II YR - CE - anucde.infoanucde.info/DEC2014QPS/34-2.pdfUNIT - I 2) a) Find a Fourier series to...

(DCE211)

B.Tech. DEGREE EXAMINATION, NOV./DEC. – 2014

(Examination at the end of Second Year)

CIVIL ENGINEERING

Paper - I : Mathematics - III

Time : 3 Hours Maximum Marks: 75

Answer Question No.1 is compulsory (15×1 =15)

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

1) Answer the following questions.

a) Define periodic function.

b) Write Euler’s formulae.

c) Define even function and give an example.

d) Find ao in the Fourier series of f(x) = x sinx, in the interval 0 < x < 2π.

e) State the modulation theorem of Fourier transform.

f) Define Fourier cosine integral of f(x).

g) Define Fourier sine transform.

h) Show that ∇ = 1 – E–1.

i) Define averaging operator μ.

j) Show that δ = .

k) State Newton’s forward interpolation formula.

l) Write Gauss backward interpolation formula.

m) Write Newton’s divided difference formula.

n) Write Trapezoidal rule.

o) Write Simpson’s rule.

UNIT - I

2) a) Find a Fourier series to represent f(x) = x – x2 from x = -π to x = π.

b) Show that the expansion in Fourier series of

in –π < x < π is

2

1

cos 2

4 1n

nx

n

∞

= −∑ .

OR

c) Find the Fourier series to represent f(x) = x2 – 2, when -2 ≤ x ≤ 2.

d) Obtain a half range cosine series for

UNIT - II

3) a) Find the complex form of the Fourier series for the function f(x) = cos ax, -π < x < π .

b) Express the function

as a Fourier integral.

Hence evaluate0

sin cos.

xd

λ λ λλ

∞

∫

OR

c) Find the Fourier series of x2 in (-π, π). Use Parseval’s formula to prove that

……..

d) Find the Fourier sine transform of

Hence show that .

UNIT - III

4) a) Find by Newton-Raphson method, a root of the equation x3 – 5x + 3 = 0 correct to 3 decimal places.

b) Use Bessel’s formula to obtain y25, given y20 = 24, y24 = 32, y28 = 35, y32 = 40.

OR

c) Find the cubic polynomial which takes the following values:

x: 0 1 2 3

f(x): 1 2 1 10

Hence or otherwise evaluate f(4).

d) Use Gauss’s forward formula to evaluate y30, given that y21 = 18.47, y25 = 17.81,

y29 = 17.10, y33 = 16.34 and y37 = 15.5.

UNIT - IV

5) a) Using Lagrange’s interpolation formula find the value of y when x = 10, if the

following values of x and y are given:

x: 5 6 9 11

y: 12 13 14 16

b) For the following values of x and y, find the first derivative at x = 4.

x: 1 2 4 8 10

y: 0 1 5 21 27

OR

c) Using Newton’s divided difference formula find f(9), from the following values:

x: 5 7 11 13 17

f(x): 150 392 1452 2366 5202

d) Evaluate , by using Simpson’s rule.

� � �

(DCE212)

B.Tech. DEGREE EXAMINATION, NOV./ DEC. 2014


CIVIL ENGINEERING

Paper - II : Building Materials and Constructions


Answer question no.1 compulsorily (15)

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

1) a) What is hardness

b) How are rocks physically classified.

c) What is texture of a rock

d) Write any two uses of stones.

e) Define a quarry?

f) State the harmful ingredients in brick earth.

g) How are bricks dried.

h) What are the constituents of lime stones

i) How are trees classified.

j) Enumerate the various defects is timber.

k) Write any two factors which affect physical properties of steel.

l) Enumerate the different types of paints.

m) Write any two factors effecting selection of foundation.

n) List out the methods of providing DPC under different situations.

o) List out the types of flat roofs.

UNIT - I

2) a) Write about the uses of building stones.

b) Write about manufacture of brick by any one method.

OR

3) a) Write about the characteristics of good lime.

b) Describe the methods of quarrying with hand tools.

UNIT – II

4) Classify and describe knots found in timber based on size, form and quality.

OR

5) a) Describe about any three types of paints commonly used for painting different surfaces.

b) Describe the various sound absorbent materials.

UNIT - III

6) a) What is the purpose of footing.

b) Explain in detail about isolated footings with neat sketch.

OR

7) a) Explain in detail about Rubble and Ashlar masonry.

b) What is the purpose of partition wall?

UNIT - IV

8) Write about different types of floors and explain about concrete flooring in detail.

OR

9) a) What is the purpose of formwork? Explain in detail.

b) Explain with a neat sketch about King post truss.

� � �

(DCE 213)



CIVIL ENGINEERING

Paper - III : Surveying - I


Question no.1 is compulsory (15)

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

1) a) Define Base Line.

b) Define Offset.

c) Define Magnetic Dip.

d) What is meant by Orientation?

e) Define Contour

f) What is a scale?

g) What is meant by well conditioned triangle?

h) What is meant by Cadastral Surveying?

i) What is an Isogonic Line?

j) What is the check for sum of the exterior angles in a closed traverse?

k) What are the different methods for plotting of a traverse?

l) What are the instruments used for measurement of areas of an irregular areas on maps?

m) What is a meridian?

n) What is a Representative Factor?

o) What is a Map?

UNIT - I

2) a) What is surveying? What is its objective? Explain the importance of it in Civil

Engineering.

b) Describe plane and Geodetic Surveying clearly bringing out difference between

them.

OR

3) a) Explain the principle on which chain survey is based.

b) What factors should be considered in deciding the stations of a chain survey?

UNIT – II

4) a) List out temporary and permanent adjustment of a theodolite? Also name the

fundamental axes of a theodolite and state the relationship that must exist between

them when the instrument is in adjustment.

b) List out the method used to measure the horizontal angles by using a theodolite.

Explain any one method in detail.

OR

5) a) Give a list of the permanent adjustments of a transit theodolite and state the object of

each of the adjustment. Describe how you would make the Trunnion axis

perpendicular to the vertical axis

b) When would you suggest a Theodolite traversing by the method of deflection angles.

Explain with neat sketch

UNIT - III

6) a) What are different methods of plane tabling? Under what circumstances they are

preferred? Also give salient features of these methods.

b) List out the different accessories of plane table surveying. Also explain the purpose

for which they are used

OR

7) a) What is declination? What are different types of variations in declination?

b) The bearings of sides of a transverse ABCDEA are as follows.

Compute interior angles and apply checks

1. Side 2. F.B 3. B.B

4. AB 5. 150010’ 6. 285010’

7. BC 8. 20020’ 9. 200020’

10. CD 11. 275035’ 12. 95035’

13. DE 14. 179045’ 15. 359045’

16. EA 17. 120050’ 18. 300050’

UNIT - IV

8) a) Explain briefly fly levelling and reciprocal levelling.

b) The following readings were taken with a level in sequence as follows: 1.585, 1.315,

2.305, 1.225, 1.325, 1.065, 1.815 and 2.325. The level was shifted after the third and

sixth readings. The second change point was a bench mark of elevation 150.375m.

Find the reduced levels of the remaining stations. Use the rise and fall method.

OR

9) a) Describe various methods of contouring. Discuss the merits and demerits of each.

b) Explain the Ceylon Ghat Tracer concept.

� � �

(DCE214)

B.Tech. DEGREE EXAMINATION, NOV./ DEC. - 2014


CIVIL ENGINEERING

Paper - IV : Strengths of Materials - I


Answer question no.1 is compulsory (15×1=15)


1) a) What is shear stress and shear strain?

b) Define Rigidity modulus.

c) What do you mean by ultimate stress and working stress.

d) Define Poisson’s ratio.

e) Define bending moment and shear force at any section of a beam.

f) In case of beam, where the B.M occurs.

g) Point of Contraflexure occurs only in overhanging beam. Give reasons.

h) What is axial force diagram?

i) Define bending stress.

j) Draw shear stress distribution diagram for I-section with equal flanges.

k) What do you mean by torque?

l) What is the function of torsion bar?

m) What do you mean by torsional rigidity?

n) Write any two assumptions made in the theory of pure torsion.

o) What is meant by stiffness of a spring.

UNIT - I

2) a) Obtain the relationship between Modulus of Elasticity, Modulus of Rigidity and Bulk

modulus?

b) A circular rod is 120mm diameter at one end and 250mm at the other end is fixed at

both ends. Determine the stresses induced, if the temperature of the rod is raised by

500o C. Take E= 2×105 N/mm2 and α = 1.2×10-5 / oC.

OR

3) a) What do you mean by stress and strain? Derive a relation between stress and strain.

b) A reinforced column 250×250mm reinforced by four reinforcement bars of 25mm

diameter. If the stress in concrete be 70 N/mm2, find the axial load carried by the

column. Take m= 13.

UNIT – II

4) Draw the SFD and BMD showing the salient values for the loaded beam shown in figure (1)

OR

5) a) How will you draw the SFD and BMD for a beam subjected to inclined loads?

b) Derive the relation between shear force, bending moment and intensity of load at a

section of a beam.

UNIT - III

6) A beam of 120mm square cross section is used with a diagonal in a vertical position. If

the vertical shear force at a section is 1600N, find the shear stress at the neutral axis and

the maximum shear stress occurring and its location in the cross-section.

OR

7) A Cantilever of beam I section in 6m long and is used as a cantilever. The beam is

subjected to a uniformly distributed load of 12KN/m over the entire span. The section of

the beam is as follows.

Top flange : 200mm × 50mm deep

Bottom flange : 400mm × 60mm deep

Web : 50mm × 200mm deep

Determine the maximum bending stresses in the beam and draw the bending stress

distribution across the cross section. Take E = 2×105 N/mm2.

UNIT - IV

8) A sheel shaft is transmitting 200kw at 120r.p.m. The allowable shear stress and twist are

respectively 120MPa and 20 per meter length of shaft. Find the required diameter, if solid

and hollow shafts are used. The diameter ratio of the hollow shaft is 0.75. What will be the

percentage saving in hollow shaft? Take C=105 MPa.

OR

9) A closely coiled helical spring is made up of 10mm diameter wire and 100mm coil

diameter. The number of coils be 12. Find the bending stress induced in the wire and

increase in the number of turns, if it is subjected to a twisting moment of 50N-m. Take E

= 2.1×105 N/mm2.

� � �

(DCE 215)

B. Tech. DEGREE EXAMINATION, NOV./DEC. – 2014


CIVIL ENGINEERING

Paper - V : Fluid Mechanics

Time : 3 Hours Maximum Marks : 75

Answer question No.1 is compulsory (15)

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

1) a) Define Viscosity.

b) Differenciate between surface tension and capilarity?

c) What is a Manometer?

d) Define centre of pressure?

e) Distinguish between stream function and velocity potential?

f) List out various types of losses?

g) Define water hammer?

h) What is meant by a flow net?

i) What is acceleration.

j Define coefficient of discharge?

k) What is the shear strees at boundary in a pipe flow?

l) What is meant by Siphon?

m) Give the expression for Hagen Poiseulle formulae?

n) Define Density?

o) What is specific gravity?

UNIT – I

2) a) Define surface tension. Prove that relationship between surface tension and

pressure doplet of liquid in excess of outside pressure is given by d

σ4P= .

b) Determine the specific gravity of a fluid having viscosity 0.05 poise and kinematic

viscosity 0.035 stokes.

OR

3) How will you determine the meta-centric height of a floating body

experimentally? Explain with neat sketch.

UNIT – II

4) Explain the following terms:

a) Velocity potential and stream function.

b) Free vortex and forced vortex flow.

c) Convective and local acceleration.

d) Equation for acceleration and its continuity equation.

OR

5) a) Explain the method of measurement of velocity by pitot tube?

b) Explain Momentum principle?

UNIT – III

6) a) Explain the classification of Mouth pieces and orifices?

b) An orifice meter with orifice diameter 10cm is inserted in a pipe of 20cm

diameter. The pressure guages fitted upstream and downstream of the orifice meter

give the readings of 19.62 N/cm2 and 9.81 N/cm2 respectively. Cd = 0.6 is taken

for meter. Find the discharge of water through the pipe?

OR

7) Explain the Boundary layer concept and its separation with neat sketches?

UNIT – IV

8) Explain various types of losses in pipe flow with neat sketches?

OR

9) An oil of viscosity 0.1 Ns/m2 and relative density 0.9 is flowing through a circular

pipe of diameter 5cm and of length 300m. The rate of flow of fluid through the pipe is

3.5 liters/sec. Find the pressure drop in a length of 300m and also the shear stress at the

pipe wall?

��

(DCE 216)

B. Tech. DEGREE EXAMINATION, NOV./DEC. – 2014


CIVIL ENGINEERING

Paper - VI : Engineering Geology


Question No.1 compulsory (15×1=15)

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

1) a) Define Erosion.

b) List out the branches of geology.

c) Write the meaning of geological processes.

d) List out the agents of erosion.

e) Write any two importance of the process of erosion

f) How igneous rocks are formed.

g) List out the types of metamorphism.

h) List out the engineering classification of rock mass.

i) Write any two engineering properties of rocks.

j) Write any two effects of folds.

k) List out the classification of land slides.

l) Define soil degradation.

m) How ground water quality is checked.

n) What is the importance of mining activity.

o) What is the importance of geophysical methods.

UNIT – I

2) Explain briefly four case histories of civil engineering constructions failed due to

geological aspects.

OR 3) a) Define ‘Mineral’. How are the minerals classified?

b) Explain the physical properties of the following minerals (i) Feldspar

(ii) Hornblende (iii) Tale (iv) Biotite.

UNIT – II

4) Explain the most common structures of Igneous and metamorphic rocks.

OR

5) a) What do you understand by the terms texture and structure of rocks.

b) Explain, with the help of neat sketches important textures of igneous rocks

and also possible causes for their formation.

UNIT – III

6) a) Define the geological structure “Unconformity” found in the rocks and

explain the parts of an unconformity through a neat sketch.

b) Explain the different types of “Unconformities” with the help of neat

sketches.

OR

7) a) Write briefly the classification and causes of earth quakes.

b) What precautionary measures you take in the construction of dams in earth

quake prone zones?

UNIT – IV

8) Explain the geological factors influencing water tightness and life of

reservoirs.

OR 9) Write short notes on:

a) Purposes of tunneling. b) Lining of tunnels. c) Over break.

��

(DCE 221)



CIVIL ENGINEERING

Paper - I : Concrete Technology


Answer Question No.1 is Compulsory (15)

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

1) a) List any two reasons for the use of concrete as a building material.

b) How are light weight and heavy weight concrete produced.

c) What are the stages of transformation of fresh concrete to hardened concrete.

d) What is the effect of repeated loading on concrete.

e) What is clinker and how is it produced.

f) What are the important chemical tests conducted on cement.

g) What are super plasticizers and write its importance.

h) How does a surface – active agent increases workability.

i) Define segregation.

j) What is meant by autogenous healing of concrete.

k) Write any two causes for corrosion of steel in concrete.

l) What is cathodic protection.

m) Write any two techniques used to achieve high strength.

n) How does silica fume help in reducing bleeding of concrete.

o) Write any two uses of polymer concrete.

UNIT - I

2) a) Describe the role played by gypsum in the hydration reaction of cement.

b) Describe the importance of the quality of water used for concreting.

OR

3) a) Write explanatory notes on (i) uniform grading (ii) gap grading and

(iii) continuous grading.

b) Describe a test to determine the initial moisture content of fine aggregate in the construction site.

UNIT – II

4) a) State and explain Abram’s w/c ratio law. Discuss its limitations.

b) Draw the normal curves depicting the variation of compressure strength of concrete with w/c ratio and cement/water ratio.

OR

5) a) What do you understand by the term workability?

b) Discuss the various factors affecting the workability of concrete.

UNIT - III

6) a) Explain the static modulus of elasticity can be determined experimentally.

b) Discuss about the relation between modulus of elasticity and strength of concrete.

OR

7) a) Explain how the Poisson’s ratio can be determined by ultra sonic pulse velocity test.

Suggest the equation also.

b) What are the various factors affecting the Poisson’s ratio of concrete.

UNIT - IV

8) a) What are the various methods of producing light weight aggregate

artificially?

b) Why light weight concrete is preferred for constructing partitions in multistorey buildings? Explain with respect to their physical characteristics of light weight aggregate concrete.

OR

9) List out various steps involved in the proportioning of concrete mix by ISI method.

� � � �

(DCE 222)



CIVIL ENGINEERING

Paper - II : Building Drawing


Answer ONE question from each unit

UNIT - I

1) a) What are the requirements of living room and bed room. [10]

b) Explain in detail the factor to be considered for selection of a site for

residential building. [10]

OR

2) a) What are the building bye laws? Explain briefly. [10]

b) What is the significance of open space requirements? Indicate the criteria for deciding maximum permissible height of a building. [10]

UNIT - II

3) Draw to scale the elevation and section of a glazed window for 1200 mm high and 2000mm wide opening in a brick wall of 300mm thick. Assume other data. [20]

OR

4) A Mandal revenue office is to be built at a site of 70m × 60m. The shorter dimension is along E-W, facing the road. [20]

Draw a line diagram of the building to accommodate.

i) Officers room ii) Two office rooms iii) One verandah and iv) One store room

Briefly explain the principles of your planning.

UNIT - III

5) The line sketch of a plan of a residential building is shown in fig.1 Draw [15+10+10]

a) A neat dimensioned plan. b) Sectional along AB to a suitable scale. c) Front elevation.

Using the specification given

Specifications – Foundations : CC 1 : 4 : 8 800mm wide and 300 mm thick.

Footings - Rubble stone masonry : 600mm × 500mm

Basement – Coursed rubble masonry : 400mm wide and 700 mm high.

Super Structure : Brick work in C M (1.5), 300 wide and 300mm high.

RCC Roofing : 100 mm thick. Provide door, windows, ventilator, lintels and sun shades as per standard dimensions.

OR

6) A library building for a college with the following requirements. [15+10+10]

Ground floor : Journal section - 20sq.m

Librarian’s room - 20sq.m

Reading room - 30sq.m

Entrance - 12sq.m

First Floor : Staff room - 12sq.m

Book bank section - 20sq.m

Book section - 30sq.m

Counter space for receipt issue of books - 30sq.m

(The area requirement is approximate).

Suitable passage, staircase, laboratory maybe provided. Draw ground floor and first floor

plans and elevation to a scale of 1 : 50.

� � � �

(DCE 223)



CIVIL ENGINEERING

Paper - III : Surveying - II


Question No.1 is Compulsory (15)


1) a) What is a tacheometer?

b) What is the Simpson’s rule for calculation of an area?

c) What is a zero circle?

d) What are the K and C value for a tacheometer fitted with anallactical lens?

e) What is a two level section?

f) What is the source of errors in theodolite traverse?

g) What is a curve?

h) Define the term centering?

i) What is the relationship between radius and degree of a curve?

j) What is a reverse curve?

k) What is the axis of plate level?

l) Define horizontal plane?

m) What is the principle of EDM?

n) What is a traverse?

o) What is the Simpson’s rule for calculation of an volume of a reservior?

UNIT - I

2) a) What are the uses of an electronic total station?

b) Describe the fast needle method of theodolite traversing.

OR

3) a) Distinguish between Loose needle method and Fast needle method.

b) What do you understand by a Gales Table? How are its calculations made?

UNIT – II

4) a) List the general methods of calculating area.

b) Explain any one method giving its advantages, limitation and suitability for a given

type of work.

OR

5) Find out the volume of earthwork in a road cutting 120 m long from the following data:

The formation width = 10 m;

Side slopes = 1 to 1;

Average depth of cutting along the center line = 5 m

Slope of ground in cross section = 10 to 1.

UNIT - III

6) a) Derive the distance and elevation formulae for an inclined line of sight with an angle

of elevation and an angle of depression, staff is held vertical.

b) Vertical angles were measured to vanes fixed at the 1-m and 4-m marks of a staff held

at a station Q from the instrument kept at a station P. The vertical angles were 3030 ′ and 6015′. The reading on a BM of RL 985.550 m from P was 2.345 m. Find the horizontal distance PQ and RL of Q.

OR

7) In order to ascertain the elevation of the top (Q) of the signal on a hill, observations were

made from two instrument stations P and R at a horizontal distance 1000 meters apart, the

stations P and R being in line with Q. The angles of elevation of Q at P and R are 28042’

and 180 6’ respectively. The staff readings upon the bench mark of elevation 287.28 were

respectively 2.870 and 3.750 when the instrument was at P and at R the telescope being

horizontal. Determine the elevation of the foot of the signal if the height of the signal

above its base is 3 meters.

UNIT - IV

8) a) What is meant by Degree of curve? Derive its relationship with radius of curve.

b) If the tangents to a circular curve having 500 m radius intersect at an angle of 120o

and the chainage of point of intersection is 1520.5 m. Calculate the different

elements of a simple circular curve.

OR

9) a) What do you understand by horizontal control? What are the different methods of

establishing a horizontal control?

b) Differentiate between triangulation and traversing.

� � � �

(DCE224)



CIVIL ENGINEERING

Paper - IV : Strength of Materials-II


Question No.1 compulsory (15×1=15)


1) a) Define principal stress.

b) Define major and minor principal planes.

c) How the principal planes and principal stress are found in a load beam.

d) List out two methods for determining stresses on sections oblique to the line of action

of external forces.

e) What is Mohr’s circle?

f) What does radius of the Mohr’s stress circle indicates?

g) What do you mean by longitudinal stress?

h) State the criteria for a thin cylinder.

i) Write the basic concept of maximum strain energy theory.

j) What is the difference between strut and column?

k) What do you mean by clippling load?

l) List out any two assumptions made in the Euler’s theory.

m) Define the term slenderness ratio.

n) Write the basic differential equation of the elastic curve.

o) State Mohr’s theorem – II.

UNIT - I

2) Explain clearly the Mohr’s circle method. Of finding out stresses in a rectangular element

subjected to normal stresses f1 and f2 and shear stress ‘S’. using the same method, find out

the principal planes and principal stresses.

OR

3) A point in a strained material is subjected to a normal tensile stresses of 100MPa and

200MPa and a shear stress of 300MPa. Find out the stress acting on a plane making an

angle of 45o with the axis of the first normal stress. Also find the principal stresses.

UNIT – II

4) a) Derive an equation for the maximum and minimum stresses at the base of a dam

having trapezoidal section.

b) What assumptions are made in Rankine’s theory of earth pressure? What is the basic

difference between Rankine’s theory and Coulomb’s wedge theory?

OR

5) A thin cylindrical boiler is of internal diameter 2m, thickness of meters 12mm and the

permissible tensile stress of plate is 90N/mm2. The efficiency of longitudinal joint and

circumferential joint are 60% and 45% respectively. Calculate the permissible steam

pressure, and the longitudinal and circumferential stresses in the solid plate.

UNIT - III

6) Find Euler’s critical load for a hollow cylindrical cast iron column 250mm extenal

diameter and 25mm thick, 5mts long and hinged at both ends. Take E=8×104 N/mm2. For

what length the critical load by Euler’s and Rankine’s formula be equal? Take Fc=600

N/mm2 and α= 1

1600.

OR

7) Write a brief note on the following:

a) Maximum normal stress theory

b) Maximum shearing stress theory.

UNIT - IV

8) Discuss the Macaulay’s method. Determine the maximum slope and deflection of a beam

carrying an eccentric point load.

OR

9) A beam ABC is simply supported at A and B and free at C. AB = 4mts and BC=1m. A

point load of 20kN is applied at the midspan of AB, and another point load 5kN is applied

at ‘C’. Find the deflection at the centre of AB. The moment of inertia for AB is I and BC is

2I. Use the conjugate beam method.

� � �

(DCE 225)



CIVIL ENGINEERING

Paper - V : Hydraulics & Hydraulic Machines


Answer Question No.1 Compulsory (15)


1) a) Define specific force?

b) Give the Ratio of Weber number?

c) Give the Ratio of Euler number?

d) Define critical Depth?

e) What is Back water curve?

f) Define Hydraulic jump?

g) What is a rotodynamic machine?

h) What is critical slope?

i) What is the function of draft tube?

j) Define mixed flow turbine?

k) What do you mean by kinematic similarity?

l) List out losses and efficiences in a pump?

m) Define specific speed?

n) What is flow which takes place in pelton turbine?

o) Define surge?

UNIT - I

2) a) Explain Geomentrical properties of various channel sections?

b) Explain velocity distribution of various channel sections?

OR

3) Explain the concept of momentum principle applied to open channel flow and specific

force?

UNIT – II

4) a) Derive the Dynamic equation for Gradually varied flow?

b) Derive the integration of the varied flow equation?

OR

5) Define Hydraulic jump? Describe various elements and characteristics of hydraulic jump

and types of Hydraulic jump?

UNIT - III

6) a) Describe the action of jet on a stationary flat plate and moving flat plate?

b) Explain the Angular momentum principle?

OR

7) Describe the pelton wheel turbine, working principle, functioning, efficiency with neat

sketches?

UNIT - IV

8) Describe various losses and efficiences in a centrifugal pump. Compare the above with

single stage and multistage centrifugal pump based on performance?

OR

9) a) Describe Buckingham – Pi theorem?

b) The pressure drop ∆ P in a pipe of diameter D and length l depends upon mass

density e and viscosity µof the flowing fluid, mean velocity of flow V and average

height ‘K’ of roughness projections of pipe surface. Obtain a dimensionless

expression for ∆ P. Show that 2P L

8 2

f vhf

gD

∆ = = .

Where 8 = specific weight of fluid, if = coefficient of friction.

� � � �

(DCE 226)



CIVIL ENGINEERIGNG

Paper - VI : Fundamentals of Electrical Science & mechanical Science


Answer Question No.1 and 6 are Compulsory (15)

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

PART - A

Electrical Science

1) a) Advantages of AC.

b) Different types of rectifiers.

c) Principle of stepper motor.

d) Different types of Transformers.

e) What are different parts of DC generator.

f) Transmission lines.

g) List different conducting and Non conducting materials used for electrical applications

UNIT - I

2) a) Explain with the help of circuit diagram, The principle and working of full-wave rectifiers.

b) Explain the differences between stepper and servo motor with sketches.

OR

3) What is transformer? Explain about different types of transformer with applications.

UNIT – II

4) Describe the constructional details of alternator and list its advantages.

OR

5) a) Explain about stress in overhead conductors.

b) Explain the effect of wind on sag.

PART - B

6) a) Define ‘creep’.

b) Different types of costing.

c) What is soldering?

d) Operation of Boilers.

e) Application of compressor.

f) principle of stream turbine.

g) Operation of IC engines.

UNIT - III

7) What is Rolling process? Explain different rolling stand arrangements with neat sketch.

OR

8) a) What are the different operations performed on drilling machine. Explain.

b) Explain about belt drive transmission system.

UNIT - IV

9) a) With a neat sketch explain the principle and operation of IC engines.

b) What are the applications of multistage reciprocating air compression.

OR

10) a) What is the difference between steam Turbine and steam engine?

b) Differentiate between impulse and reaction turbines.

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(DEC227/DME227/DCE227)



ELEC & COMMU and MECHANICAL and CIVIL ENGINEERING

Paper - VII : Environmental Science


Answer Question No.1 is compulsory (15)

Answer one questions from each unit (4×15=60)

1) Write briefly on:

a) Vermi composting.

b) Green Revolution.

c) Rain water harvesting.

d) Bhopal Gas Tragedy

e) Soil Erosion

f) Ground water depletion

g) Acid rain

h) Ozone Depletion

i) Water logging

j) Land Degradation

k) Flood

l) Thermal Pollution.

m) Drought

n) Water related diseases

o) Salinity

UNIT - I

2) Discuss in detail about in-situ and ex-situ conservation of biodiversity.

(OR)

3) a) Write importance of education on environmental issues.

b) Explain need for students from all courses to be aware of environmental issues.

UNIT – II

4) Discuss in detail about nuclear hazards and thermal pollution

(OR)

5) Write note on air prevention and control of pollution and water prevention and

control of pollution.

UNIT - III

6) Write a detailed explanation about local polluted site of your choice.

(OR)

7) What control measures be taken to develop unsustainable to sustainable

development?

UNIT - IV

8) Discuss the constitution, duties and powers of the Wild Life Advisory Board

under the provisions of the Wild Life Protection Act, 1972.

(OR)

9) Discuss the salient features of the Environment Act, 1986.

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II YR - CE - anucde.infoanucde.info/DEC2014QPS/34-2.pdfUNIT - I 2) a) Find a Fourier series to...

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Transcript of II YR - CE - anucde.infoanucde.info/DEC2014QPS/34-2.pdfUNIT - I 2) a) Find a Fourier series to...