Structural Design Online Test – Paper 3

1. The lower water-cement ratio in concrete products

2. In a slab, the pitch of the distribution reinforcement should not exceed its effective depth

3. The main reason for placing the main bar at the top in the case of a cantilever slab is

4. The amount of reinforcement for main bars in a slab is based upon

5. Shear stress diagram of a homogeneous beam is

6. Unsoundness of cement due to magnesia can be determined by

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

8. Presence of oils in water for concreting

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

10. Modulus of rupture is a measure of

11. The strength and quality of concrete depends on

12. In the working stress design, the allowable bending compressive strain in RCC is

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

14. For a continuous slab of 3m x 3.5m size, the minimum overall depth of the slab to satisfy vertical deflection limit is

15. In a two-way slab, the lifting of corners occurs due to

16. According to the load factor method, the permissible load W on a short column reinforced with longitudinal bars and lateral stirrups is

17. Increased depth of a beam causes

18. Minimum embedment of reinforcement in a concrete flexural member should be

19. For a cantilever of effective depth of 50cm, the maximum span to satisfy vertical deflection limit is

20. In an over-reinforced concrete section, the failure starts at

21. According to the steel beam theory of doubly reinforced beams

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

23. The types of failure in which stress in concrete and steel reaches its permissible value at a time is called balance failure. At this stage, the location of the neutral axis is

24. A column is considered as a long column if its slenderness ratio is more than

25. In an RCC beam, N.A means

26. The effective span of a simply supported slab is

27. Laps in bars are equal to

28. The maximum reinforcement in a column to consider the practical problem is

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

30. A rib slab is provided for

31. A simply supported beam shall be deemed to be a deep beam if the ratio of effective span to overall depth is

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

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

34. Weep holes are provided in retaining and breast walls to

35. An air entraining agent when added in concrete improves

36. The types of failure occurring in a beam due to shear force is termed as

37. For a cantilever beam, the span to effective depth ratio is generally restricted to

38. The maximum diameter of bars in a beam is limited to

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

40. In a slab, the pitch of the main reinforcement should not exceed its effective depth

41. The effective width of a column strip of a flat slab is

42. The amount of reinforcement for main bars in a slab is based on

43. Spacing of stirrups in a rectangular beam is

44. The diameter of bars normally used in a column is

45. In a column, the minimum cover provided at the end of reinforcement is

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

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

48. Strength of concrete increases with

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

50. A rigid frame is a structure composed of members which are connected by