Structural Design Online Test – Paper 3

1. Spacing of stirrups in a rectangular beam is

2. A diagonal crack is introduced in a beam due to

3. Generally, the compressive strength of the cover block is more than the compressive strength of the concrete. The main function of the cover block is

4. Shear stress diagram of a homogeneous beam is

5. In a simply supported slab, alternate bars are curtailed at

6. An RCC roof slab is designed as a two-way slab if

7. The minimum amount of steel required in RCC column (230x350) is

8. The entrapped air in concrete

9. The center-to-center spacing of vertical stirrups in a rectangular beam is

10. Distribution reinforcement in a simply supported slab is provided to distribute

11. The minimum diameter of bars for a slab is generally

12. In a column, the pitch of the ties shall be

13. The slab built integrally with the supporting columns without any beams is

14. Distribution of shear intensity over a rectangular section of a beam follows

15. In the case of the foundation of rigid base, the distribution pressure on the soil is

16. A rib slab is provided for

17. After casting, an ordinary cement concrete on drying

18. In the case of a cantilever beam, main reinforcement is provided

19. The maximum bulking of sand generally occurs at a percentage moisture content of

20. Placing of concrete should preferably be done at a temperature of

21. Presence of oils in water for concreting

22. In R.B. slab, the permissible compressive stress in bricks is generally taken as

23. The lap length of a direct tension reinforcement bar in an RCC beam should be more than

24. The quantity of coarse aggregate required in 100 m³ of concrete having mix 1:2:4

25. As per IS: 456:2000, the minimum diameter of reinforcement in a column shall not be less than

26. In a T beam overall depth of rib (in case of heavy load) is

27. In a rectangular R.C.C beam, the ratio of the maximum shear stress to average shear stress is

28. Laps in bars are equal to

29. The lower water-cement ratio in concrete products

30. The ratio of diameter of reinforcing bars and the slab thickness is

31. Minimum spacing between horizontal parallel reinforcements of the same size should not be less than

32. The minimum cover at the end of reinforcement should be

33. Side face reinforcement is provided in a beam when the depth of the web in a beam exceeds

34. A circular slab, when subjected to external loading, deforms to assume a shape of

35. Due to shrinkage stress, a simply supported beam having reinforcement only at the bottom tends to

36. The minimum vertical spacing of the main bars in an RCC beam should be

37. The workability of concrete is directly proportional to

38. In cold weather, concrete curing should be continued for... days

39. The minimum length of the bar which must be embedded in concrete beyond any section to develop bond is

40. The ratio of effective length of a column which is fixed at both ends to the distance between the supports is about

41. The resistance offered to slipping of steel bars in concrete is due to

42. Spacing of longitudinal bars measured along the periphery of the column should not be more than (as per IS: 456-2000)

43. The compressive strength of concrete determined from a 150mm × 150mm cylinder as compared to that determined from a 150mm cube is

44. A reinforced concrete beam will crack if tensile stress set up in the concrete below the neutral axis is

45. The maximum spacing of side-face reinforcement in a beam should be

46. For a reinforced concrete section, the shape of shear stress diagram is

47. In a doubly reinforced beam, the maximum shear stress occurs

48. The size of fine aggregates does not exceed

49. The ultimate tensile strength of structural mild steel is about

50. The minimum cover in a slab is neither less than the diameter of the bar nor less than