Basics In Civil Engineering

  41. When slenderness ratio is greater than 12 then type of column is.......... a) Long column b) Short column Answer: a) Long column    42. According to IS code Minimum area of main reinforcement in column is …… of gross area of column a) 0.8% b) 0.6% c) 0.5% d) 0.7% Answer: a) 0.8%    43. According to IS code Minimum number of bars in circular column should be.......... a) 4 b) 5 c) 6 d) 9 Answer: c) 6    44. According to IS code Maximum area of main reinforcement in column is …… of gross area of column a) 8% b) 6% c) 9% d) 4% Answer: b) 6%    45. According IS Code Minimum diameter of bar used for transverse reinforcement in column is..... a) 5 mm b) 6 mm c) 8 mm d) 10 mm Answer: b) 6 mm    46. The minimum number of main steel bars provided in R.C.C. column shoul...

31. If there is simply supported one way slab having span 3000 mm and modification ratio is 1.4, then effective depth of slab will be.......... a) 142.85 mm b) 107.14 mm c)85.71 mm d) 71.42 mm Answer: b) 107.14 mm   32. For one way simply supported slab having span of 4000 and effective depth 150 mm then it's effective span will be.......... a) 3850 mm b) 4000 mm c) 4150 mm d) None of these Answer: c) 4150 mm   33. For cantilever slab having clear span of 1000 and effective depth 150 mm then its effective span will be.......... a) 1075 mm b) 1150 mm c) 850 mm d) None of these Answer: a) 1075 mm   34. If main steel reinforcement is provided along both span the type of slab is.......... a) One way slab b) Two way slab Answer: b) Two way slab   35. Distribution reinforcement in a simply supported slab, is provi...

 21. According to the IS code 456:2000, the maximum spacing between the vertical stirrups should not be greater than  .......... a) 0.7 d or 200 mm whichever is less b) 0.75 d or 200 mm whichever is less c) 0.7 d or 300 mm whichever is less d) 0.75 d or 300 mm whichever is less Answer: d) 0.75 d or 300 mm whichever is less    22. Following is the forms of shear reinforcement used in beam  .......... a) Vertical stirrups b) Inclined stirrups c) Bent up bars d) All the above Answer: d) All the above    23. For M 20 grade concrete value of design bond stress for plain bars in tension is .......... a) 1.6 b) 1.2 c) 1.3 d) 1.5 Answer: b) 1.2    24. According to IS code, Maximum shear stress resisted by M 20 concrete is  .......... a) 2.5 N/mm2 b) 2.8 N/mm2 c) 3.1 N/mm2 d) 3.5...

11. In singly reinforced beams, steel reinforcement is provided in ............ a) Tensile zone b) Compressive zone c) Both tensile and compressive zone d) At Neutral axis Answer: a) Tensile zone    12. In singly reinforced beam, effective depth is measured from the compression edge to the ............ a) Tensile edge b) Centre of tensile reinforcement c) Neutral axis of the beam d) None of these Answer: b) Centre of tensile reinforcement   13. The compressive strength of concrete is about 10 to 15% of its tensile strength a) True b) False Answer: b) False   14. Number of grades of concrete specified by IS 456: 200 are.......... a) 05 b) 10 c) 15 d) 20 Answer: c) 15   15. Minimum grade of concrete prescribed by IS 456: 2000 is .......... a) M 10 for PCC and M 20 for RCC b) M 20 for PCC and M 10 for RCC c) M 15...