Structural Design Online Test – Paper 3

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

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

3. The strength of concrete is directly proportional to

4. The factor of safety for steel as compared to concrete is

5. The minimum overall depth kept at the edge of R.C. footings is

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

7. Strength of concrete increases with

8. The long column takes a lesser load as compared to a short column due to

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

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

11. The maximum strain in the tension reinforcement in the section of a flexural member at failure shall not be less than (if fy is the characteristic strength of steel and Es is the modulus of elasticity of steel)

12. The maximum ratio of span to depth ratio of a slab simply supported and spanning in one direction is

13. In a beam, the spacing of shear reinforcement is kept... at the center as compared to the end

14. Workability of concrete is inversely proportional to

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

16. The thickened part of a flat slab over its supporting column is technically known as

17. High increase in temperature......the strength of concrete.

18. Shear stress diagram of a homogeneous beam is

19. In an RCC beam, N.A means

20. A rib slab is provided for

21. Minimum spacing between horizontal parallel reinforcements of different sizes should not be less than

22. Surface vibrator is effective only when the thickness of concrete does not exceed

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

24. The moment of resistance of an under-reinforced section is computed on the basis of

25. The size of fine aggregates does not exceed

26. Which type of vibrator is generally used in concrete work

27. Steel beam theory is used for

28. If a beam is loaded transversely the maximum compressive stress develops on

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

30. Strength of tor steel as compared to mild steel is

31. Singly reinforced beam & doubly reinforced beam are decided based on

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

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

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

35. The cover provided in the column having size less than 200 mm x 200 mm is

36. Poisson's ratio for concrete

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

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

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

40. A balanced design of a beam is a condition where the ..... stresses occurring are equal to the permissible stress.

41. If the thickness of the slab is 100 mm then the maximum diameter of the bar placed in the slab should be

42. Shrinkage in concrete increases its

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

44. The shear reinforcement in an RCC beam is provided to resist

45. Weight of steel per cubic meter (m³)

46. Concrete gains strength due to

47. Modulus of elasticity for concrete improves by

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

49. The one-way slab is one

50. The slope of weep hole is generally provided at (spacing- 1.5 to 3.0m)