III/IV B.Tech (Regular) DEGREE EXAMINATION. Answer ONE question from each unit. 1. Answer all questions (1X12=12 Marks) 5 kn/m 15 kn

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1 14CE601 Answer Question No.1 compulsorily. III/IV B.Tech (Regular) DEGREE EXAMINATION Structural Analysis -II 1. Answer all questions (1X12=12 Marks) (1X12 = 12 Marks) (4X12=48 Marks) a) Write the slope deflection equations when the supports of a span are at same level? b) Write the assumptions made in the slope deflection method? c) What is distribution factor? d) How the carry over moments occur? e) What is rotation factor? f) Write the advantages of Kani s method over moment distribution method? g) Write the assumptions made in portal method? h) Explain how to place the imposed load on a substitute frame to get max. ve bending moment at a joint? i) Determine the horizontal thrust when a 3 hingedsemi circular arch having rise R subjected to a UDL ofw/m acting over whole the span? j) What is an arch and mention various types of arches? k) Mention the applications of cables in civil engineering structures? l) A light flexible cable 18 m long is supported at two ends located at same level. The supports are 16 m apart. The cable is subjected to uniformly distributed load of 1 kn/m of horizontal length over its entire span. Find the reactions developed at the support? 2. Analyse a continuous beam shown in fig. by using slope deflection method? Draw bending moment diagram? 8 kn 5 kn/m 15 kn A 1m E 3m B 4m C 2m F 2m (I) (2I) (1.5I) 3. Analyse the frame given in fig. by using slope deflection method? D 10 kn/m 50 kn B 4 m (I) 5m (3 I) C 3 m (1.5 I) A D I 4. Analyse the continuous beam shown in fig. by using moment distribution method? EI = Constant. 6 kn 10 kn/m A 2 m D 3 m B 6 m C

2 14CE Draw BMD for the portal frame shown in fig. by using moment distribution method? 10 kn/m B 6 m (1.5EI) C 4 m (2EI) 4 m (2EI) A D II 6. Draw BMD for the beam shown in fig. by Kani s method? EI = Constant. A 2m 8 kn 4m B 2m 3 kn/m C 7. Analyse the frame shown in fig. by using cantilever method? 25kN 3 m 45 kn 4.5 m 3 m 4 m 6 m V 8. Calculate the reactions and max. bending moment for the given3 hinged parabolic arch shown in fig.? 5 kn/m 15 kn C 12 kn 3 m A 1 m 1 m 3 m 5 m B 9. Consider a cable suspended between two level supports A and E, separated by a horizontal distance of 40 m. Three equal concentrated loads of 50 kn each, having symmetrically from the cable at B, C and D spaced at 10 m intervals horizontally with C located exactly in the middle of A and E. Sketch the cable profile. If the value of h C = 4m, find the support reactions and tensions in the various cable segments. Also find the total length of cable?

3 14CE602/CE322 Answer Question No.1 compulsorily. III/IV B.Tech (Regular) DEGREE EXAMINATION Water Resources Engineering-II (1X12 = 12 Marks) (4X12=48 Marks) 1. Answer all questions (1X12=12 Marks) a) Mention necessity of irrigation. b) What type of crops cultivated by Furrow method of irrigation? c) Define water distribution efficiency. d) Mention the functions of cross regulator. e) What are the selection criteria for Syphon Aqueduct? f) Write any merits of Gravity dam. g) What are the differences between elementary profile and practical profile of Gravity dam? h) Write the expression for limiting height of Gravity dam. i) Write the functions of joints in Gravity dam. j) Give any two seepage control measures for Earth dam. k) What is the purpose of spillway? l) What is the use of flow duration curve? 2. a) Define irrigation. What is the necessity of irrigation and mention scope of Irrigation science? b) Explain with neat sketches the different methods of irrigation. 3. a) Explain with neat sketch Drip irrigation including advantages and limitations. b) After how many days will you supply water to field in order to get efficient irrigation, If field capacity of soil is 25%, permanent wilting point is 15%, density of soil =1.5g/cc, effective depth of root zone is 75cm,and daily consumptive use of water for the crop is 10mm? I 4. a) Define an outlet and discuss various types of outlets with neat sketches. b) What is cross drainage work and discuss various types of cross drainage works with neat sketches. 5. a) Explain various functions of canal escape, Cross regulator and Head regulator. b) Explain various factors governing selection of site for a Dam. II 6. a) Explain with neat sketches various forces acting on Gravity Dam. b) Design the practical profile of gravity dam of stone masonry, for the given data: R.L of base of dam=1450m, R.L of full reservoir level (F.R.L) =1480 m, Height of wave = 1m, Specific gravity = 2.4, Safe compressive stress for masonry = 120 t/m a) Explain various modes of failure of gravity dam and also mention the stability criteria for the safety of gravity dam. b) What do you understand by elementary profile of Gravity dam? Derive expression for base width of such dam based on i) stress criteria ii) sliding criteria. V 8. a) Discuss in detail the various failures of earth dams? b) What is spillway? Explain energy dissipation works below spillway according to relative positions of ump height curve and Tail water curve. 9. a) What is the function of stilling basin? Explain the criteria for design of hydraulic jump type stilling basin with horizontal apron. b) Enumerate principle components of a hydroelectric scheme?

4 14CE603/CE323 All questions carry equal marks. IS and SP 16 charts are allowed Answer all questions III/IV B.Tech (Regular) DEGREE EXAMINATION CIVIL ENGINEERING Design of Concrete Structures -IIs (5X12 = 60 Marks) 1.a A reinforced concrete column having 4.5 m effective length of the column and size of the column is 300 X 300 mm carries an axial load of 1500 KN. Design the column. Use M20& Fe415 grade steel. 1.b Design a column of 3.0 m long to carry an axial load of 800 KN. The column is pinned at both ends.use M30 grade concrete and Fe250 grade steel. 2. A five span continuous one-way slab is to be used as an office floor. The centre to centre distance of supporting beams is 3.0m. Consider live load 4 KN/m 2 and floor finish 1.5 KN/m 2 Design the slab using M20 and Fe500 grades. I 3. An interior panel of a slab measures 4.0 X6.0 m centre to centre of supporting beams. Live load and floor finishes are 4 KN/m 2 & 1.0 KN/m 2. The materials are M20 grade concrete and HYSD reinforcement of grade Fe Design an interior panel of a flat slab 5 m X 6.5 m in size,slab with drop panel and resting on columns of size 450 mm diameter an d the slab carries a superimposed load of 4 KN/m 2,Design the slab along shorter span direction only. Adopt M20 grade concrete and Fe500 grade steel. II 5.a A short braced column of size 300 mm X 300 mm is reinforce with 6 no s 18 mm diameter bars. Determine the safe load on column. The materials are M20 grade concrete and mild steel reinforcement. 8M 5.b Write about interaction diagram and explain salient features with neat sketches. 4M 6. A short braced column of size 400 mm X 500 mm is subjected to an axial factored load of 1100 KN and factored moment about major axis of 220 KN-m. Determine the reinforcement in the column. The materials are M20 grade concrete and HYSD bars of grade Fe415. V 7. Design a cantilever retaining wall to retain the earth 4.5 m high above ground level. The top surface is horizontal. Unit weight of back fill is 18KN/m 3. Angle of internal friction is 30 0.The SBC of soil is 120 KN/m 2. Check the stability of wall and also design the stem. Takeµ =0.5. Adopt M20 grade concrete and Fe415 grade steel.

5 14CE603/CE323 8.a. Determine the suitable dimensions of a cantilever retaining wall to retain an earth embankment at a height of 4.0 m above ground level. If the top surface of the back fill is inclined at an angle of 15 0 with horizontal. Density of soil is 16 KN/m 3.The safe bearing capacity of soil is 180 KN/m 2.Angle of internal friction is 30 0, coefficient of friction between concrete and soil is 0.6. Use M20 &Fe415 grades. 7M 8.b List out and explain various forces acting on retaining wall. 5M UNIT V 9. Design a suitable footing for a column of size 300 X 300 mm, reinforced with 6 # 20 mm bars, carrying an axial load of 1200 KN. Safe bearing capacity of soil is 150 KN/m 2. Adopt M25 & Fe415 grades. 10. Design a pile cap to support a column load of 800 KN. Size of the column is 300 X 300 mm. The cap is supported on two no s of 300 mm diameter piles Use M20 & Fe415 grades

6 14CE605/CE325 Answer Question No.1 compulsorily. III/IV B.Tech (Regular/Supplementary) DEGREE EXAMINATION Geotechnical engineering-ii (1X12 = 12 Marks) (4X12=48 Marks) 1 Answer all questions (1X12=12 Marks) a) Define SPT blow count N b) The depth of unsupported vertical cut for the soil having c = 20 kn/m 2, ø= 10 o, γ = 18 kn/m 3 is c) Distinguish between disturbed and undisturbed soils. d) Explain the term area ratio and mention its significance. e) Distinguish between translational and rotational failures f) The angle of slope and frictional angles of soil in infinite slope are 20 o and 30 0 respectively. What is its factor of safety? g) Define Shallow foundation h) What is the effect of eccentricity of loading on bearing capacity? i) Define Safe bearing capacity j) What is negative skin friction k) What is the function of well curb l) Write Engineering News formula to determine allowable load on pile and explain the terms in it. 2 a) Explain the number and disposition of trial pits and borings with reference to sub-soil investigations. b) Explain with neat graphs how can you determine bearing capacity from plate load test data. 3 a) Explain with neat sketch Culmann s graphical method for active case with purely frictional soil. b) A smooth vertical wall, 4 m high, retains a soil with c = 25 kn/m 2, and = 18 kn/m 3. The horizontal backfill surface carries a uniform surcharge load of 50 kn/m 2. If the retaining wall is caused to move towards the soil sufficiently to mobilise passive resistance, draw the pressure distribution diagram. Determine the magnitude and the point of application of the total passive resistance. I 4 a) Explain Friction circle method b) An embankment is to be made from a soil with c u = 20 kn/m 2, φ u =20 o and = 17 kn/m 3. If a factor of safety of 1.5 with respect to shear strength is required for the embankment slope, determine the limiting height of the slope if built at a slope angle of 25 o. 5 a) Write briefly Boussinesq assumptions and formula given for point load at any depth z along with figure. b) A circular area on the ground surface 8m in diameter carries a uniformly distributed load of 5 kn/m 2. Find the vertical pressure a t depth of 3m, 5m, 8m and 12m Also plot variation of stress with depth II 6 a) Explain Skempton s bearing capacity analysis for clayey soils. b) Compcompute the safe bearing capacity of a square footing of size 2.0 m located at a depth of 1.5 m in acohesionless soil layer with an average saturated unit weight of 20 kn/m 3 and theangle of internal friction of The corresponding bearing capacity factors are given as follows: N c =57.8, N q =41.4 and N r =42.4.Assume F.S as 2.5 and water table is quite deep. What will be the percentage reduction in the value if the water table rises to the surface due to ununprecedented rainfall? 7 a) Explain i) causes of settlements ii)methods to reduce differential settlements. b) A rectangular concrete foundation, of dimensions 18m x 36m, exerts a uniform pressure of 180 kn/m 2 on a soil mass, with E = 45 MN/m 2. Determine the value of immediate settlement under the foundation. Given, Poisson s ratio = 0.5 and influence factor = V 8 a) A square pile group of 9piles of 250mm diameter is arranged with a pile spacing of 1m.The length of the pile is 9m.The unit cohesion of the clay is 75kN/m2.Neglecting bearing at the tip of the piles,determine the group capacity.assume an adhesion factor of b) Explain how can you determine capacity of pile in cohesionless soils using static formula 9 a) Draw a neat sketch of components of well foundation and explain functions of each component. b) Explain briefly the consequences of swelling

7 14CE 606B Answer Question No.1 compulsorily. II/IV B.Tech (Regular) DEGREE EXAMINATION REPAIR AND REHABILITATION OF STRUCTURES (1X12 = 12 Marks) (4X12=48 Marks) 1. Answer all questions (1X12=12 Marks) a) What do you mean by retrofitting? b) What is delamination of concrete? c) Explain about freezing and thawing effects? d) List any two quick setting compounds. e) What is the significance of epoxy as repair material? f) Write any two health safety precautions for handling and application of repair materials. g) What do you mean by visual inspection? h) Explain about the significance of overlays. i) How corrosion activity is measured? j) What is dry packing? k) What do you mean by FRP? List out the types of FRP. l) What are the various stages of corrosion damage? UNITI 2. (a) What is rehabilitation? Explain about the need for rehabilitation of structures. (b) State the causes and effects of various cracks in RCC buildings. 3. (a) Explain about different types of maintenance s for monitoring the given structure. 8M (b) State the causes of various damages to masonry structures. 4M UNITII 4. a) Explain about the criteria and methodology for material selection for repairs. b) What is grouting? Explain about different types of grouts. 5. a) Briefly explain about polymer concrete and latex emulsions. b) Explain about the protective coatings for concrete and steel. UNITIII 6. a) Write the differences between semi destructive and non destructive testing. 4M b) Explain about rebound hammer test with neat sketches. 4M c) Explain about probe test with neat sketches. 4M 7. a) Write about the importance of surface/substrate preparation. b) What are the general surface preparation methods? Explain the procedure for reinforcement steel cleaning. UNITIV 8. a) Explain briefly about various methods of crack repair. b) Write about corrosion of embedded steel in concrete. Explain about the various stages of corrosion damage. 9. a) What is jacketing? Explain briefly about various jacketing methods. b) What is strengthening? Explain about beam shear strengthening.

8 CH 316 III/IV B.Tech (Supplementary) DEGREE EXAMINATION Chemical Engineering Fifth Semester Process Dynamics And Control Answer Question No.1 compulsorily. (1X12 = 12 Marks) (4X12=48 Marks) 1.Explain the following(1x12=12 Marks) (a) Time constant of mixing process. (b) What is the amplitude ratio of I order system for a sinusoidal forcing function? (c) Overshoot (d) What are the components of a control system? (e) Which controller has the zero offset? (f) Servo problem (g) Band width (h) Which technique is used for analyzing the stability of a system containing transportation lag? (i) Characteristic equation (j) Zero of open loop transfer function. (k) What is Bode stability criterion? (l) Ultimate gain 2. Derive step response equation for the response of mercury in glass thermometer. 3. (i) What is an interacting and non-interacting system? 4M (ii) Derive an expression for the response of two non-interacting liquid level tanks in series, with equal time constants, for a step change at the inlet flow rate. 8M I 4. Prove that for the single loop feedback system shown in figure below. The transfer function relating any pair of variables X, Y is obtained by the relationship = for negative feedback Where = Product of transfer functions in the pair between the locations of the signals X and Y. = Product of all transfer functions in the loop. 5. Sketch the root locus diagram for open loop transfer function given by ( )( )( )

9 CH 316 II 6. Construct general Bode plots for the following = (a) P Controller. (b) Transportation Lag. (c) First order system. 7. Discuss gain and phase margins in controller system design by frequency response analysis. Write the design specifications for gain and phase margins. V 8. a) How a control valve works? 4M b) Discuss the characteristics of a control valve. 8M 9. Discuss the closed loop Ziegler Nichols method of controller settings. Mention the rules and procedures followed in the method.

10 CE321 APRIL, 2017 Answer Question No.1 compulsorily. III/IV B.Tech (Supplementary) DEGREE EXAMINATION Structural Analysis-II (1X12 = 12 Marks) (4X12=48 Marks) 1 Answer all questions (1X12=12 Marks) a) Illustrate an example for condition of compatibility in a continuous beam which was used in slope deflection method. b) Why 2EI/L used in the slope deflection equation while calculating the moments, explain in terms of rotation. c) How many slope deflection equations are available for a three span continuous beam? d) Briefly explain distribution theorem. e) What is the relative stiffness of a member, whose farther end is hinged? f) What will be the fixed end moments while sway of frame is taken into account? g) What is meant by two cycle method? h) What is the advantage of Kani s method over moment distribution method? i) What is the displacement factor in Kani s method? j) Explain Eddy s theorem. k) Which of two arches, i.e., circular and parabolic arch is preferable to carry a uniformly distributed load? Why? l) What is meant by anchor cables? 2. Analyse the continuous beam shown in Fig-1 using Slope-deflection method and draw B.M.D and S.F.D diagrams also. 3. Analyse the portal frame shown in Fig-2 using Slope-deflection method and draw B.M.D diagram. I 4. Analyse the beam shown in Fig-3 using Moment distribution method and draw B.M.D diagram.

11 CE Analyse the portal frame shown in Fig-4 using Moment distribution method and draw B.M.D diagram. II 6. Analyse the frame shown in Fig-5 using Portal frame method. 7. Determine the support moments for the continuous girder shown in Fig-6 using Kani s method. If the support B sinks by 2.5mm. For all members take I = 3.5 x 10 7 mm 4 and E = 200KN/ mm 2 V 8. A three hinged parabolic arch ACB is hinged at supports A and B which are below the crown hinge C by 3m and 6.75m respectively. The span of arch is 22.5m. The arch carries a U.D.L of 30KN/m from A to C. Find the reactions at supports and maximum positive & negative bending moments. 9. A cable is suspended and loaded as shown in Fig-7. a) Compute the length of cable. b) Compute the horizontal component of tension H in the cable. c) Determine the magnitude and position of maximum tension in the cable.

12 CE 323 Answer all questions III/IV B.Tech (Supplementary) DEGREE EXAMINATION Use of IS is allowed in the examination. Assume suitable data if necessary data Design of Concrete Structures-II (5X12=60 Marks) 1. a)design a helical reinforced short circular column to carry an axial load of1200 KN. Use M20 and Fe415 grades. b) Briefly explain the column reinforcement is negative as a designer, in which way you can provide reinforcement in the column. (9M) (3M) 2. A three span continuous one-way slab is to be used as an office floor. The centre to centre distance of supporting beams is 4.0m. Consider live load 3 KN/m 2 and floor finish 1.0 KN/m 2 Design the slab using M20 and Fe500 grades. () UNITII 3. A two way simply supported slab is resting on 300 mm thick masonry walls on all four sides. If the dimensions are 4.5 m X 4.5 m, design the slab for imposed load of 3 KN/m 2. Assume floor finish suitably. The materials are M20 grade concrete and HYSD reinforcement of grade Fe415. () 4. Design an interior panel of a flat slab directly supported by columns of size 400 X 400 mm and panel 6 m X 6 m in size, carries a superimposed load of 4 KN/m 2,Design the slab. Adopt M20 grade concrete and Fe500 grade steel. () II 5. A) A short braced column of size 230 mm X 300 mm is reinforce with 6 no s 16 mm diameter bars. Determine the safe load on column. The materials are M20 grade concrete and mild steel reinforcement. (8M) b) Write about classification of columns with neat sketches. (4M) 6. A short braced column of size 300 mm X 450 mm is subjected to an axial factored load of 1000 KN and factored moment about major axis of 250 KN-m. Determine the reinforcement in the column. The materials are M20 grade concrete and HYSD bars of grade Fe415. () UNITIV 7. Design a cantilever retaining wall to retain the earth 4.0 m high above ground level. The top surface is horizontal. Unit weight of back fill is 18KN/m 3. Angle of internal friction is 30 0.The SBC of soil is 120 KN/m 2. Check the stability of wall and also design the stem. Takeµ =0.5. Adopt M20 grade concrete and Fe415 grade steel. () 8. A) Determine the suitable dimensionsof a cantilever retaining wall to retain an earth embankment at a height of 4.0 m above ground level. If the top surface of the back fill is inclined at an angle of 15 0 with horizontal. Density of soil is 16 KN/m 3.The safe bearing capacity of soil is 180 KN/m 2.Angle of internal friction is 30 0, coefficient of friction between concrete and soil is 0.6. Use M20 &Fe415 grades. (8M) B) Briefly explain calculation of earth pressure based on Rankin s theory. (4M) UNITV 9. Design a suitable footing for a column of size 300 X 450 mm, reinforced with 6 # 20 mm bars, carrying an axial load of 1200 KN. Safe bearing capacity of soil is 150 KN/m 2.Adopt M25 & Fe415 grades. () 10. Design a pile cap to support a column load of 900 KN. Size of the column is 300 X 300 mm. The cap is supported on three no s of 300 mm diameter piles spaced at 1.2 m centres. Use M20 & Fe415 grades. ()

13 CE 324 III/IV B.Tech (Supplementary) DEGREE EXAMINATION Design of Steel Structures - II Use of IS: code,is 875 code and steel tables are permitted (5X12=60 Marks) UNIT- I 1. Design a simply supported gantry girder to carry one electric overhead travelling crane, given, - Span of gantry girder= 6.5 m, Span of crane girder= 16 m, Crane capacity=250kn, Self weight of crane girder excluding trolley=200kn, Self weight of trolley= 50 KN, Minimum hook approach=1.0 m, Distance between wheels= 3.5m, Self weight of rails= 0.3 KN/m. Check the section for moment capacity only. 2. The following data refers to a gantry girder on which an electrically operated crane of capacity 200 KN moves, Span of gantry girder=6.0 m, Span of crane girder = 18m, Crane capacity= 200m, Self weight of crane girder= 180KN, Self weight of trolley= 75 KN, Minimum hook approach= 1.0m, Distance between wheels= 3.5m, Self weight of rails= 0.3 KN/m. Check whether ISMB 600 with ISMC 300 on compression flange is adequate to (a) carry moment (b) carry shear force (c) in buckling resistance (d) in limiting deflection. UNIT -II 3 Design a welded plate girder 24 m in span and laterally restrained throughout. It has to support a uniform load of 100 KN/m throughout the span exclusive of self weight. Avoid use of bearing and intermediate stiffeners. Use Fe 410 steel. 4 Design a welded plate girder of 20 m span using the tension field action for the following factored forces: Maximum moment, M z = 5000 KN-m, Maximum shear force = 900 KN, The girder is laterally restrained. Connections design are not required. UNIT- III 5 Determine the various loads to be considered for designing a truss near Jabalpur, for the following data : Class of building= General with life of 50 years, Terrain category=2, Size of building= 18 m x 40 m, Height of eve board = 12m. Topography = Plan area (slope<3 0 ), Permeability= medium, Span of truss= 18m, Pitch= ¼, Sheeting: A.C.Sheets, Spacing of purlins= 1.4m, Spacing of trusses= 5m. 6 Design an I-section purlin for an industrial building to support a galvanized corrugated iron sheet roof. Given: Spacing of the trusses= 5.0m, Spacing of purlins= 1.5m, Inclination of main rafter to horizontal= 30 0, Weight of galvanized sheets taking into account laps and connecting bolts= 130 N/m 2. Imposed snow load= 1.5 KN/m 2, Wind load= 1.0 KN/m 2 suction. UNIT -IV 7 Design a pressed steel water tank for the following data: Capacity = 90,000 litres, Height of tank container = 2.5 m, Size of pressed plates = 1.25 m x 1.25 m 8 Design the diagonal braces, cross beams and longitudinal girders, columns of a rectangular steel tank supporting structure for the following data: Capacity of the tank= 90,000 litres, Height from top of base to top of columns = 12m, Design wind pressure = 1200 N/m 2, Yield stress of steel = 250 N/mm 2, Size of the tank = 6.25 x 6.25 x 2.5 m, wall thickness=6mm. UNIT -V 9 A column ISHB N/m carries an axial compressive factored load of 1700 KN. Design a suitable welded gusset base. The base rests n M15 grade of concrete. 10 A non-sway column in a building frame with flexible joints is 4 m high and subjected to the following load and moment: Factored axial load = 500 KN, Factored moment M z at top of column = 27.0 KN-m and at bottom of column = 45.0 KN-m. Design a suitable beam column assuming f y =250 N/mm 2. Take the effective length of the column as 0.8L along both the axes.