Structural Design Online Test – Paper 3

1. The safe bond stress between concrete and steel is determined by

2. A slender column is a

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

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

5. 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

6. The strength of concrete is directly proportional to

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

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

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

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

11. In a beam section, if the steel reinforcement is of such a magnitude that the permissible stresses in concrete and steel are developed simultaneously, the section is known as

12. The approximate ratio of the direct tensile strength to flexural strength is

13. A beam curved in plan is designed for

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

15. Modulus of elasticity for concrete improves by

16. The anchorage value of a standard bend is

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

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

19. Fineness modulus of fine aggregate is between

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

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

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

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

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

25. If a beam fails in bond, then

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

27. 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?

28. Addition of sugar in concrete results in

29. The reinforcement is bent at an inclination of angle at the ends of the beam

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

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

32. Strength of concrete increases with

33. Two layers of tensile reinforcement bars are placed in a flexural member in such a way that the effective depth would be

34. In R.C.C. beams, the tension reinforcement can be cut off at a point when it is no longer needed if

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

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

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

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

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

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

41. The transverse shear reinforcement in RCC beams can be provided as

42. 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)

43. In a singly reinforced beam, the effective cover is measured from

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

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

46. Strength of concrete increases with

47. Large size aggregate is better in yield high strength but in no case greater than

48. Workability of concrete is inversely proportional to

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

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