Structural Design Online Test – Paper 3

1. The limits of the percentage of the longitudinal reinforcement in a column are given by

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

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

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

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

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

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

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

9. The neutral axis of a T-beam exists

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

11. After casting, an ordinary cement concrete on drying

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

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

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

15. If the effective length of a 32 cm diameter column is 4.40 mts slenderness ratio is

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

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

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

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

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

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

22. A beam curved in plan is designed for

23. For a two-way slab, the main reinforcement is provided along the

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

25. In an RCC beam, if the amount of steel increases, the depth of N.A.

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

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

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

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

30. The strength of concrete is directly proportional to

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

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

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

34. The workability of concrete can be improved by

35. The advantage of reinforced concrete is due to

36. Strength of concrete show an increase with

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

38. Spacing of stirrups in a rectangular beam is

39. The size of fine aggregates does not exceed

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

41. The approximate ratio of the direct tensile strength to direct compressive strength test

42. The strength and quality of concrete depends on

43. The maximum bulking factor for sand is

44. In a singly reinforced beam (concrete), as the load increases

45. Weight of steel per cubic meter (m³)

46. The minimum straight lap length in tension bars with hooks in an RCC beam is

47. Shear stress is not taken by

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

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

50. A column fails by buckling is called a long column while failure by crushing is called