Civil Engineering

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SET-1R07Code.No: 07A50101

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.TECH – I SEM SUPPLEMENTARY EXAMINATIONS, JUNE - 2010

DESIGN OF REINFORCED CONCRETE STRUCTURES (CIVIL ENGINEERING)

Time: 3hours Max.Marks:80 Answer any FIVE questions

All questions carry equal marks - - -

1.a) What is concrete. What are the functions played by it ingredients. b) Discuss the various properties of concrete. [8+8] 2. Explain the following:

a) Limit sate of collapse. b) Factored load. c) Limit state of serviceability. d) Characteristic strength of steel. [16]

3. An isolated T-Beam has a flange width of 1000mm. flange thickness of 80mm and

effective depth of 400mm. The rib is 240mm wide and reinforced with 5 bars of 20mm diameter. Determine the moment of resistance of the section, If M 20 concrete and Fe 415 steel are used. The beam is simply supported over a span of 4m. [16]

4.a) Explain local bond and flexural bond. b) A simply supported R.C. beam, 300mm wide and 700mm deep, carries a factored UDL of

100 kN/m including self weight over a span of 6m. The beam is reinforced with 4 no's 25 mm diameter bars of grade Fe 415 on tension face. Design the shear reinforcement using vertical stirrups. Take M 25 grade concrete. Effective cover is 50 mm. [8+8]

5. A 4 m high column is effectively held in position at both ends and restrained against

rotation at one end. Its diameter is restricted to 400 mm. Calculate the reinforcement if it is required to carry a factored axial load of 1500 kN. Use M 20 mix and Fe 415 grade steel. [16]

6. Design a suitable reinforcement for a rectangular reinforced concrete column using the

following data. Cross section of column = 400mm x 600mm Axial load = 800 kN SBC of soil = 160 kN/m2

Materials : M 20 grade concrete Fe 415 grade HYSD bars. Design a suitable footing for the column and sketch the reinforcement details in the column and footing. [16]

7. Design a reinforced concrete slab for a room of size 5.5m x 4m clear in size if the super

imposed load is 5 kN/m2. Use M 20 concrete and Fe 415 steel. The edges are simply supported and corners are held down. [16]

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8. A rectangular beam has width of 250 mm and an effective depth of 700 mm. The area of tension steel provided is 3927mm2 and that of compression is 981mm2, check the deflection requirements for the beam according to IS 456-2000 if it has a simply supported span of 12 m. M 20 concrete and Fe 415 steel. [16]

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1.a) Describe elastic theory of R.C sections. b) Explain the properties of concrete in the plastic stage. [8+8] 2.a) Derive the stress-block parameters. b) Explain how the variations in loads and material strength have been accounted in the limit

state method. [8+8] 3. The beams spaced at 4 m c/c and having simply supported span of 8.5m, support the floor

slab of a hall of size 16m x 8.5m is 250 mm thick and overall depth is 500 mm. Design the beam for flexure for the following data: Live load = 4kN/m2, Floor finish = 1.5kN/m2, concrete grade M20, Steel grade Fe 500. Draw the longitudinal section and cross section at mid span. [16]

4.a) Explain Shear in reinforced concrete beams and what various types of reinforcement is

used to control it. What are their strengths? b) How do you account for shear bond failure and diagonal compression failure in design?

[8+8] 5. Determine the reinforcement to be provided in a square column 300mm x 300 mm

subjected to uniaxial bending with the following data: Factored load = 1000 kN Factored bending moment = 120 kN-m Grade of concrete = M 20 Grade of steel = Fe 415 The reinforcement is to be provided on four faces equally. Use SP 16 [16]

6. Design a footing of uniform thickness for a column of size 400mm x 400mm carrying a

load of 1200 kN. SBC of the soil is 250kN/m2. Use M 20 concrete and Fe 415 steel. Sketch the reinforcement details. [16]

7. A R.C. Slab is to be provided for a room measuring 5.8m x 5m size. The width of the

supporting beams is 250 mm, the slab carries Live Load of 4 kN/m2 and Floor Finish of 1 kN/m2. Use Concrete M 20 and steel grade Fe 500. Design the slab for the corners free to lift condition. Also draw the plan, section along short and long spans. [16]

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8. A rectangular simply supported beam of clear span 4.5m is 300mm x 500mm in cross section. It is reinforced with 4 bars of 20 mm diameter. M 20 concrete and Fe 415 steel are used. The effective cover is 40 mm, taking superimposed live load as 25 kN/m and dead load as 15 kN/m, calculate the short term and long term deflections of the beam. [16]

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1.a) Describe the properties of concrete in the hardened stage. b) Explain the significance of different grades of concrete. [8+8] 2. Explain the following:

a) Yield stress is taken as failure stress in steel and not the ultimate stress. b) Over-reinforced sections are not allowed in limit state method of design. [8+8]

3. At a particular cross section of R.C. beam 300mm x 600mm in size, a factored bending

moment of 120 kN-m, a factored shear force of 100 kN and factored torsion moment of 60 kN-m are acting. Design the necessary reinforcement using M 25 concrete and Fe 415 HYSD bars. [16]

4. Illustrate the basic concepts of shear and bond in R.C.C. sections with respect to :

a) Diagonal tension failure b) Shear-bond failure. c) Flexure bond. d) Development length. [16]

5. A square column 500 mm x 500 mm is reinforced with 2.4% steel. It is subjected to a

factored load of pu= 2000 kN and moments Mux & Muy = 200 kN-m. Check the adequacy of the section adopting M 20 concrete and Fe-415 steel. The effective cover to the steel may be taken as 50 mm and steel is to be provided equally on all the four sides. [16]

6. Design a square slopped footing to carry a column load of 2000 kN from a 400 mm square

column. Assume the safe bearing capacity of soil as 160kN/m2. Adopt a load factor of 1.5 and M 20 concrete and Fe 415 steel. [16]

7. Design a two way slab for a room 5.5 m x 4m clear in size for a superimposed load 5

kN/m2. All the edges are simply supported and corners are not held down. Use M 20 concrete and Fe 415 steel. [16]

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8. A simply supported T-beam has the following data. Effective width of flange = 1500 mm. Thickness of flange = 130 mm Width of rib = 250 mm Effective depth = 500 mm Effective span = 6 m

It is reinforced with 4 bars of 25 mm, the grade of concrete is M 20 and the grade of steel is Fe 415. Determine the short term deflection due to a total service load of 30kN/m. IS code specification may be used for taking shrinkage, strain, creep co-efficient. [16]

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1.a) Write a detailed note on aggregates used in cement concrete.

b) Discuss the salient properties of various grades of concrete as per IS: 456-1978. What are the corresponding nominal mixes? [8+8]

2. Explain the principles of:

a) Working stress method. b) Limit state method. [8+8]

3. Design an L-beam for an office to suit the following data.

Clear span = 7m Distance between column c/c = 7.45 m Spacing of T-beam ribs = 2.75 m c/c Thickness of slab = 100 mm Materials: M20 grade concrete and Fe 250 steel. L-beams are supported on RC columns. Sketch the details of reinforcements. [16]

4. Design a 4 span continuous beam of equal spans of each 4.5 m. The superimposed load on

the beam is 40 kN/m. Adopt M 20 concrete and Fe 415 steel. The width of the beam can be taken as 300mm. [16]

5. R.C. column 300mm x 500mm, reinforced with 8 bars of 20 mm dia., uniformly distributed

on all the faces is braced against side way and has unsupported length of 7m. Taking effective length ratio equal to 0.85 in both the directions, determine the maximum factored axial load carrying capacity of the column. Use M 20 concrete and Fe 415 steel. [16]

6. Design an isolated footing for an axial load of 1000 kN transmitted by the column. The

cross section of the column is 450mm x 450mm. the SBC of soil is 160kN/m2. Adopt M 20 grade concrete and Fe 415 grade steel. [16]

7. Design a reinforced concrete slab of size 6m x 4m whose one short edge is discontinuous

and corners are retained at supports. The slab has to carry a live load of 3kN/m2 and a floor finish of 1 kN/m2. Use M 20 concrete and Fe 415 steel. Sketch the details of reinforcements. [16]

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8. A rectangular cantilever beam of 3m span is 300 mm wide and 600 mm deep, and is reinforced width 3 bars of 25 mm diameter at tension side, and placed at effective cover of 50mm. It is subjected to a max. B.M. of 120 kN-m at the fixed end, out of which 50% is due to permanent loads. Check the beam for deflection. Assume grade of concrete as M 20 and grade of steel as Fe 415. [16]

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Code No :45001 SET-1

R07JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009 DESIGN OF REINFORCED CONCRETE STRUCTURES

Time: 3hours Max.Marks:80 PART-A (32Marks)

Answer any ONE question

1. A reinforced concrete beam is supported on two walls 750 mm thick, spaced at clear distance of 6 m. The beam carries a superimposed load of 9.8 kN/m. Using M 20 concrete mix and HYSD bars (Fe 415). Design the beam and draw to a suitable scale (i) Longitudinal section and

(ii) Cross section of the beam at salient points showing reinforcement details. 2. An RCC footing 500 mm x 500 mm has to support an all inclusive load of 550 kN and is also subjected to a moment of 27.5 kNm. Design a footing for the column. The safe bearing capacity of the soil is 250 kN/m2. Use M 15 concrete and mild steel reinforcement. Draw to a scale (i) Plan of the footing showing reinforcement details and (ii) Sectional elevation of column and footing showing reinforcement details.

PART-B (48 Marks) Answer Any THREE Questions All questions carry equal marks


effective depth of 400mm. The rib is 240mm wide and reinforced with 5 bars of 20mm diameter. Determine the moment of resistance of the section, If M 20 concrete and Fe 415 steel are used. The beam is simply supported over a span of 4m.

2. Design the interior span of a three span continuous beam for an imposed load of 40

kN/m. The effective span is 5m for all spans. The width of beam can be taken as 300 mm. Use M 20 concrete and Fe 415 steel.

3. A 4 m high column is effectively held in position at both ends and restrained against

rotation at one end. Its diameter is restricted to 400 mm. Calculate the reinforcement if it is required to carry a factored axial load of 1500 kN. Use M 20 mix and Fe 415 grade steel.

4. Design a suitable reinforcements for a column using the following data.

Cross section of column = 500 mm x 500 mm Axial load = 2500 kN SBC of soil = 150 kN/m2

Materials: M 20 grade concrete Fe 415 grade HYSD bars. Design a suitable footing for the column and sketch the reinforcement details in the column Section and footing.

5. Discuss in brief `short term' and `long term' deflections of R.C.Beams.

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Code No :45001 SET-2

R07JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009 DESIGN OF REINFORCED CONCRETE STRUCTURES

Time: 3hours Max.Marks:80 PART-A (32Marks)

Answer any ONE question 1. Design a singly reinforced beam to carry a class room floor over a clear span of 7 m. The

beams are supported on 400 mm thick brick walls and are spaced 2.75 m centres. The thickness of slab = 100 mm. Adopt M-20 concrete and Fe-415 HYSD bars steel. Draw to a suitable scale (i) Longitudinal section and (ii) Cross section of the beam at salient points showing reinforcement details.

2. A brick wall 300 mm thick carries a load of 180 kN/m. Design a RCC footing, if the safe

bearing capacity of soil is 120 kN/m2. Use M 15 concrete and take . Draw to a scale

2140 /st N mmσ =

(i) Plan of the footing showing reinforcement details and (ii) Sectional elevation of column and footing showing reinforcement details.



effective depth of 400mm. The rib is 250 mm wide and reinforced with 5 bars of 20 mm diameter. Determine the moment of resistance of the section, adopt M 25 concrete and Fe 415 steel.

2. Design the interior span of a three span continuous beam for an imposed load of 40

kN/m. The effective span is 6 m for all spans. The width of beam can be taken as 250 mm. Use M20 concrete and Fe 415 steel.

3. Design a short helically reinforced column of un-supported length 3.75 m to carry an

axial load of 1200 kN. Use M 20 concrete and Fe 415 steel. Assume effective length to be equal to unsupported length.

4. Design a suitable reinforcement for an axially loaded column supporting a load of 500 kN

using the following data. Cross section of column = 200 mm x 400 mm SBC of soil = 150 kN/m2

Materials: M 20 grade concrete Fe 415 grade HYSD bars. Design a suitable footing for the column and sketch the reinforcement details in the column section and footing.

5. Explain how you can control cracking of reinforced concrete structural element.

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Code No :45001

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

SET-3R07III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009

DESIGN OF REINFORCED CONCRETE STRUCTURES Time: 3hours Max.Marks:80

PART-A (32Marks) Answer any ONE question

1. Design a rectangular singly reinforced beam having a clear span of 4.5 m for a superimposed load of 60 kN per m run. The beam has 300 mm bearing at the ends. Use M-15 concrete and grade Fe-415 steel. Draw to a suitable scale:

(i) Longitudinal section and (ii) Cross section of the beam at salient points showing reinforcement details.

2. Design a rectangular isolated footing of uniform thickness for R.C. column bearing a

vertical load of 600 kN, and having a base size of 400 mm x 600 mm. The safe bearing capacity of soil may be taken as120 kN/m2. Use M 20 concrete and Fe 415 steel. Draw to a scale:


PART-B (48 Marks)

Answer Any THREE Questions All questions carry equal marks

1. A singly reinforced beam section of 200 mm wide and 300 mm depth is reinforced with 3

nos. of 16mm dia bars. Cover to the steel is 25mm. M 20 grade concrete and Fe-415 grade steel are used. Determine the ultimate moment of resistance of the section.

2.a) Explain local bond and flexural bond.

b) A simply supported R.C. beam, 300mm wide and 700mm deep, carries a factored UDL of 100 kN/m including self weight over a span of 6m. The beam is reinforced with 4 no's 25 mm diameter bars of grade Fe 415 on tension face. Design the shear reinforcement using vertical stirrups. Take M 25 grade concrete. Effective cover is 50 mm.

3. Design a R.C circular column section to carry a factored load of 2400 kN. Provide helical

reinforcement as transverse reinforcements. Adopt M 20 concrete and Fe 415 steel. 4. Design a suitable reinforcement for a rectangular reinforced concrete column using the

following data. Cross section of column = 400 mm x 600 mm Axial load = 800 kN SBC of soil = 160 kN/m2

Materials : M 20 grade concrete Fe 415 grade HYSD bars. Design a suitable footing for the column and sketch the reinforcement details in the column and footing.

5. Write a short note on limit state serviceability.

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Code No :45001


SET-4R07III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009

DESIGN OF REINFORCED CONCRETE STRUCTURES Time: 3hours Max.Marks:80

PART-A (32Marks) Answer any ONE question

1. Design a reinforced concrete beam of rectangular section using the following data. Effective span = 8m Working live load = 30 KN/m Over all depth restricted to 650 mm M-20 grade concrete and Fe-415 HYSD bars Width of beam = 300 mm. Effective cover = 50 mm Effective depth = 600 mm. Draw to a suitable scale:

(i) Longitudinal section and (ii) Cross section of the beam at salient points showing reinforcement details.

2. Design an isolated square footing for a column 500 mm x 500 mm, transmitting a load of 600 kN and a moment of 30 kN-m. The safe bearing capacity of soil is 120 kN/m2. Use M 15 concrete and Fe 250 steel. Draw to a scale:



1. The beams spaced at 4 m c/c and having simply supported span of 8.5m, support the floor slab of a hall of size 16m x 8.5m is 250 mm thick and overall depth is 500 mm. Design the beam for flexure for the following data: Live load = 4kN/m2, Floor finish = 1.5kN/m2, concrete grade M20, Steel grade Fe 500. Draw the longitudinal section and cross section at mid span.

2. A simply supported beam with a clear span of 10 m has a cross section of 400 mm x 1000

mm has to carry a factored shear force of 500 kN. The beam is reinforced with 5 no's. 25 mm dia bars throughout in tension at bottom face. M20 grade concrete is used. Design the shear reinforcement.

3. A short R.C. column has a diameter of 450 mm, and is reinforced with 8 bars of 16mm dia, placed with a clear cover of 40mm. Determine load carrying capacity of the column if the transverse reinforcement consists of a) 8 mm dia. Mild steel tiles @250mm c/c. b) 8 mm spirals of Fe 415 steel, arranged at a pitch of 50mm. Use M 20 concrete and

Fe 415 steel for longitudinal bars.

4. Explain the following: a) Limit sate of collapse. b) Factored load. c) Limit state of serviceability. d) Characteristic strength of steel.

5. What do you understand by short-term and long-term deflection? What are the factors affecting those deflections?

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SET-1

R07Code: 45003

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009

WATER RESOURCES ENGINEERING-I (CIVIL ENGINEERING)

Time: 3hours Max.Marks:80

Answer any FIVE questions All questions carry equal marks

- - - 1.a) Define precipitation. What is cyclonic precipitation? Distinguish between cold front and warm front. b) The computation for an isolyet map of a 2000 ha basin following a 6-hr storm gave the following data. Determine the average precipitation for the basin Isohyet 35-40cm 30-35 25-30 20-25 15-20 10-15 Below 10 cm

Area (ha) 40 80 170 310 480 670 250 [8+8] 2.a) What is a flow duration curve? Explain the detailed procedure to plot the flow duration curve. b) The mass curve of an isolated storm in a 500 ha watershed is as follows:

Time from start (h)

0 2 4 6 8 10 12 14 16 18

Cumulative rainfall(cm)

0 0.8 2.6 2.8 4.1 7.3 10.8 11.8 12.4 12.6

If the direct runoff produced by the storm is measured at the outlet of the watershed as 0.340 Mm3, estimate the ϕ -index of the storm and duration of rainfall excess. [8+8] 3.a) Describe in detail the unit hydrograph method of calculating peak flood runoff from a catchment. In what way is this method superior to other methods of calculations you know of ? b) Ordinates of 2 hour unit hydrograph are given as below. Using this, derive the ordinates for a 6 hour unit hydrograph for the same catchment. Time (h) 0 2 4 6 8 10 12 14 16 18 20 22 Discharge 0 25 100 160 200 170 110 70 30 20 8 0 (cumecs) [8+8] 4.a) Explain the terms flood frequency and flood hydrograph. Write any three empirical flood formulae developed in India, clearly indicating the units of various terms involved. b) Route the following hydrograph through a river reach for which K=22.0 hr and x=0.25. At the start of the inflow flood, the outflow discharge is 40 m3/s. Data of a inflow hydrograph through a river Time (hr) 0 12 24 36 48 60 72 84 96 108 120 132 144Inflow (m3/s) 40 65 165 250 240 205 170 130 115 85 70 60 54 [8+8]

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[2] 5.a) Describe with neat sketches confined, semi-confined (or leaky), unconfined and perched aquifers. b) During a recuperation test, the water in an open well was depressed by 2.5 m and it recuperated 1.875 m in 1.5 hours. Estimate the yield from the well of 2m diameter under a depression head of (a) 2.5 m; (b) 2.25 m; and (c) 2m [8+8] 6.a) Write a brief note on ‘History of development of irrigation in India’. b) What is Soil Fertility. Explain how Soil Fertility can be maintained. [8+8] 7.a) Describe with the help of a sketch, various forms of soil moisture. Which of these soil moistures is mainly available for utilization by the plants? b) The root zone of a certain soil has a field capacity of 25% and permanent wilting percentage is 8%. (i) What is the depth of moisture in the root zone at field capacity and permanent wilting point?

(ii) How much water is available if the root zone depth is 1.1 m ? The dry weight of the soil is 13.75N/m3 [8+8]

8.a) Explain the terms: (i) Feeder canal; (ii) Carrier canal; (iii) Water course; (iv) Branch canal; b) Design an irrigation channel to carry a discharge of 10 cumec. Assume N = 0.0225 and m=1. The channel has a bed slope of 0.3 m per kilometer. [8+8]

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SET-2

R07Code: 45003


WATER RESOURCES ENGINEERING-I (CIVIL ENGINEERING)

Time: 3hours Max.Marks:80

Answer any FIVE questions All questions carry equal marks

- - - 1. a. Given the following data. Compute the average precipitation over the catchment: Isohyet(cm) 40 35 30 25 20 15 10 Catchment area Enclosed (km2) -- 35 90 150 310 430 600

b. Determine the optimum number of rain gauges for a basin with following data: Number of existing gauges = 6 Allowable percentage error = 8 %

The average rainfall at the existing gauges = 90, 100, 85, 65, 55 and 46 cm [8+8] 2. a. What is the moving-boat technique of the measurement of discharge? What

are its advantages over the conventional area-velocity method? b. In a 140-min storm, the following rates of rainfall were observed in successive 20-min intervals: 6.0, 6.0, 18.0, 13.0, 2.0, 2.0 and 12.0 mm/h. Assuming the ϕ -index value as 3.0 mm/h and an initial loss of 0.8 mm, determine the total rainfall, net runoff and W-index for the storm. [8+8]

3. a. What is hydrograph? Sketch and explain the component parts of a hydrograph. Explain the significance of the inflection point on the falling side of a hydrograph of runoff.

b. The following data give hourly ordinates of S-hydrograph derived from a sustained 1 cm/hr effective rainfall. 0, 55, 141, 251, 344, 413, 463, 501, 523, 538, 546 cumecs. Compute and draw the ordinates of 3-hr. unit hydrograph. [8+8] 4. a. Define flood frequency. What do you understand by the terms 100-year average return period flood? Briefly explain salient features of Gumbel’s method of flood frequency analysis.

b. A bridge is to be constructed over a river for a design flood of 500 m3/s. The mean and the standard deviation for annual flood series are 250 m3/s and 100 m3/s, respectively. Calculate the return period corresponding to this design flood using Gumbel method. [8+8]

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[2]

5. a. Explain the terms well losses, specific capacity, specific drawdown, well efficiency.

b. Ground water flows through an aquifer with a cross-sectional area of 1.0 x 104 m2 and a length of 1500 m. Hydraulic heads are 300 m and 250 m at the groundwater entry and exit points in the aquifer, respectively. Groundwater discharges into a stream at the rate of 1500 m3/day. What is the hydraulic conductivity of the aquifer? If the porosity of the material is 0.3, what is the pore velocity of water? [8+8]

6. a. Explain the terms (i) Flow irrigation; (ii) Lift irrigation; (iii) Inundation irrigation ; and (iv) Perennial irrigation

b. What is Land Levelling and What is the criteria for land levelling . Explain. [8+8]

7. a. Explain the terms:

(i) Saturation capacity; (ii) Field capacity; (iii) Moisture equivalent; (iv) Wilting point ;

(v) Available moisture; (vi) Readily available moisture.

b. Find the field capacity of a soil for the following data:

(i) Depth of root zone = 2m

(ii) Existing water content =6%

(iii)Dry density of soil = 1400 kg/ m3

(iv) Water applied to soil = 500 m3

(v) Water lost due to evaporation and deep percolation = 10 %

(vi) Area of land irrigated = 1000 m2

[8+8]

8. a. For a channel discharge Q, rugosity coefficient N, critical velocity ratio m and bed width ratio B/D are given. Explain how would you design the channel using Kennedy’s theory.

b. Distinguish between the following terms.

a. Berm and counter berm b. Spoil bank and canal bank c. Hydraulic gradient and longitudinal gradient. [8+8]

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SET-3R07Code: 45003


III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009 WATER RESOURCES ENGINEERING-I

(CIVIL ENGINEERING)



1 a. What are the basic conditions for the occurrence of precipitation ? Explain how these conditions are satisfied?

b. Describe in detail the origin, time of occurrence and spread of the southwest monsoon. [8+8]

2. a. Differentiate between the following:

(a) Positive base flow and negative base flow (b) Effluent and influent streams (c) Rainfall excess and effective rainfall (d) Surface run-off and direct run-off (e) Interflow and base flow

b. What are the empirical formulae commonly used for estimating the consumptive use? Outline the characteristics of the formulae. [8+8]

3. a. Describe the unit hydrograph method of determining runoff from a catchment.

b. For a drainage basin of 104 km2 , the basin length and the distance from the centroid of the basin to the outlet are found to be 200km and 100 km, respectively.

Determine the peak discharge of a 3-hr. unit hydrograph. Assume Ct = 1.0 and Cp = 5.0. [8+8] 4. a. Explain the rational method of computing the peak discharge of a small catchment. Where is

this method commonly used and what are its merits and demerits? b. A stream has the flood peaks of 1200 m3/s and 1060 m3/s for the return periods of 100 and 50 years, respectively, using Gumbel method for a dataset spanning 30 years. Find (i) mean and standard deviation; and (ii) flood peak corresponding to a return period of 500 years. [8+8] 5. a. Differentiate between

(a) Confined aquifer and unconfined aquifer (b) Flowing artesian well and non-flowing artesian well (c) Water table and piezometric surface.

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[2]

b. Calculate the coefficient of permeability from the following data of a 15 cm diameter strainer tube well discharging 50 l.p.s. The length of the strainer is 40 m and the drawdown is 5 m. The radius of influence may be assumed as 300 m. Determine the discharge when

(a) the depression head is increased to 6m (b) the well diameter is increased to 30 m (c) the strainer length is increased to 60 m. [8+8]

6. a. Explain the terms (i) contour farming; (ii) Wild flooding; (iii) Corrugations

b. What are the different methods of sub-irrigation? Describe the methods. Point out the pre-requisites for adoption of this method. [8+8]

7. a. Explain how frequency of irrigation is determined. b. A loam soil has field capacity 27% and permanent wilting percentage 12%. The dry weight of the soil is 13.73 kN/ m3. If the depth of root zone is 1m, determine the storage capacity of the soil. Irrigation water is applied when moisture content drops to 15 %. If water application efficiency is 75%, determine the water depth required to be applied in the field. [8+8] 8. a. Explain the terms: (i) bed load; (ii) suspended load; (iii) critical tractive force b. Design an irrigation canal to carry a discharge of 10 cumec. Assume N = 0.225, m = 1.0 and (B/D) = 3.5. [8+8]

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SET-4R07Code: 45003


III.B.TECH - I SEMESTER REGULAR EXAMINATIONS NOVEMBER, 2009 WATER RESOURCES ENGINEERING-I

(CIVIL ENGINEERING)



1. a. How would you determine the optimum number of rain gauges for a basin? b. Find the mean precipitation for the area sketched below by Thiessen’s method. The area is composed of a square plus an equilateral triangular plot of side 2.5 kilometers. Rainfall readings in cm at the various stations are given in the figure.

[8+8] 2. a. How would you estimate the runoff from the infiltration capacity curve? What are its limitations? What is the advantage of ф- index method?

b. Present the Blaney-Criddle formula and its modification as suggested by Doorenbos and Pruitt. Outline the criticism about the method. [8+8]

3. a. How would you derive a unit hydrograph from a hydrograph of a complex storm?

b. A drainage basin has an area of 1700 sq.km. Determine the values of : (i) Lag period (ii) Base period or duration of runoff, and

(iii) Peak discharge using Snyder’s equation for an unit hydrograph of 6 hour duration. Assume Ct=1.2, Cp=5, L=82 km, Lca=48 km with usual notations. [8+8]

4. a. Distinguish between: a. Hydraulic and hydrologic method of flood routing b. Hydrologic storage routing and hydrologic channel routing c. Prism storage and wedge storage b. A hydraulic structure on a stream has been designed for a discharge of 350 m3/s. If the available

flood data on the stream is for 20 years and the mean and standard deviation for annual flood series are 121 m3/sec and 60m3/s respectively, calculate the return period for the design flood by using Gumbel/s method. [8+8]

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[2]

5. a. Derive Dupuit-Thiem’s equation for the yield of a well penetrating an unconfined aquifer. What are the basic assumptions of the Theory?

b. Two identical tube wells of 25 cm diameter are spaced 60 m from each other. Calculate the discharge of each well under a drawdown of 4 m when working simultaneously. Take the radius of influence as 250 m and the thickness of the confined aquifer as 60m. The coefficient of permeability is 5.6 x 10-4m/s.What would have been the discharge under the same drawdown, had there been only one well? [8+8]

6. a. Describe in detail sprinkler method of irrigation. Indicate the advantages and

limitations of this method b. Do you think that the socio-economic development of an area depends on the

development of agriculture? Explain. [8+8] 7. a. Explain the terms ‘duty’ and ‘delta’. Derive a relationship between the two for a

given base period. b. A water course has culturable commanded area of 1000 hectares. The intensity of irrigation for crop A is 40% and for crop B is 45%, both the crops being rabi crops. Crop A has a kor depth of 150 mm and kor period 3 weeks; and crop B has a kor depth of 100 mm and kor period 2 weeks. Calculate the discharge of the water course. [8+8] 8. a. What is balancing depth in a canal ? Derive an expression for the same.

b. A channel section is to be designed for the following data : Discharge Q = 10

cumec, silt factor f= 1.0, side slope = 12

(H) ; 1 (V). Also determine the

bed-slope of the channel. [8+8]

-oOo-

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R07 SET-1Code.No: 07A50103


WATER RESOURCES ENGINEERING - 1 (CIVIL ENGINEERING)



1.a) What is the hydrological cycle ? Give a brief description of different components the hydrologic cycle. b) How would you determine the optimum number of rain gauges for a basin? 2.a) Discuss the various methods for the measurement of the river stage. What is a stage hydrograph? b) What is a hydrograph ? What are its different segments? How would you obtain the hydrograph for the mean daily flow by actual measurements? 3.a) What is a unit hydrograph? What are the basic propositions of the unit hydrograph theory? What are the limitations of the unit hydrograph theory? b) What is an instantaneous unit hydrograph? What is its use? 4.a) Explain the rational method of computing the peak discharge of a small

catchment. Where is this method commonly used and what are its merits and demerits?

b) Explain briefly the following terms: (i) Design flood (ii) Standard project flood (iii) Probable maximum flood (iv) Design strom 5.a) Briefly explain role of ground water in water resources development in the

country. b) Explain the terms “ storage coefficient’, and ‘coefficient of transmissibility’. 6.a) Discuss briefly the benefits as well as the ill effects of irrigation. b) Discuss in brief the flooding methods of irrigation

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R07 SET-1

Code.No: 07A50103

7.a) Describe with the help of a sketch, various forms of soil moisture. Which of these

soil moistures is mainly available for utilization by the plants? b) Find the field capacity of a soil for the following data:

(i) Depth of root zone = 2m (ii) Existing water content = 6% (iii) Dry density of soil = 1400 kg/ m3

(iv) Water applied to soil = 500 m3

(v) Water lost due to evaporation and deep percolation = 10 % (vi) Area of land irrigated = 1000 m2

8.a) How irrigation canals are classified? b) Describe Kennedy’s theory for the design of irrigation channel in alluvial soil.

********

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1.a) What are the basic conditions for the occurrence of precipitation ? Explain how these conditions are satisfied? b) Explain the following terms: (a) Rain gauge density (b) Isohyets (c) Mean annual rainfall 2.a) Explain the various methods for the measurement of water depth at a stream- gauging station. b) Differentiate between the followings:

(i) Positive base flow and negative base flow (ii) Effluent and influent streams (iii) Rainfall excess and effective rainfall (iv) Surface run-off and direct run-off (v) Interflow and base flow

3.a) Explain the procedure for the derivation of a unit hydrograph from an isolated storm hydrograph. b) Explain the superposition method for the development of the unit hydrograph of a longer duration from that of a smaller duration. What are the limitations of this method? 4.a) Annual flood series having N consecutive entries are available for a catchment Describe a procedure to verify whether the data follow Gumbel’s distribution. b) What are the recommended design floods for (i) Spillways of dams (ii) Terrace outlets and vegetated waterways (iii) Field diversions (iv) Permanent barrages (v) Waterway for aqueducts 5.a) Define the terms (i) Aquifer; (ii) Aquiclude; (iii) Aquifuge; and (iv) Aquitard. b) Explain Darcy’s law. What are its assumptions? Discuss its validity 6.a) Write a brief note on ‘History of development of irrigation in India’ b) Describe in detail the border strip method of irrigation with a neat sketch.

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R07 SET-2Code.No: 07A50103 7.a) Explain the terms:

(i) Saturation capacity; (ii) Field capacity; (iii) Moisture equivalent; (iv) Wilting point (v) Available moisture; (vi) Readily available moisture.

b) A loam soil has field capacity 27% and permanent wilting percentage 12%. The dry weight of the soil is 13.73 kN/ m3. If the depth of root zone is 1m, determine the storage capacity of the soil. Irrigation water is applied when moisture content drops to 15 %. If water application efficiency is 75%, determine the water depth required to be applied in the field. 8.a) Differentiate between (i) permanent canal and an inundation canal. (ii) Control canal and Ridge canal b) Explain the procedure for designing an irrigation channel using Kennedy’s theory.

********

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1.a) What are different forms of precipitation? Distinguish between the precipitation and the rainfall. b) Describe various types of recording type rain gauges. What are the advantages and disadvantages of these gauges? 2.a) What are different methods for the measurement of discharge of a river? Discuss the salient features of the area-velocity method. b) Explain various methods for the separations of base flow of a hydrograph. Why the separation of flow is required? 3.a) How would you derive a unit hydrograph from a hydrograph of a complex storm? b) What is S-hydrograph? How would you derive a S-hydrograph? Discuss the procedure of derivation of the unit hydrograph from a S-hydrograph. 4.a) If the annual flood series data for a catchment are available for N consecutive

years, Explain a procedure to determine a flood discharge with a return period of T, (where T>N), by using Log-person type III distribution

b) A hydraulic structure on a streanm has been designed for a discharge of 350 m3/s. If the available flood data on the stream is for 20 years and the mean and standard deviation for annual flood series are 121 and 60m3/s respectively, calculate the return period for the design flood by using Gumbel method.

5.a) Define porosity, specific yield and specific retention and obtain a relation between

them. b) A 400 mm diameter well fully penetrates a confined aquifer of permeability 40 m/day. The length of the strainer is 20 m. Under steady state of pumping the discharge from the well was 1500 liters per minute. Compute the drawdown at the well if the radius of influence of the well is 400m. 6.a) What are the different types of irrigation systems? Discuss each of these systems briefly? b) Write a note on furrow method of irrigation. Indicate the advantages of this method of irrigation

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R07 SET-3 Code.No: 07A50103

7.a) The root zone of a certain soil has a field capacity of 25% and permanent wilting percentage is 8%. (i) What is the depth of moisture in the root zone at field capacity and permanent wilting point? (ii) How much water is available if the root zone depth is 1.1 m ? The dry weight of the soil is 13.75 kN/m3

b) Explain how frequency of irrigation is determined. 8.a) Describe briefly the various considerations made in the alignment of an irrigation canal b) Discuss the drawbacks of Kennedy’s theory

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1.a) What are the different methods for the measurement of precipitation? Describe I.M.D. rain gauge. What precautions will you take while selecting the site for a rain gauge? b) Explain the following terms: (a) PMP (b) Return period (c) Raingauge Density 2.a) What are the different types of current meters? Explain the working of the cup- type current meter. How would you calibrate it? b) What are the factors which affect runoff? Discuss briefly. 3.a) Discuss the Snyder method for the derivation of a unit hydrograph of an ungauged basin. b) The following data give hourly ordinates of S-hydrograph derived from a sustained 1 cm/hr effective rainfall. 0,55,141,251,344,413,463,501,523,538,546 cumecs. Compute and draw the ordinates of 3-hr. unit hydrograph 4.a) What are the limitations of flood frequency studies? b) In a frequency analysis of rainfall based on 15 years of data of 10 minutes storm,

the following values were obtained: Arithmetic mean of data=1.65 cm Standard deviation=0.45cm Using Gumbel’s extremal distribution, find the recurrence interval of a storm of

10 minutes duration and depth equal to 3.0 cm. Assume the sample size to be very large.

5.a) Describe with neat sketches confined, semi-confined (or leaky), unconfined and

perched aquifers. b) A 300 mm diameter well penetrates 25 m below the static water-table. After 24

hours of pumping at 6000 liters/minute, the water table in a test well at 90 m is lowered by 0.53m and in a well 30 m away the drawdown is 1.11 m. What is the transmissibility of the aquifer?

6.a) Explain the terms (i) Flow irrigation; (ii) Lift irrigation; (iii) Inundation irrigation (iv) Perennial irrigation b) Explain the terms (i) contour farming (ii) Wild flooding; (iii) Corrugations

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R07 SET-4

Code.No: 07A50103

7.a) Explain the terms (i) Soil moisture tension and (ii) Soil moisture stress b) Explain the terms ‘duty’ and ‘delta’. Derive a relationship between the two for a

given base period. 8.a) Explain the terms: (i) Feeder canal; (ii) Carrier canal; (iii) Water course; (iv) Branch canal; (v) Distributary; (vi) Phad system of irrigation. b) Derive an expression for the silt transporting capacity of a channel according to

Kennedy’s theory

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Code No: 07A50102 R07 Set No. 2

III B.Tech I Semester Supplementary Examinations,June 2010CONCRETE TECHNOLOGY

Civil EngineeringTime: 3 hours Max Marks: 80

Answer any FIVE QuestionsAll Questions carry equal marks

? ? ? ? ?

1. (a) What is soundness of aggregate.

(b) What is Alkali-silica reaction.

(c) What is Alkali-carbonate reaction.

(d) What are special aggregates. [4+4+4+4]

2. (a) Bring out the differences between normal and high strength concrete withrespect to stress strain behaviour.

(b) Explain the term curing efficiency?

(c) What are the different types of compaction? [4+4+8]

3. (a) What is Rice Husk Ash.

(b) What is GGBS .

(c) What is the performance of GGBS in concrete. [4+4+8]

4. (a) How do you find out the flexural strength of concrete?

(b) What is compacting of concrete? What are the methods?

(c) What is the effect of age on the strength of concrete? [5+5+6]

5. (a) How you will measure creep and what is the relation between creep and time.

(b) What are the factors affecting creep? explain. [8+8]

6. (a) What is pumpable concrete?

(b) What are the common problems in pumping concrete?

(c) What are the workability requirements for concrete to be pumped? [4+6+6]

7. (a) Find the theoretical strength of M-40 grade concrete when cured for 15 daysat 5 degrees centigrade during night time and 10 degrees centigrade duringday time. Also find number of days of curing required to achieve completestrength under such conditions Assume A=10,B=15.

(b) What is mix selection for

i. no-slump concrete

ii. flowing concrete. [10+6]

8. (a) Write any three applications of Fibre Reinforced Concrete.

(b) What are the benefits of using Rice Husk Ash in concrete? .

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(c) What is RMC? How is it effective when compared to conventional method.[4+4+8]

? ? ? ? ?

2

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? ? ? ? ?

1. (a) Differentiate high strength concrete from high performance concrete.

(b) Write short notes on:

i. Self consolidated concrete

ii. Fly ash concrete.

iii. High alumina concrete. [4+12]

2. (a) What is Bond of aggregates?

(b) What is strength of aggregate.

(c) What are the different mechanical properties of aggregate.

(d) What is the porosity and absorption of aggregate. [4+4+4+4]

3. (a) What is a concrete mixer. Explain different types of mixers.

(b) What is Shotcrete?

(c) What is Revibration of concrete? [6+5+5]

4. (a) Explain in detail the attack on concrete due to sulphates and means of pre-venting the same.

(b) Name any two admixtures which can be retarders. [12+4]

5. (a) List out the factors effecting strength of concrete?

(b) Explain the short term and long term properties of concrete .

(c) What are the effects of hot weather on hardened concrete? [2+10+4]

6. Write about :

(a) Drying shrinkage.

(b) Early volume changes.

(c) Carbonation shrinkage. [16]

7. (a) Discuss the influence of temperature on strength of concrete and durability ofconcrete.

(b) What is the relationship between strength and durability? [10+6]

8. (a) Explain how water cement ratio influences the strength of cement paste matrixand transition zone of concrete.

3

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(b) What is the standard rate of loading in concrete cube testing?

(c) State Abrams law. [6+3+3]

? ? ? ? ?

4

[16]

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? ? ? ? ?

1. (a) What are mineral admixtures and mention any three mineral admixtures?

(b) What are pozzolonas? Explain the chemical activity involved in pozzolonicreaction.

(c) What is meant by blended cement? Explain the significance. [3+9+4]

2. (a) What are the limitations of Schmidts rebound hammer?

(b) State IS code provisions for stripping time for shuttering?

(c) What are the tests for strength in compression? [4+4+8]

3. What is the influence of following on fresh concrete .

(a) Fly ash.

(b) GGBS

(c) Silica fume. [16]

4. (a) What is Poisson’s ratio of concrete.

(b) What is Autogenous shrinkage.

(c) What are the factors influencing shrinkage. [4+4+8]

5. (a) What are the thermal properties involved in quality of aggregate for concreteconstruction.

(b) What is grading of aggregate. Explain in detail. [8+8]

6. (a) What is the target mean strength for mix design?

(b) What is M-20 mix and M-40 mix?

(c) How will you calculate cement content per unit volume of concrete? [4+6+6]

7. (a) What is ultra high strength concrete? What are the techniques for producingultra high strength concrete?

(b) What is high performance concrete and what are the aggregate used for HPC.[8+8]

8. What is meant by curing of concrete? What are the different curing methods?Explain them. [16]

? ? ? ? ?

5

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? ? ? ? ?

1. (a) Differentiate design mix from normal mix.

(b) How durability of concrete can be improved with the use of silica fume andfly ash.

(c) What is ready mix concrete? [4+9+3]

2. (a) What is glass fibred reinforced concrete?

(b) Write in detail about the types of FRC?

(c) What is recycled aggregate concrete; explain various properties of the same?[4+4+8]

3. (a) Define workability.

(b) Discuss in detail the factors affecting workability? [2+14]

4. (a) Define Gel-space ratio and mention its significance in predicting concretestrength

(b) Explain the maturity concept of concrete. Explain different types of curingand their relative merits and demerits. [6+10]

5. (a) Classify different types of aggregate and on what bases they can be classified?

(b) What are the factors to be considered during the study of aggregates?

(c) Categorize different aggregates based on their size? [3+10+3]

6. How sulphate resisting cement and extra rapid hardening cement are prepared?Explain the uses of these cements and mention where these cements are used? [16]

7. (a) What are different types of cracking?

(b) What is meant by Air entrainment in concrete?

(c) What are the factors influencing air entrainment? [4+4+8]

8. (a) What are the different types of NDT tests?

(b) Explain about pulse velocity method and factors affecting the measurement.[4+12]

? ? ? ? ?

6

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STRUCTURAL ANALYSIS-II (CIVIL ENGINEERING)



1. A Three hinged circular arch hinged at the springings and crown points has a span

of 40 m and a central rise of 8 m. It carries a u.d.l. of 20 kN/m over the left half of the span together with a concentrated load of 100 kN at the right quarter span point. Find the reactions at the supports, normal thrust and shear at a section 10 m from the left support. [16]

2.a) What is an Arch? Explain the basic mechanism of arch action. b) A two hinged semi circular arch of radius R carries a load W at a section the

radius vector corresponding to which makes an angle α with the horizontal. Find the horizontal thrust at each support. Assume uniform flexural rigidity.

[6+10] 3.a) Distinguish between Portal and Cantilever methods of analysis of building

frames. b) Analyse the building frame subjected to horizontal forces as shown in the

figure1. Use Portal Method. Sketch the B.M.D. [4+12]

4. A continuous beam ABCD 20 m long is continuous over 3 spans. AB = 8 m, BC = 4 m,

CD = 8 m. Moment of Inertia of AB is 2I , that of BC is I and that of CD is 2I. There is a u.d.l. of 1500 N/m over spans AB & BC. On the span CD, there is a point load of 4000 N acting at 3 m from right end. The ends are fixed and during loading, the support B sinks by 1 cm. Find the fixed end moments using Slope Deflection method. Sketch B.M.D. Take I = 1600 cm4; E = 2x105N=mm2 . [16]

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5. A horizontal beam ABCD is carried on hinged supports and is continuous over three equal spans each of 3 m. All the supports are initially at the same level. Analyse the beam loaded as shown in the figure below using Moment distribution method. The support A settles by 10 mm, B settles by 30 mm and C settles by 20 mm. Plot the B.M.D. Take I = 2.4 x 106mm4; E = 2x105N=mm2. [16]

6.a) What are the advantages of Kani's method over Moment distribution method. b) A continuous beam ABCD consists of three spans and is loaded as shown in

the figure . Find the support moments using Kani's method. Plot the B.M.D. and S.F.D. [4+12]

7.a) What are the various steps to be followed to solve a continuous beam using flexibility

method. b) Develop the flexibility matrix for the beam AB with reference to the co-

ordinates shown in the figure. [6+10]

8.a) Distinguish between Stiffness method and Flexibility method. b) Analyse the continuous beam shown in the figure using Stiffness method.

Sketch B.M.D. [6+10]

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--ooOoo--

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1. A Three hinged parabolic arch has a span of 24 m and a rise of 6 m. It carries a u.d.l. of

30 kN/m over the left half of the span together with a concentrated load of 150 kN at 6 m from the right end. Find the bending moment, normal thrust and radial shear at a section 6 m from the left end. [16]

2.a) Briefly explain the various types of arches. b) A two hinged semi circular arch of radius R carries a u.d.l. of w per unit

run over the left half of the span. Find the horizontal thrust at each support. Assume uniform flexural rigidity. [6+10]

3.a) What are the various approximate methods available for analysing the building

frames for vertical loads & horizontal loads. b) Analyse the building frame subjected to horizontal forces as shown in the

figure. Use Cantilever method. Sketch the B.M.D. [4+12]

4. Analyse the continuous beam as shown in the figure using Slope Deflection

method. Sketch the B.M.D. [16]

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5.a) What are the various loading conditions for getting the maximum bending moments in Beams & columns, while analysing the frames by Substitute frame method.

b) Analyse the continuous beam as shown in the figure using Moment distribution method. Sketch B.M.D. [4+12]

6.a) What are the advantages of Kanis method over Moment distribution method.

b) A continuous beam ABCD consists of three spans and is loaded as shown in the figure. Find the support moments using Kanis method. Plot the B.M.D. and S.F.D. [4+12]

7.a) Distinguish between Flexibility method and Stiffness method.

b) Analyse the continuous beam shown in the figure using Flexibility method. Sketch B.M.D. and S.F.D. [6+10]

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8.a) What are the various steps to be followed to solve a continuous beam using Stiffness method.

b) Develop the Stiffness matrix for the beam AB with reference to the co-ordinates shown in the figure. [6+10]

--ooOoo--

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1.a) Explain the Eddys theorem of arches. b) A three hinged parabolic arch of span l has its abutments at depths h1, h2

below the crown. The arch carries a load of w per unit run over the whole span. Determine the horizontal thrust at each support. [4+12]

2. A parabolic two hinged arch has a span of 28 m and a rise of 7 m. A u.d.l. of

2 kN/m covers 6 m horizontal length of the left side of the arch. If I = I0 Sec θ , where θ is the inclination of the arch of the section to the horizontal, and I0 is the M.I. of the section at the crown, find the horizontal thrust at the hinges and B.M. at 8 m from the left hinge. Also find the normal thrust and radial shear at this section. [16]

3.a) Distinguish between Portal and Cantilever methods of analysis of building frames.

b) Analyse the building frame subjected to horizontal forces as shown in the figure. Use Portal Method. Sketch the B.M.D. [4+12]

4. Analyse the continuous beam as shown in the figure using Slope – Deflection method.

Sketch the B.M.D. [16]

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5.a) Briefly explain the Substitute frame method of analysis. b) A continuous beam ABCD is loaded as shown in figure. During loading, support B sinks

by 1.5 cm. Determine the support moments using Moment distribution method and plot B.M.D. Take I = 800 cm4; E = 2x105N=mm2. [4+12]

6. A continuous beam ABCD is loaded as shown in figure. The yielding of supports permits

downward settlements of 180/EI and 280/EI at B and C respectively. Determine the support moments using Kanis method. Plot B.M.D. and S.F.D. [16]

7.a) Define degree of static indeterminacy. Explain, how do you compute it for beams and

frames, giving examples. b) Develop the flexibility matrix for the simply supported beam AB with reference to the

co-ordinates shown in the figure. [6+10]

8. Analyse the continuous beam shown in the figure using Stiffness method. Sketch B.M.D.

and S.F.D. [16]

--ooOoo--

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1.a) What is the effect of temperature on three hinged arches ? b) A three hinged parabolic arch of span l has its abutments at depths h1, h2 below the

crown. The arch carries a load of w per unit run over the whole span. Determine the horizontal thrust at each support. [6+10]

2. A steel two hinged circular arch rib has a span of 30 m and a rise of 3 m. The rib section

is uniform throughout with an overall depth of 0.7 m. Neglecting all effects except those due to bending, find from first principles, the bending stress at the crown due to a temperature change of 30 K. Take α = 11x10-8/ 0K and E = 2x105N=mm2 . [16]

3.a) Distinguish between Portal and Cantilever methods of analysis of building frames.

b) Analyse the building frame subjected to horizontal forces as shown in the figure. Use Portal Method. Sketch the B.M.D. [4+12]

4. Analyse the portal frame shown in the figure using Slope - Deflection method. Sketch the

B.M.D. and S.F.D. [16]

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5. Analyse the portal frame as shown in the figure using Moment distribution method. Sketch the B.M.D. and S.F.D. [16]

6. Analyse the portal frame shown in the figure using Kanis method. Sketch the B.M.D. and

S.F.D. [16]

7. Analyse the continuous beam shown in the figure using Flexibility method. Sketch


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8. Analyse the continuous beam shown in the figure using Stiffness method when a) The supports are unyielding b) The supports B and C settle down by 40/EI and 30/EI respectively. The flexural rigidity is constant. Sketch the B.M.D. and S.F.D. [16]

--ooOoo--

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R07 SET-1Code.No: 45004





1. A Three hinged parabolic arch has a span of 20 m and a rise of 5 m. It carries a u.d.l. of 20

kN/m over the left half of the span together with a concentrated load of 120 kN at 5 m from the

right end. Find the bending moment, normal thrust and radial shear at a section 4 m from the

left end. [16]

2. A u.d.l. of 40 kN/m covers left half of the span of a parabolic arch, span 36 m and central

rise 8 m. Determine the position and magnitude of maximum B.M. Also find shear force,

normal thrust at the section. Assume that the M.I. at a section varies as secant of

slope at the section. Neglect effect of rib shortening. [16]

3.a) What are the assumptions made in the Portal method of analysis of building frames.

b) Analyse the building frame subjected to horizontal forces as shown in the figure below.

Use Portal Method. Sketch the B.M.D. [2+14]

1

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4. A continuous beam ABCD is loaded as shown in the figure below. During loading, support

B sinks by 1 cm. Find the support moments using Slope-Deflection method. Sketch B.M.D.

Take I = 800 cm4, E = 2 x 105 N/mm2 . [16]

5. a) Define Carry over factor & Distribution factor.

b) Analyse the continuous beam shown in the figure below using Moment distribution method.

Sketch B.M.D. [4+12]

6. Analyse the continuous beam shown in the figure below using Kanis method. Sketch


2

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7. Develop the flexibility matrix for the prismatic member AB with reference to the co-ordinates

shown in the figures below. [16]

8. a) Discuss regarding the choice between Stiffness method and Flexibility method.

b) Analyse the continuous beam shown in the figure below using Stiffness method. Sketch

B.M.D. [6+10]

3

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1. A symmetrical three hinged circular arch has a span of 16 m and a rise of 4 m. It carries

a vertical load of 16 kN at 4 m from the left end. Find 21

(a) The magnitude of the thrust at the springings

(b) The reactions at the supports.

(c) Bending moment at 6 m from the left hinge

(d) The maximum positive and negative moment. [4+4+4+4]

2. (a) Distinguish between three hinged & two hinged arches.

(b) A two hinged parabolic arch of span 40 m and rise 8 m is subjected to a temperature rise

of 22 K. Calculate the maximum bending stress at the crown due to the temperature rise

if α= 11 x 10-8 / 0 K and E = 2.1 x 105 N/mm2. The rib section is symmetrical and 1 m

deep. [4+12]

3. a) What are the assumptions made in the Portal method of analysis of building frames.


Use Portal method. Sketch the B.M.D. [2+14]

4

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4. Analyse the continuous beam shown in the figure below using Slope – Deflection

method. Sketch the B.M.D. [16]

5. a) Briefly exlpain the “Substitute frame method” of analysis.

b) A continuous beam ABCD is loaded as shown in figure below. During loading, support

B sinks by 1 cm. Determine the support moments using Moment distribution method

and plot B.M.D.

Take I = 800 cm4, E = 2x 105 N/mm2. [4+12]

5

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6. a) Define Carry over factor & Displacement factor. b) Analyse the continuous beam shown in the figure below using Kani’s method. Sketch

B.M.D. and S.F.D. [4+12]

7. a) What are the various steps to be followed to solve a continuous beam using

flexibility method.

b) Develop the flexibility matrix for the beam AB with reference to the co-ordinates shown

in the figure below. [6+10]

6

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8. a) What are the various steps to be followed to solve a continuous beam using

Stiffness method.

b). Develop the Stiffness matrix for the beam AB with reference to the co-ordinates shown in

the figure below. [6+10]

7

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1. A Parabolic Arch hinged at the springings and crown has a span of 20 m. The central

rise of the arch is 4 m. It is loaded with a u.d.l. of intensity 2 kN/m on the 8 m. length

from the left springing. Calculate

(a) Direction & magnitude of reactions

(b) The bending moment, normal thrust and shear at 4 m, 15 m from the left end.

(c ) Maximum positive and negative bending moment. [16]

2.(a) Distinguish between three hinged & two hinged arches.

(b) A two hinged parabolic arch of span L and rise h carries a u.d.l. of “w” per unit run for a

distance of “a” from the left end. Determine the horizontal thrust. Also find the horizontal

thrust for the following cases.

i) When the load covers a distance of L/4 from one end.

ii) When the load covers a distance of L/4 from each end.

iii) When the load covers the middle half of the span. [6+10]

3. a) What are the assumptions made in the Cantilever method of analysis of building

frames.


Use Cantilever method. Sketch the B.M.D. [4+12]

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4. A continuous beam ABCD is loaded as shown in the figure below. During loading,

support B sinks by 1 cm. Find the support moments using Slope – Deflection method.

Sketch B.M.D. Take I = 800 cm4, E = 2 x 105 N/mm2 . [16]

5. a) Define Carry over factor & Distribution factor.

b) Analyse the continuous beam shown in the figure below using Moment distribution

method. Sketch B.M.D. [4+12]

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6. Analyse the portal frame shown in the figure below using Kani’s method. Sketch the


7. a) Distinguish between Flexibility method and Stiffness method.

b) Analyse the continuous beam shown in the figure below using Flexibility method.

Sketch B.M.D. and S.F.D. [6+10]

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8. Analyse the continuous beam shown in the figure below using Stiffness method. The

supports C and D settles down by 20 mm and 10 mm respectively. Take EI = 15 x 1011

N.mm2. Sketch B.M.D. and S.F.D. [16]

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1. A Three hinged parabolic arch ABC of span 30 m has it’s supports A and B at different

levels, A being at a higher level than B. The support A is 4 m below the crown hinge C

and 12 m horizontally from A. Find the depth of the support B below the hinge C. If the

arch carries a u.d.l. of 30 kN/m from A to C, determine the horizontal thrust and the

vertical reactions at the supports. Also find the maximum bending moment for the arch.

[16]

2. A steel two hinged circular arch rib has a span of 40 m and a rise of 4 m. The

rib section is uniform throughout with an overall depth of 0.9 m. Neglecting all effects

except those due to bending, find from first principles, the bending stress at the crown

due to a temperature change of 40 K.

Take α= 11 x 10-8 / 0 K and E = 2x 105 N/mm2 [16]

3. a) What is a Substitute frame? Discuss the various loading conditions for getting the

maximum bending moments in beams & columns.


Use Cantilever method. Sketch the B.M.D. [4+12]

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4. A continuous beam ABCD 14 m long is fixed at A & D and is loaded as shown in the

figure below. Analyse the continuous beam using Slope – Deflection method if the

following movements take place simultaneously.

i) End B sinks by 30 mm in downward direction.

ii) End C sinks by 40 mm in downward direction. [16]

5. Analyse the continuous beam shown in the figure below using moment distribution

method. Sketch B.M.D. and S.F.D. [16]

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6. Analyse the portal frame shown in the figure below using Kani’s method. Sketch the


7. Analyse the continuous beam shown in the figure below using Flexibility method when

a) The supports are unyielding.

b) The supports B and C settles down by 24/EI and 12/EI respectively.

The flexural rigidity is constant. Sketch the B.M.D. and S.F.D. [16]

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8. Analyse the continuous beam shown in the figure below using Stiffness method when

a) The supports are unyielding

b) The supports B and C settles down by 20/EI and 15/EI respectively.

The flexural rigidity is constant. Sketch the B.M.D. and S.F.D. [16]

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Code No: 45005 R07 Set No - 1

III B.Tech I Semester Regular Examinations,Nov/Dec 2009ENGINEERING GEOLOGY



? ? ? ? ?

1. (a) Describe the types of tunnels based on use. Give examples.

(b) Draw and explain the Geological profile along a proposed tunnel route. [8+8]

2. What is a mineral? Discuss any four important properties which are useful for theidentification of minerals. [16]

3. Explain the influencing factors for the water - tightness of the reservoir. [16]

4. Write the parent rock, composition and uses of the following rocks.

(a) Quartzite

(b) Slate

(c) Gneiss

(d) Marble. [4+4+4+4]

5. How Geology is related to Engineering? Discuss the scope of and application ofGeological knowledge in the planning and execution of Civil Engineering works.

[16]

6. Explain the Electrical Resistivity surveys for ground water prospection. [16]

7. Explain the electrical resistivity method. [16]

8. Describe the common types of soils of India. [16]

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1. (a) What are the general requirements for the safety, stability and economy ofCivil Engineering constructions.

(b) Explain the factors influencing electrical resistivity. [10+6]

2. (a) Write the purposes of tunneling.

(b) What are the effects of tunneling on the ground.

(c) Write short note on lining of tunnels. [6+6+4]

3. (a) Problems of groundwater in Civil Engineering practice.

(b) Occurrence of groundwater in various lithological formations. [8+8]

4. Describe in detail the types of weathering of rocks and significance of weatheringin Civil Engineering constructions. [16]

5. Describe and give few examples to the following index properties for the identifica-tion of minerals.

(a) Hardness

(b) Streak

(c) Luster

(d) Cleavage [4+4+4+4]

6. Why is leakage under dam is undesirable? What Geological conditions are likelylead to leakage? How are the Leaky foundations treated while constructing a dam.

[16]

7. Discuss the topographical expression of different types of folds and Faults and theirrole in Civil Engineering projects. [16]

8. Describe one rock type for each foliated and Nonfoliated rocks. [16]

? ? ? ? ?

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? ? ? ? ?

1. Write Short notes on the following.

(a) Transported soils.

(b) Stabilisation of soils. [8+8]

2. What is meant by weathering? Write the effects of weathering and Civil EngineeringSignificance of weathering [16]

3. Write short notes on

(a) Earth dams

(b) Parts of a gravity dam

(c) Gravity dam on horizontal beds.

(d) Dam over faulted beds [4+4+4+4]

4. Present a detailed description of Limestone. [16]

5. State the physical properties of

(a) Muscovite

(b) Asbestos

(c) Garnet

(d) Olivine [4+4+4+4]

6. Explain the prediction of Earthquakes. [16]

7. Explain in brief about Seismic refraction method. [16]

8. Explain the role and importance of Geological structures at tunnel site [16]

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? ? ? ? ?


(a) Applications of Electrical resistivity studies.

(b) Electrical profiling

(c) Classification of Electrode configurations.

(d) Planning of Electrical sounding Studies. [4+4+4+4]


(a) Role of water table in reservoir

(b) Life of reservoir

(c) Influence of Geological structures on reservoir [5+5+6]

3. Describe the various types of structures associated with Igneous rocks. [16]


(a) Water table

(b) Cone of depression

(c) Types of Aquifers

(d) Curve matching and Inverse slope method. [4+4+4+4]


(a) Step Faults and Enchelon Faults

(b) Drag folds and Chevron folds [8+8]

6. Explain the importance of ground water conditions on tunneling. [16]

7. Write the physical properties of the following minerals.

(a) Quartz

(b) Feldspar

(c) Hematite

(d) Kyanite [4+4+4+4]

8. Explain the major Civil Engineering projects of India, where Engineering Geologyplay a vital role. [16]

? ? ? ? ?

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III B.Tech I Semester Supplementary Examinations,June 2010ENGINEERING GEOLOGY



? ? ? ? ?


(a) Rock weathering in tunnels

(b) weathering Vs Hill side stability

(c) Weathering pattern of Granite

(d) Influence of weathering on Obra dam project, Uttar Pradesh. [4+4+4+4]

2. Explain the fundamentals of rock mechanics and environmental Geology [16]

3. What is over break in tunneling. Explain the Geological factors governing the overbreak with neat diagrams. [16]

4. What is meant by life of reservoir? Describe the measures to enhance life of thereservoir [16]

5. (a) Explain the different methods of study of minerals.

(b) Write short notes on Mohs scale of hardness. [10+6]

6. Describe the textures and structures found in Metamorphic rocks. [16]

7. Discuss the various methods for groundwater prospection. [16]

8. Describe the types of Folds basing on position of axial plane and basing of theirbehavior with depth. [16]

? ? ? ? ?

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? ? ? ? ?

1. (a) Describe the instruments used in Seismic studies.

(b) Write on the Geological factors which influence the Seismic waves. [10+6]


(a) Earth dams

(b) Parts of a gravity dam

(c) Gravity dam on horizontal beds.

(d) Dam over faulted beds [4+4+4+4]

3. (a) Define Mineral. Enumerate the Physical properties of minerals.

(b) State relative advantages and disadvantages of different methods of study ofminerals [8+8]

4. Explain the Geological conditions posing problems and hazards in tunneling andmeasures adopted to control them. [16]

5. Describe the following.

(a) Open Folds and Closed Folds

(b) Dome and Basin [8+8]

6. Explain the prediction of Earthquakes. [16]

7. Enumerate the important Igneous rocks and briefly describe their identification.[16]

8. Explain how the Geological, Topographic Mechanical and chemical factors affectweathering. [16]

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? ? ? ? ?

1. (a) Describe the types of tunnels based on use. Give examples.

(b) Draw and explain the Geological profile along a proposed tunnel route. [8+8]

2. (a) Classify and describe the different types of joints in rock.

(b) Write the terminology of Fold and Fault. [10+6]


(a) Applications of Electrical resistivity studies.

(b) Electrical profiling

(c) Classification of Electrode configurations.

(d) Planning of Electrical sounding Studies. [4+4+4+4]

4. Describe and give few examples to the following index properties for the identifica-tion of minerals.

(a) Hardness

(b) Streak

(c) Luster

(d) Cleavage [4+4+4+4]

5. Describe in detail the types of weathering of rocks and significance of weatheringin Civil Engineering constructions. [16]

6. Explain the role of Geological and Hydrological investigations for ground waterexploration. [16]

7. Describe a rock type in each of the plutonic, Hypabysal and Volcanic rocks. [16]

8. Explain the role of Geology in selection of the type of dam in detail. [16]

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? ? ? ? ?


(a) Epicenter

(b) Seismograph

(c) Elastic rebund Hypothesis [5+5+6]

2. Explain the necessity and importance of Geophysical investigations. [16]

3. (a) Write the purposes of tunneling.

(b) What are the effects of tunneling on the ground.

(c) Write short note on lining of tunnels. [6+6+4]

4. List out the physical properties of

(a) Talc

(b) Galena

(c) Graphite

(d) Calcite [4+4+4+4]

5. How Geology is related to Engineering? Discuss the scope of and application ofGeological knowledge in the planning and execution of Civil Engineering works.

[16]

6. Explain the role of Geological structures where in the axis of the dam lies parallelto the strike direction of strata, in selection of a dam site. [16]

7. Discuss the topographical expression of different types of folds and Faults and theirrole in Civil Engineering projects. [16]

8. Distinguish between Igneous, Sedimentary and Metamorphic Rocks. [16]

? ? ? ? ?

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Code No: 07A5HS01 R07 Set No. 2

III B.Tech I Semester Supplementary Examinations,June 2010MANAGERIAL ECONOMICS AND FINANCIAL ANALYSIS

Common to CE, ME, MEP, BT, AME, ICE, E.COMP.E, MMT, ETM, ECETime: 3 hours Max Marks: 80


? ? ? ? ?

1. What are financial statements? Why are they needed? How are they prepared?[16]

2. A company has two proposals each costing Rs.9 Lakhs. The details of the cashinflows are as follows:

Year Project 1 Project21 3,00,000 6,00,0002 500,000 4,00,0003 6,00,000 3,00,0004 2,00,000 2,00,000

The cost of capital is 10% per year. Which one will you choose under NPV method.[16]

3. The following details are taken from the balance sheet of Mitra Financiers Ltd.

Current Assets Rs. Current Liabilities Rs.Cash 40,000 Accounts payable 75,000Govt. Securities 20,000 Accrued taxes 30,000Amounts receivable 1,10,000 Current liabilities 40,000Inventories 1,50,000

Compute :

(a) Current ratio

(b) Acid test ratio . [16]

4. Examine the nature of equilibrium for a monopolist. Is it necessarily true that theequilibrium output of monopolist will be smaller than that of a competitive seller?

[16]

5. What is demand forecasting? Discuss the techniques normally used for forecastingthe demand for

(a) old products

(b) New Products. [16]

6. What is the significance of demand analysis to the managerial economist? [16]

7. Distnquish between laws of returns to variable proportions and laws of returns toscale. Explain the factor, which cause increasing returns to scale. What are thereasons for the operation of the law of diminishing returns? [16]

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8. What is ‘Privatization’? Explain different forms in which privatizations can beinitiated. [16]

? ? ? ? ?

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? ? ? ? ?

1. What is meant by utility? How does it figure in the analysis of consumer demand?[16]

2. (a) What are Liquidity ratios? Explain their significance.

(b) How Turnover ratios are relevant? [16]

3. Write a short notes on:

(a) Nominal account

(b) Personal account

(c) Real account. [16]

4. What is Capital Budgeting? What are methods useful for this purpose? [16]

5. Define ‘Partnership’ and explain its salient features & limitations and evaluate itas against sole proprietorship. [16]

6. (a) Distinguish between skimming price ands penetration pricing.

(b) Differentiate between product line pricing and peak load pricing. [8+8]

7. Distinquish between the slope of the demand curve and the price elasticity of de-mand. How would you measure the price elasticity of demand at a point on thedemand curve?

[16]

8. What do you understand by the term cost of production? Distinguish betweenPrime Costs and Supplementary Cost and examine the bearing of the distinctionon the Theory of Value. [16]

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? ? ? ? ?

1. A firm whose cost of capital is 10% is considering two mutually exclusive projectsA & B the details of which are:

Project A Project BInvestment (Rs.) 70,000 70,000

Cash flows - 1 10,000 50,0002 20,000 40,0003 30,000 20,0004 45,000 10,0005 60,000 10,000

Total 2,35,000 2,00,000

Compute the NPV at 10%, of the two projects. [16]

2. Following is the trading and profit and Loss account of Mahesh Trading House forthe year ended 31stMarch,2008.

Trading, Profit & Loss Account

Dr CrRs. Rs.

To stock on 1-4-2007 75,000 By sales 5,00,000To Purchases 310000 By stock on 31-3-2008 1,00,000To Freight 15000To Gross profit c/d 2,00,000

6,00,000 6,00,000To Administration Expenses 85,000 By Gross profit f/d 2,00,000To selling & Distribution Expenses 40,000 By,Interest received 5,000To financial Expenses 6,000To other non-operating expenses 3,000To Net Profit 71,000

2,05,000 2,05,000

You are required to calculate:

(a) Gross Profit Ratio

(b) Net Profit Ratio and

(c) Operating Ratio. [16]

3. What are the laws of variable proportions? Explain the three laws of production.[16]

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4. Show how unrestricted competition among innumerable buyers and sellers makesonly one price prevail in the market. [16]

5. Define the marginal rate of substitution. What is the law behind the diminishingmarginal rate of substitution? [16]

6. Journalise the following transactions and post them to proper accounts: [16]

2000 Particulars Rs.Feb.1 Mohan started business with 10,000Feb.4 Goods purchased from sohan 7,000Feb.6 Cash purchases 3,000Feb.8 Sold goods to Rohan 6,250Feb.10 Cash sales 4,700Feb.12 Bought goods from sohan 2,250Feb.14 Sold goods to Rohan 4,625Feb.16 Cash paid to Sohan 5,000Feb.19 Cash received from Rohan 9,200Feb.25 Paid Rent 1,750Feb.29 Received cash from Rohan 800Feb.31 Paid cash to Sohan on A/c 3,000Feb.31 Bought furniture from Jagan 2,125

7. (a) What are the different kinds of companies?

(b) Explain the formations of joint stock company. [16]

8. What would be the appropriate variable for estimating demand for

(a) Steel

(b) Sugar

(c) Petrol

(d) toys by the regression method? [16]

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? ? ? ? ?

1. (a) Explain the main sources have long-term finance.

(b) What are the main features of different sources of shot term finance? [16]

2. Explain the merits and limitations of ratio analysis as a tool for interpretation offinancial statements. [16]

3. Managerial Economics is applied microeconomics. Elucidate. [16]

4. Define and explain isoquants. What are the properties of isoquants? How do theycompare with the properties of indifference curves? [16]

5. What are general considerations of Pricing policy? Describe the factors which helpprice forecasting. [16]

6. Distinquish between slope and elasticity of demand curve. Find the relation be-tween price and marginal revenue with reference to price elasticity of demand. [16]

7. What do you understand by Globalization & Privatization? Explain their impacton the Indian Business in the recent years. [16]

8. Trial Balance and adjustments of Charandas as on 31.12.1999 are given below.Prepare Trading, Profit & Loss Account and Balannce Sheet.

Particulars Rs. Rs.Cash in hand 2,000Cash at bank 17,100Purchase, Sales 50,000 130000Returns 700 600Debtors,Creditors 17,000Wages 12,400Fuel, Power 6,000Carriage 4,200Stock (1.1.99) 6,800Machinery 25,000Furniture 9,000Salaries 20,000General Expenses 4,000Travelling Expenses 1,400Drawings 5,000Capital 50,000

1,80,600 1,80,600

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Adjustments:

(a) Closing Stock (31-12-99) Rs.8,000/-

(b) Provide depreciation @ 5% on Machinery and @15% on Furniture

(c) Outstanding salaries Rs.100/-. [16]

? ? ? ? ?

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R07 SET-1Code.No:45069


MANAGERIAL ECONOMICS AND FINANCIAL ANALYSIS (Common to CE, ME, ECE, ETM, MMT, E.COMP.E, MEP, ICE, BT AME)



1. Give the various definitions of Managerial Economics by different authors? Explain from this definition what you observe about Managerial Economics. [8+8]

2. Write Short Notes on :

i. Expert Opinion ii. Test Marketing

iii. Controlled Experiments iv. Judgmental Approach. [8+8]

3. Define Cost. Explain different cost concepts used in the process of cost analysis. [16] 4. Explain price-output determination under monopolistic competition. [16] 5. Describe economic reforms. Explain the hurdles for Economic Reforms. [16] 6. What is capital budgeting? Explain why the Capital Budgeting becomes very important. [16] 7. Journalize the transactions given below in the books of Prasad. [16] 2009 Particulars Rs. April 1 Prasad Commenced business with a cash of 4,000 " 3 Cash sales 4,000 " 4 Bought Machinery 15,000 " 7 Sold Goods to Raju on credit 10,000 " 9 Purchased goods from Ramana on credit 8,000 " 10 Sold Goods to Gupta on credit 5,000 " 12 Paid for Stationery by cash 1,000 " 14 Carriage expenses by cash 500 " 15 Bought furniture for proprietor's residence and paid cash 7,000 " 17 Sold goods to Krishna for cash 3,000 " 22 Received Discount 800 " 24 Paid wages by cash 1,200 " 26 Sales by cash 15,000 " 27 Deposited cash with Bank 10,000 " 28 Received cash from Mahesh 1,500 " 29 Received Interest on loan from Viswanath 600

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R07 SET-1Code.No:45069

8. From the following balance sheet of ABC Co. Ltd., calculate the following ratios (i) Current Ratio (ii) Quick ratio (iii) Debt equity ratio. [16]

Balance Sheet of ABC Co., Ltd., as on 31.12.2008.

Liabilities Rs. Assets Rs. Equity Share Capital 1000 Plant and Machinery 975 Debentures 900 Stock 550 Creditors 200 Debtors 550 Outstanding expenses 100 Cash in hand 375 Profit and loss account 100 Prepaid expenses 50 Bank loan (Long Term) 200 Total 2500 2500

*****

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R07 SET-2 Code.No:





1. What is Elasticity of Demand? Explain different types of Elasticity of Demand with the help of problems. [16] 2. Explain the significance of Cobb Douglas Production Function. What is the criticism against

this function? [16] 3. Explain the significance of Break even Analysis? Discuss its objectives and limitations.

[16] 4. What are the features of Monopoly? What causes of Monopoly? [16] 5. Define Public Corporation. What are its features? What are its advantages and

disadvantages? [16] 6. Write Short Notes on i) Long term finance

ii) Short Term Finance iii) Medium Term Finance. [16]

7. From the following information of a company calculate Stock Turnover Ratio. [16]

Particulars Amount Rs. Particulars Amount Rs.

Opening Stock 18,000 Sales 98,500 Purchases 67,700 Closing Stock 25,000 Carriage inward 3,000 Wages 8,000 Gross Profit 26,800 123,500 123,500

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R07 SET-2 Code.No: 8. Prepare Trading, Profit & Loss A/c and Balance Sheet of Sachin as on 31-3-1995 from the

following trial balance. [16]

Trial Balance on 31-3-95 Particulars Debit Credit

Rs. Rs. Cash 540 - Bank 12,630 - Purchases 140,675 - Sales - 258,780 Returns 2,680 1,500 Wages 20,480 - Fuel & Power 4,730 - Carriage on Sales 3,200 - Carriage on Purchases 2,040 - Stock (1st April) 25,760 - Buildings 50,000 - Machinery 20,000 - Patents 7,500 - Salaries 15,000 - General Expenses 13,000 - Insurance 600 - Drawings 15,245 - Capital - 82,000 Sundry Debtors & Creditors 14,500 6,300 348,580 348,580 Adjustments: Stock on Hand on 31-3-1995 was Rs.26,800/-. Machinery is to be depreciated @ 10% & 20% appreciated on patents. Salaries unpaid Rs.1, 500/-. Insurance included a Premium of Rs.340/- P.A. Paid up to Sep., 1995. Create a Provision for doubtful debts at 5% on debtors. Purchases include a Purchase of goods costing Rs.1,675/- for personal use of Sachin.

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R07 SET-3 Code.No:





1. Desire of a beggar to purchase a mercedez benz car is not a demand? Explain Demand with the help of Schedule and Graph. [16]

2. How the Elasticity of Demand is measured? How the significance of the Elasticity of

Demand be explained? [16] 3. What is the significance of Break even Analysis? What is the limitation of Break-even

analysis? [16] 4. Explain the different ways in which the markets are classified with special emphasis of

classification based on Competition. [16] 5. What are the different forms of Public Enterprises? Explain their features. [16] 6. Write Short Notes on:

a. Fixed Capital b. Working Capital. [16] 7. Write Journal, Ledger and Trial Balance from the following transactions. [16] 1998 Particulars Rs. Jan. 1 Commenced business with cash 100,000 " 2 Bought goods for cash 10,000 " 3 Sold goods for cash 5,000 " 4 Purchased goods on Credit from Mahesh 5,000 " 5 Sold goods to Venkatesh 2,000 " 6 Goods returned to Mahesh 1,500 " 6 Sold goods to Akhilesh for cash 2,300 " 8 Venkatesh returned goods 800 8. From the following data calculate [16] i) Inventory Turnover Ratio

ii) Average period of holding the stock. Sales Rs.10,00,000

Sales Returns Rs. 1,00,000 Opening Stock Rs. 2,00,000 Closing Stock Rs. 4,00,000

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*****

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R07 SET-4 Code.No:





1. What is Demand Function? Does it have any relationship with the determinants of demand? Explain. [16]

2. What are various factors which govern the demand forecasting? Discuss. [16] 3. Explain Marginal Rate of Technical Substitution, Isoquants and Isocosts. [16] 4. What are the different forms of Markets based on Competition? [16] 5. Define Government Company? What are its features? What are its advantages and

disadvantages? [16] 6. What are the factors determining the requirements of working capital? [16] 7. Define Capital gearing. What are the different ratios which indicate gearing? Explain with the help of formula. [16]

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8. You are requested to prepare the Trial Balance as on 31-10-1998 from the given

R07 SET-4 Code.No:

ledger account balances. [16] Particulars Rs.

Capital 65,500

Creditors 18,200

Debtors 21,350

Cash in hand 6,750

Sales 120,000

Purchases 69,100

Cash at Bank 7,800

Machinery 35,000

Discount allowed 5,000

Discount received 3,200

Furniture 4,000

Bills Receivable 21,300

Salaries Outstanding 7,200

Wages 3,150

Insurance Prepaid 4,200

Rent 950

Bills Payable 4,500

Reserve for Bad Debts 3,250

Tax Outstanding 1,110

Interest on Investment 2,150

Drawings 1,510

Fixed Deposits 45,000

--ooOoo--

Civil Engineering

Documents

grade of concrete

grade concrete fe

w w w jn

reinforced concrete

steel grade fe

grade steel

grade of steel

reinforced concrete