TV
Civil Engineering - Objective
1. Creep strain is
1) caused due to dead load only
2) caused due to live load only
3) caused due to cyclic load only
4) independent load
2. If the shear force at a section of beam under bending is equal to zero then the bending moment at the section is
1) zero 2) maximum
3) minimum 4) constant
3. An axially loaded bar is subjected to a normal stress of 173MPa. The shear stress in the bar is
1) 75MPa 2) 86.5MPa
3) 100MPa 4) 122.3MPa
4. The maximum bending stress induced in a steel wire of modulus of elasticity 200KN/mm2 and diameter 1mm when wound on a drum of diameter 1m is approximately equal to
1) 50N/mm2 2) 100N/mm2
3) 200N/mm2 4) 400N/mm2
5. For excavating rocks, the most suitable equipment is
1) drag line 2) power showel
3) clam shell 4) hoe
6. The effective length of a column of length L fixed against rotation and translation at one end is
1) 0.5L 2) 0.7L 3) 1.414L 4) 2L
7. The bulk modulus of Elasticity of a material is twice its modulus of rigidity. The Poisson's ratio of the materials is
1) 2) 3) 4)
8. In a strained body, three principal stresses at a point are denoted by s1, s2 and s3such that s1> s2 >s3 . If s0 denoted yeild stress, then according to the maximum Shear stress theory.
1) s1 - s2 = s0 2) s1 - s3 = s0
3) s2 - s3 = s0 4)
9. If the hinged end of a propped cantilever of span L settles by an amount d, then the rotation of the hinged end will be
1) 2) 3) 4)
10. According to maximum Shear stress criterion, at what ratio of maximum Shear stress to yield stress of material does the yielding of material take place
1) 2 2) 3) 4)
11. The unit of dynamic viscosity of a fluid is
1) 2) 3) 4)
12. If a small concrete cube is submerged deep in still water in such a way that the pressure exerted on all faces of the cube is 'P', then the maximum Shear stress developed inside the cube is
1) 0 2) P/2 3) P 4) 2P
13. An inert tracer is injected continuously from a point in an unsteady flow field. The locus of locations of all the tracer particles at an instance of time represents
1) streamline 2) Pathline
3) streamtube 4) streakline
14. The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch would be
1) 1.0 2) 1.5 3) 2.0 4) 2.5
15. The kinetic energy correction factor for a fully developed Laminar flow through a circular pipe is
1) 1.00 2) 1.33 3) 2.00 4) 1.50
16. For steady incompressible flow through a closed conduit of uniform cross section, the direction of flow will always be
1) from higher to lower elevation
2) from higher to lower pressure
3) from higher to lower velocity
4) from higher to lower piezometric head
17. Cavitation is caused by
1) high velocity 2) low pressure
3) high pressure 4) high temperature
18. Both Reynold's and Froude numbers assume significance in one of the following examples
1) Motion of submarine at large depths
2) Motion of ship in deep seas
3) crusing of missile in air
4) flow over spilways
19. At a hydraulic jump, the depths at the two sides are 0.3m and 1.4m, the head loss in the jump is nearly
1) 0.1m 2) 0.95m 3) 0.79m 4) 0.45m
20. The function of an air vessel in a reciprocating pump is to obtain
1) reduction of suction head
2) rise in delivary head
3) continuous supply of water at uniform rate
4) increase in supply of water
21. The number of independent elastic constants for a linear elastic isotropic and homogeneous material is
1) 4 2) 3 3) 2 4) 1
22. The unit Load method used in structural analysis is
1) applicable only to statically intermediate structures
2) another name for stiffness method
3) an extension of Maxwells reciprocal theorem
4) derived from Castigliano's theorem
23. What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam
1) rectangular 2) triangular
3) parabolic 4) circular
24. The partial factor of safety for concrete as per IS 456:2000 is
1) 1.50 2) 1.15 3) 0.87 4) 0.446
25. The delta for a crop having base period 120 days is 70cm. What is the duty
1) 2480 hectare/cumec
2) 1481 hectare/cumec
3) 148 hectare/cumec
4) 1.481 hectare/cumec
26. In a steel plate with bolted connection, the rupture of the net section is a mode of failure under
1) tension 2) compression
3) flexure 4) shear
27. A soil sample has a void ratio of 0.5 and its porocity will be close to
1) 50% 2) 66% 3) 100% 4) 33%
28. The treatment that should be given to the water from a deep tube well is
1) pre-settling only
2) coagulation and flocculation only
3) filtration only 4) disinfection only
29. The disinfection efficiency of chlorine in water treatment
1) is not dependent of pH value
2) is increase by increased pH value
3) remains constant at all pH value
4) is reduced by increased pH value
30. Zero hardness of water is achieved by
1) Lime soda process
2) Excess lime treatment
3) Ion exchange treatment
4) Excess alum and lime treatment.
31. A circular sewer of diameter 1m carries strom water to a depth of 0.75m. The hydraulic radius is approximately
1) 0.3m 2) 0.4m 3) 0.5m 4) 0.6m
32. Non-disposal of solid waste may cause the spread of
1) malaria 2) rodents related plague
3) typhoid 4) dysentry
33. If duty (D) is 1428 hectares/cumec and base period(B) is 120 days for an irrigated crop. then delta (D) in meters is given by
1) 102.8 2) 0.73 3) 1.38 4) 0.01
34. The depth of flow of an alluvial channel is 1.5m. If critical velocity ratio is 1.1 and Manning's n is 0.018. The critical velocity of a channel as per Kennedy's methods.
1) 0.713 m/s 2) 0.784 m/s
3) 0.879 m/s 4) 1.108 m/s
Answers
1) 1 2) 4 3) 2 4) 3 5) 2
6) 4 7) 2 8) 2 9) 3 10) 4
11) 2 12) 1 13) 4 14) 4 15) 3
16) 4 17) 2 18) 3 19) 3 20) 3
21) 3 22) 4 23) 3 24) 1 25) 2
26) 1 27) 4 28) 4 29) 4 30) 3
31) 1 32) 3 33) 2 34) 2
