Structural Design Online Test – Paper 3

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

2. Addition of sugar in concrete results in

3. If a beam fails in bond, then

4. The main reason for providing a number supported beam is to resist in that zone

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

6. A T-beam behaves like a rectangular beam of width equal to its flange if its neutral axis

7. For an RCC section, select the most true statement from the following

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

9. The slenderness ratio of an RCC column is given by (Where, r=radius of gyration, l=effective length, B=width, D=diameter)

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

11. Which of the following factors influence the strength of concrete?

12. The beam section is redesigned if the shear stress exceeds the allowable shear stress by ... times

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

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

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

16. In a two-way slab, the torsion steel is provided at the

17. In R.C.C. works, the proportion of the mixture 1:1.5:3, the volume of the cement is in

18. Workability of concrete is inversely proportional to

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

20. Bottom reinforcement in a beam is subjected to

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

22. The enlarged head of a supporting column of a flat slab is technically known as

23. The strength of concrete increases with an increase in

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

25. Dimensions of a beam need to be changed if the shear stress is more than

26. The spacing of transverse reinforcement of a column is decided by the following consideration

27. If the corners of a two-way slab are held down firmly

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

29. Modulus of elasticity for concrete improves by

30. After casting, an ordinary cement concrete on drying

31. The strength and quality of concrete depends on

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

33. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth is

34. Shear stress is not taken by

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

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

37. The minimum cover to the main bars in an RCC beam should be

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

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

40. The minimum number of main bars in a circular column is

41. An RCC element, 1 m deep and 0.5 m wide will require minimum reinforcement @ 1% of the gross sectional area, what will be the area of reinforcing bars?

42. The factor of safety for steel is based on its

43. An air entraining agent when added in concrete improves

44. A doubly reinforced beam is used

45. The entrapped air in concrete

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

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

48. Separation of ingredients from concrete during transportation is known as

49. As the size of the cube increases, the strength of the cube

50. Presence of oils in water for concreting