the left of the section, whose distance from the left

support is 0.4 times the span for maximum bending moment when(i) the span is 8m;

(ii)the span is 12m.

UNIT – II

4) Draw the idealized stress-strain curve for mild steel. Explain in detail.

OR

5) Write about collapse load analysis of indeterminate beams in detail.

UNIT – III

6) Analyze the continuous beam using Flexibility method, shown in Fig.1, and draw shear

force and bending moment diagrams. Assume constant EI throughout the beam. Locate and

find the distances of the points of contra-flexure from supports. Draw elastic curve.

OR

7) Analyze the frame shown in figure 2, by flexibility method.

UNIT – IV

8) Determine the forces in the members of the truss shown in fig.3. using Stiffness method.

All the members have equal cross-sectional area of 1240 mm2, E=206GPa.

OR

9) Analyze the frame shown in Fig.4 by Stiffness method. Draw the bending moment diagram and

sketch elastic curve.

��

(DCE 412)


(Examination at the end of Fourth Year First Semester)

Civil Engineering

Paper – II: EARTHQUAKE ENGINEERING


Answer Question No. 1 compulsory [15]

Answer One Question from each section

1) a) Define DOF

b) Define Mode superposition

c) Expand DSHA

d) Expand PSHA

e) What is liquefaction ?

f) What is damping ?

g) What is meant by seismic weight ?

h) Define forced vibration.

i) Define Focus.

j) Define epicenter.

k) What is response spectrum ?

l) What is seismology ?

m) Differentiate intensity and magnitude.

n) Define critical damping.

o) What is the purpose of seismic zoning ?

SECTION - A

2) A four storey RC building as shown in the figure 2. The height between floors is 3m and total

height of building is 12m. The dead load and normal live loads are lumped at respective floors.

The soil below the foundation is assumed to be hard rock. Assume the building to be used as a

hospital. Determine the total base shear and distribute the base shear along the height of the

building. Let the building be located in Zone IV.

M4 = 2500

(OR)

3) a) Explain factors under consideration for earth quake resistant design.

b) Discuss various earthquake resistant design methods.

c) List out and explain the various factors affecting the response of the building.

M3 = 3000

M2 = 3000

M1 = 3000

3m

3m

3m

3m

SECTION - B

4) Write about measurement of strong motion in detail

(OR)

5) Describe active and passive isolation methods in detail

SECTION – C

6) Explain about Earthquake resistant feature of masonry structure in detail

(OR)

7) Explain with neat sketches the different types of damages in masonry caused by earthquakes.

SECTION - D

8) Explain the following:

a) Earthquake resistant feature of masonry structure.

b) Liquefaction and give remedial measures for it.

(OR)

9) Explain the repair and retrofitting methods for the damages in steel structures caused by

earthquakes.

��

(DCE 413)

B.Tech. DEGREE EXAMINATION, DEC - 2013

(Examination at the end of IVTH Year FIRST Semester)

CIVIL ENGINEERING

Paper III-WATER RESOURCES ENGINEERING -III DESIGN & DRAWING


All questions carry equal marks.

UNIT-1

1) Design and draw a trapezoid notch fall of 2 meters with the following data:

a) Hydraulic particulars of the canal above fall.

Full supply discharge = 4 cubic meters/second.

Bed width is 6.00 meters

Bed Level + 10.00.

Full supply depth is 1.50 meters.

F.S.L+11.50.

Top of bank 2.00 meters wide at level + 12.50.

Half supply depth : 1.00 meters.

b) Hydraulic particulars of canal below fall.

Full supply discharge = 4 cubic meters / second.

Bed width = 6.00 meters.

Bed level = + 8.00.

Full supply depth 1.50 meters.

F.S.L + 9.50.

Top of bank 2.00 meters wide at level + 10.50.

The ground level at the site of work is +10.50.

Good soil is available for foundation at + 8.50.

(OR)

2) Design and draw a sloping glacis weir for the following site conditions:

(a) Maximum discharge intensity on weir crest = 10 cumecs/m length

(b) H.F.L. before construction of weir = 225.0m.

(c) R.L of river bed = 249.5m.

(d) Pond level = 254.0m.

(e) Height of crest shutters =1m.

(f) Anticipated downstream water level in the river when the weir is discharging with pond

level up - stream = 251.5m.

(g) Bed retrogression = 0.5m.

(h) Lacey’s silt factor = 0.9.

(i) Permissible exit gradient = 1/7

(j) Permissible a2ux = 1m.

UNIT - II

3) Design and draw the surplus work of a tank forming part of a chain of Tanks. The combined

catchment area of the group of tanks is 30.45 sq. km and the area of the catchment

intercepted by the upper tank is 24.85 sq.km

It is decided to store water in the tank to a level of +12.00 m above M.S.L, limiting the

submersion of fore share lands up to a level of 12.75m above M.S.L, The ground level at the

proposed site of work is +11.00m, and ground level below the proposed surplus slopes o®

till it reaches +10.00m in about 6m distance.

The tank bund has a top width of 2m at level + 14.50 with 2:1 side slopes on either side.

The tank bunds are designed for a saturation gradient of 4:1 with one meter clear cover. The

foundations are hard gravel at a level of 9.50 meters near the site of work.

(Assume Ryve’s coefficient | as 9 and modified coefficient c as 1.50)

OR

4) Design and draw a type III siphon aqueduct for the following data.

(a) discharge of the canal = 30 cumec.

(b) Bed width of the canal = 20m.

(c) Depth of water in the canal = 1.6m.

(d) Bed level of the canal = 260.00m.

(e) High flood discharge of the drain = 261.00m.

(f) High flood level of the drain = 258.00m.

(g) Bed level of the drain = 258.00m.

(h) General ground level = 260.00m.

(i) Silt factor = 0.9.

==== � ====

(DEC 414)

B.Tech. Degree Examination, DEC. - 2013

(Examination at the end of IVth Year) (First Semester)

CIVIL ENGINEERING

Paper - IV : ENVIRONMENTAL ENGINEERING -II


Answer Question No. 1 is compulsory. [1 × 15 = 15]

Answer ONE question from each unit [4 × 15 = 60]

1) Write brief note on:

a) Sanitation

b) Conservancy

c) Storm water

d) Street inlet

e) Sewage

f) BOD & COD

g) Sedimentation

h) Imhoff tank

i) Recirculation

j) Activated sludge process

k) Oxygen sag

l) Irrigation

m) Anaerobic sludge

n) Solid waste management

o) Incineration

UNIT I

2) a) Explain the conservancy and water carriage system?

b) Write notes on quantity of sanitary sewage?

OR

3) a) Explain the determination of quantity of storm water sewage?

b) Explain about flushing tanks?

UNIT II

4) Explain the following:

a) Decomposition of sewage.

b) Grit chamber.

c) BOD & COD

OR

5) a) Write notes sedimentation tanks?

b) Describe the Disposal of septic tank effluent?

UNIT III

6) a) Explain the activated sludge process Vs Trickling filter?

b) What is Diffused air system?

OR

7) a) Design a Trickling filter for a population of 90,000 provided with a rate

of water supply of 150 lpcd. Assume the B.O.D. of raw sewage as 250

mg/L.

b) Explain the self purification process?

UNIT IV

8) a) Describe the characteristics of sewage sludge?

b) Explain the methods of dewatering the sludge?

OR

9) Write short notes on:

a) Sanitary landfill.

b) Compositing

c) Recovery and Reuse.

� � �

(DCE415) B.Tech. DEGREE EXAMINATION, DEC. - 2013

(Examination at the end of Fourth Year First Semester)

Civil Engineering

Paper – V: ESTIMATION & VALUATION

Time: 03 Hours Maximum Marks: 75

Answer Question No.1 compulsory (15)

Answer One question from each Unit (4x15=60)

1) a) What are the two types of methods in building estimates?

b) What is meant by gross income?

c) Write the units of measurement for plastering, brick work in fire place?

d) Write the rates of materials and labour for CC flooring, concrete?

e) What is work order?

f) Define book value.

g) Write importance of degree of accuracy?

h) Define mosaic flooring.

i) Define price & value.

j) Write the basic data required for estimation?

k) Write two different types of estimates?

l) What is meant by revised estimate?

m) What is meant by actual cost?

n) What is meant by specifications?

o) What are the basic units of length, time, electric current?

UNIT - I

2) a) Explain individual wall method with a suitable example?

b) What are the different methods of estimating? Explain them briefly?

OR

3) Estimate the cost of a masonry platform 6mx5m from the given drawing(Fig-1)

and specifications using center line method.

a) Foundation – lime concrete

b) Masonry – 1st class brick work in lime mortar

c) Flooring – 2.5cm cement concrete over 7.5cm lime concrete, over walls

only 2.5cm cement concrete

d) Wall finishing – outside walls are 12mm cement plastered 1: 6

UNIT - II

4) Explain briefly estimation of earth work in irrigation channels?

OR

5) Prepare a detailed estimate of earth work for a portion of a road from the

following data:-

R.L of formation 115 upward gradient 1 in 200 up to 600m, downward gradient 1

in 400 Formation width of road is 10m side slope 2:1 in banking and 1 ½ : 1 in

cutting.

UNIT - III

6) Write the technical specification for the following

a) Brickwork I class

b) Plastering cement mortar or lime mortar

c) Mosaic or terrazzo floor

OR

7) a) What do you understand by bar bending and what factors plays major role in

the case of bar bending?

b) List out labour required for different works.

Dist.

In m 0 100 200 300 400 500 600 700 800

R.L of

ground 114.50 114.75 115.25 115.20 116.10 116.85 118.00 118.25 118.10

UNIT - IV

8) Write a short note on

a) Process of fixing standard rent

b) Plinth area estimate

c) Life of structures

d) Carpet area

OR

9) a) What is meant by valuation? Write the different methods of valuation?

b) What are the different methods for estimating cost depreciation?

��

(DEC416/1)

B. Tech. DEGREE EXAMINATION, DEC. – 2013

(Examination at the end of Year First Semester)

Civil Engineering

Paper - VI : PRE STRESSED CONCRETE


Answer Question No. 1is compulsory (15)

Answer ONE question from each Unit (4 × 15 = 60)

1) a) Define End block.

b) Define pre – stress.

c) What is an anchor?

d) What is Axial pre-stressing?

e) What is full pre-stressing?

f) Define creep.

g) Define De-bonding.

h) Give the value of normal loss of stress in steel.

i) Give formula for loss due to creep in creep coefficient method.

j) Name all the types of losses in pre-tensioning system.

k) Give formula for Loss due elastic deformation.

l) Name any 4 systems of post-tensioning.

m) What is a tendon?

n) What is an end block?

o) Give formula for loss due friction.

Unit - I

2) Explain pre-tensioning and post-tensioning in detail.

OR

3) A PSC beam 250 mm wide and 360 mm deep has a span of 12mm. The beam is

prestressed by steel wires of area 350 mm2 provided at a uniform eccentricity of

60mm with an initial prestress of 1250mm2. Determine the % of stress in the

wires if the beam is : (a) Pre-tensioned (b) Post-tensioned

Parameter Pre-tensioned Post-tensioned

210 kN/m 210kN/m

35 kN/m 35kN/m

Ultimate creep strain 45 × 22 ×

Shrinkage 300 × 215 ×

Relaxation 5% 5%

Anchorage slip ------- 1.25

Unit - II

4) A simply supported PSC beam of span 6m is of symmetrical I section. The beam

is 300mm deep. Each flange is 300mm × 60mm while the web is 60mm thick.

The beam is provided with 60 wires of 2.50mm diameter equally distributed in

the top and bottom flanges. The beam has to support a super-imposed load

(including self-weight) of 2 kN/m. A moving point load causes an additional

bending moment of 5.60kNm. The initial prestress in the wires is 1075 N/m .

Calculate the stresses at end and mid sections.

OR

5) A concrete beam with a cross – section area of 32 103 m and radius of

gyration of 72mm is prestressed by a parabolic cable carrying an effective stress

of 1000 N/m The span of the beam is 8m. The cable, composed of 6 wires of

7mm diameter has an eccentricity of 50mm at the centre and zero at the supports.

Neglecting all losses and the central deflection of the beam as follows: Self -

weight + prestress and Self - weight + prestress + live load of 2kN/m.

Unit - III

6) Briefly outline the basic principles underlying the dimensioning of flexural

members. How do you select the preliminary dimensions of prestressed concrete

sections.

OR

7) Design a post – tensioned prestressed concrete 2 – way slab, 6m × 9m, with

discontinuous edges, to support an imposed load of 3kN/ . Cables of 4 wires of

5mm diameter carrying an effective force of 100kN are available for use. Design

the spacings of cables in the two directions and check for the safety of the slab

against collapse and excessive deflection at service loads.

Assume fck = 40N/m , = 1600N/m and = 38kN/m .

Unit - IV

8) Explain in detail: Guyon’s method, Magnel’s method.

OR

9) Briefly outline the Magnel’s method of computing the horizontal and transverse

stress in end blocks subjected to concrete force from anchorage. The end block of

a prestressed concrete beam 100mm wide and 200mm deep, supports an

eccentric prestressing force of 100kN, the live of action of which win ides with

the bottom kern of the section. The depth of the anchor plate is 50mm. Compute

the maximum tensile stress and the total splitting tension using Guyon’s method.

��

(DCE416/2)


(Examination at the end of IV Year First Semester)

CIVIL ENGINEERING

Paper - VI : Structural Dynamics

Time : Three hours Maximum : 75 marks

Answer question No. 1 is compulsory (1x15=15)

Answer ONE question from each unit. (4x15=60)

1. (a) Define analytical model.

(b) Define mass moment of Inertia.

(c) What is the basic concept of vibration ?

(d) State degrees of freedom.

(e) What are dynamic parameters ?

(f) Define critical damping.

(g) Define Resonance.

(h) Mention the characteristics of Simple Harmonic Motion. (SHM)

(i) Define magnification factor.

(j) List out the vibration measuring instruments.

(k) Define Impulsive loading of SDOF system.

(l) Write Duchamets Integral of Impulsive loading.

(m) What is meant by coupled stiffness matrix ?

(n) What is meant by “moment resisting” frames ?

(o) How response of a shear building to the foundation motion is conveniently obtained?

UNIT - I

2. A steel beam simply supported has a span of 0.5 m. The cross-section is 50 mm wide and 5 mm

deep. This is connected at mid-span by means of a spring having a stiffness of 50 N/mm and a

load of 1.5 kN is applied at the other end of the spring. Determine the natural frequency of the

system. Take E = 2.1x105 N/mm2. (15)

OR

3. Define critical damping. Derive the solution of the signle-degree-of freedom system with

damping

(a) Less than critical and (7)

(b) More than critical. Draw the response curve. (8)

UNIT - II

4. A delicate instrument weighing. 500 N is to be mounted on a rubber pad to the floor of a test

laboratory where the vertical acceleration is 0.1 g at a frequency of f = 10Hz. It has been

determined experimentally that the ratio of the stiffness, k, to the damping coefficient, c is

equal to 100 per sec for the type of rubber pad material used in the isolation. What is the

stiffness of the isolation required to reduce to 0.01 g the acceleration transmitted to the

instrument ? (15)

OR

5. (a) Explain briefly the Impulsive loading and Duhamel’s integral. (8)

(b) Write a brief note on numerical evaluation of Duhamel’s integral undamped system. (7)

UNIT - III

6. Derive the Reyleigh formula in terms of deflections for finding the fundamental frequency of a

discrete mass sytem. (15)

OR

7. Explain improved Rayleigh’s method taking an example of any two storey frame. (15)

UNIT - IV

8. Define Shear Building. Derive stiffness equations to 3 storey shear building and write the

important assumption made in the analysis. (15)

OR

9. (a) What is meant by a shear frame ? Mention the advantages and disadvantages of the

same. (8)

(b) Explain briefly how frequency is affected is shear buildings. (7)

��

(DCE416/C)


(Examination at the end of Fourth Year) (First Semester)

Civil Engineering

Paper - VI : FINITE ELEMENT ANALYSIS


Answer Q.1 is compulsory [15]

Answer one question from each unit. [4 X 15 = 60]

1) Answer all the following:

a) Distinguish between plane stress and plane strain.

b) Discuss the advantages and disadvantages of FEM over classical

methods.

c) State and explain generalised Hook’s law briefly.

d) Explain the term ‘Axi-symmetric problems’.

e) Define Stiffness matrix.

f) What is skyline storage matrix?

g) Explain the term “constant strain triangle”.

h) Why polynomial terms are preferred for shape functions in FEM?

i) Why polynomial slope functions should justify geometric isotropy of

geometric invariance?

j) Differentiate between global coordinates and local coordinates.

k) What is saint Venant principle of stress concentrations to design support

handling systems?

l) Write compatibility equations in terms of strain.

m) What is descretisation?

n) Explain the effect of element aspect ratio on accuracy.

o) Write any two applications of FEM in civil engineering.

UNIT - I

2) a) Explain the practical application of finite element method.

b) Explain with neat sketches, various types of finite elements those can be

used in FEModeling a one, two and three dimensional engineering

applications.

OR

3) a) Explain the convergence and compatibility requirements of a displaced

functions.

b) The element shown in figure (1) is subjected to a temperature change of

100C. If has coefficient of thermal expansion α = 7x10

-6cm/cm

0C. The

thickness of the element is 2 cm. Poisson’s ratio = 0.3 and E = 200

GPa.

Find the load due to temperature change. Assume plane stress condition.

UNIT – II

4) a) Explain the Pascal’s triangle, indicate how it is used in the selection of the

order of 2-D polynomial displacement functions, identification of various

levels in complicated problems.

b) Formulate relation between force stiffness and displacement for a

continuous beam shown is the Figure 2.

OR

5) a) Explain the significance of Constant Strain Triangular (CST) elements.

b) Derive expressions for the natural coordinates in a CST element.

UNIT - III

6) a) Derive the Stiffness for a beam element using direct Stiffness method.

b) Explain and compare between lumped loads and consistent loads.

OR

7) A two dimensional plate shown in the following Figure (3) is subjected to a

linearly varying load. Analyse the problem using CST elements.

E = 2.1 x 1012

N/m2 µ = 0.35.

UNIT - IV

8) Compute the Stiffness matrix using isoparametric formation for the following

six noded element given in

Figure 4. Take E = 2 x 1010

N/m2 t = 2.0 cm µ = 0.3.

OR

9) Explain briefly the following:

i) Discretisation of structure.

ii) Mesh refinement Vs. High order element.

iii) Coordinate system is FEM.

��

(DCE 421)

B. Tech. DEGREE EXAMINATION, DEC. 2013

(Examination at the end of Fourth Year)(Second Semester)

Civil Engineering

Paper – I : ADVANCED DESIGN OF STRUCTURES


Answer all questions

All questions carry equal marks

UNIT - I

1) Design top dome and top ring beam an Intze-type water tank of capacity 1.5

million litres, supported on an elevated tower comprising 6 columns. The base of

the tank is 12m above the ground level and depth of the foundations is 1m below

ground level. Adopt M 20 grade of concrete and Fe 415 grade HYSD bars and

show the reinforcement details.

OR

2) Design a tank wall where My=109 kN/m (at mid-height x =a/2 and y = b/2). The

shear on the adjacent slab, V = 92 kN/m. Assume fck = 25 N/mm2, fy = 415

N/mm2 having 10m x 10m as dimension of tank in plan and 5m deep,

environment is class B. Design by limit state method. Assume suitable data.

UNIT - II

3) Design a balanced cantilever bridge for the following data:

Main span, centre to centre of bearing : 32m

Cantilever span : 8m

Suspended length : 16m

Clear width of roadway : 7m

The bridge is to be designed for one lane of class A loading and 2 lanes

of class A loading. Use M20 concrete mix. Take unit weight of concrete as 24000

N/m3.

OR

4) A slab culvert is proposed to pass a peak flow from a catchment area of 2 Sq.

km., with a return period of 10 years. Using the IDF function, compute the

magnitude of the peak flow.

UNIT - III

5) Design a T-beam bridge for the following data:

Clear width of roadway = 7m

Span centre to centre of bearings = 16m

Live load = one lane of class AA or two lanes of class A loading

Average thickness of wearing coat = 8cm

Use M20 concrete for deck slab and M15 concrete for beams. Take unit

weight of concrete as 24000 N/m3.

OR

6) Design the cantilever portion of a T-beam for the following data:

Width of carriage way = 7m

Width of kerb = 800mm

No. of longitudinal girders = 3

Width of longitudinal girder = 350mm

Spacing of longitudinal girder = 2.15

Thickness of wearing coat = 100mm

Materials = M35 & Fe-415

Loading = IRC Class ‘A’

UNIT - IV

7) Explain:

a) Materials for piers.

b) Back fill behind abutment.

OR

8) Design a central pier for the following data:

Super-structure = T-beam bridge 25m span.

Foundation = Well foundation

Dead load from each span = 2500kN

Mean velocity of flowing water = 1000kN

Materials = 2.75mps

Design straight length of pier.

UNIT - V

9) Explain different types of bridge bearings.

OR

10) Design a well foundation for a bridge.

Internal diameter of well = 2.78m

Soil strata = Sandy

Depth of well = 25m below natural bed of river

Assume suitable materials and sketch the design.

��

(DCE 422)

B.Tech. DEGREE EXAMINATION, DEC. 2013

Examination at the end of IVth Year

CIVIL ENGINEERING

Paper – II : Construction Management


Answer Question No.1 compulsory [15 x 1 = 15]

Answer ONE question from each Unit [4 x 15 = 60]

1) a) Define project.

b) Define Network.

c) Expand CPM and PERT.

d) Define Slack.

e) What is documentation?

f) Define Safety Budgeting.

g) Expand MIS.

h) What is a bond?

i) What is Equity?

j) What is payback period?

k) What is a Quality control circle?

l) What is meant by Float?

m) What is Activity time?

n) What is a Time estimate?

o) What is a Mile chart?

UNIT – I

2) a) What are the main causes of project failure?

b) List out several steps involved in planning.

OR

3) With the help of the list of activity dependencies given below, draw an accurate

network using not more than one dummy activity.

Activity Predecessor Activity Predecessor

A - E C and D

B - F D

C A G A

D B and G H E

UNIT – II

4) a) What are the objectives of network techniques?

b) What are the types of networks?

OR

5) Differentiate CPM and PERT.

UNIT - III

6) What are the objectives of material management?

OR

7) Explain in detail: Material procurement, Stores management.

UNIT – IV

8) List out several Quality assurance techniques.

OR

9) Explain in detail

a) Business cycle.

b) Assets

c) Discounted flow analysis

��

(DCE 423)


(Examination at the end of IVth Year Second Semester )

Civil Engineering

Paper – III : TRANSPORTATION ENGG - II


Answer Question No.1 compulsorily (5× 3 = 15)

Answer ONE Question from each unit (4×15=60)

1) a) What is tongue rail?

b) What is tongue length?

c) What is gradient compensation?

d) What are the objects of signaling?

e) What is negative super elevation?

f) What are the types of water transportation?

g) What is coning of wheels?

h) What are composite Break waters?

i) Differentiate between jetty and wharf?

j) What are the advantages of welded rails?

k) What are ‘A’ Class sections?

l) What is the function of switch tie plate in location of points?

m) How is creep measured?

n) What are roaring rails?

o) Define transit Sheds?

UNIT-I

2) a) What are the different types of rails .Explain.

b) Write a note on sleeper density.

OR

3) a) Write a detailed note on classification of sleepers in railways.

b) write a note on speeds on curves in case of railways.

UNIT-II

4) a) Explain briefly about rail fastenings.

b) Write a note on negative super elevation.

OR

5) a) Briefly explain the various types of signals in railway engineering.

b) Calculate the maximum permissible speed on a curve at high speed

broad gauge track having the following particulars Degree of

curve = 10; Amount of super elevation = 7.5 cm; Length of transition curve

= 145m.

UNIT-III

6) a) Write a note on computation of runway length.

b) Write a note on orientation of runway.

OR

7) a) Write a note on criterion for runway length.

b) Explain the salient features for runway length system.

UNIT-IV

8) a) What is a Harbour? How are harbours broadly classified?

b) What are breakwaters? Describe the different types of breakwaters with

sketches.

OR

9) a) What is dredging? How are dredging works classified?

b) What are fixed navigational structures? Draw a neat sketch of light

house explaining the functions of component parts?

. ��

(DCE424/2)


(Examination at the end of Fourth Year Second Semester)

CIVIL ENGINEERING

Paper - IV : Advanced Environmental Engineering

Time: 03 Hours Maximum Marks: 75

Answer Question No.1 Compulsory (15)

Answer any ONE question from each unit (4x15=60)

1) Explain the following

a) Sanitation

b) Dissolved Oxygen

c) Stream water

d) Oxidation ditch

e) Characteristics of sugar plant

f) Nitrification

g) An-aerobic filters

h) Primary Pollutants

i) Air Pollution

j) Wind speed

k) Humidity

l) Cyclones

m) Scrubbers

n) Control of Noise

o) Plum behavior

UNIT - I

2) Explain the impact of pollutants on stream water and describe the usage of stream

water with reference to flora and fauna?

OR

3) a) Explain the Biological Kinetics of waste water?

b) Write notes on extended aeration process.

UNIT - II

4) a) With a neat flow diagram, explain the sources and characteristics of sugar

mill wastes.

b) State any one process of treating Dairy waste water.

OR

5) a) With a neat flow diagram, explain the sources and characteristics of pulp and

paper industry.

b) State any one process of treating sugar plant waste.

UNIT – III

6) a) Explain the phosphate removal from the activated sludge process.

b) Write short notes on U-tube aeration systems.

OR

7) a) Explain the sources and classification of Air pollutants.

b) Write short notes on effects on plants with Air pollution.

UNIT - IV

8) Explain the following :

a) Temperature inversions

b) Wind direction recorder

c) Plume behavior

OR

9) Write short notes on :

a) Settling chambers

b) Sources of Noise pollution

c) Cyclones.

��

(DCE424/6)

B. Tech. DEGREE EXAMINATION, DEC. - 2013

(Examination at the end of IVth Year Second Semester)

CIVIL ENGINEERING

Paper - IV : Remote Sensing and Photo Interpretion.


Answer Question No. 1 is compulsory. (15)

Answer ONE question from each unit. (4×15 = 60)

1) a) Define electromagnetic radiation.

b) What is absorption?

c) What is the main principle of Remote Sensing?

d) What is MSS?

e) Mention different platforms of remote sensing.

f) What is geostationary orbit?

g) What is the typical height of geostationary?

h) What is photogrammetry?

i) What is spatial data?

j) What is DEM?

k) Define GIS.

l) Define black body radiation.

m) Define thematic mapper.

n) What are diffuse surfaces?

o) What is a digital image?

UNIT- I

2) Discuss in detail with neat sketches various elements involved in remote sensing

OR

3) With a neat diagram explain electromagnetic spectrum.

UNIT- II

4) Explain the following

a) Aerial photographs.

b) Ortho photography.

c) Ground truth.

OR

5) Explain briefly about different types of interpretation techniques.

UNIT- III

6) a) Enlist various application of land use/land cover analysis in water resources

applications.

b) Explain briefly various rainfall-runoff models.

OR

7) Explain how remote sensing and GIS techniques are used in drought impact

assessment and monitoring.

UNIT- IV

8) a) Explain with diagram the flow of GIS processes.

b) Define GIS along with its inbuilt subsystems.

OR

9) Describe the following

a) Layer based GIS mapping.

b) Feature based GIS mapping.

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b.tech. degree examination, dec. - 2013 (examination at ... · 2) a four storey rc building as...

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