rcc design beams slabs footings columns staircases retaining walls water tanks limit state and working stress methods - Question Bank
1. The minimum thickness of a water tank wall to resist hydrostatic pressure is determined by:
2. The limiting moment of resistance of a singly reinforced rectangular beam depends on:
3. In a doubly reinforced beam, the additional compression reinforcement is provided when:
4. The depth of the foundation for a retaining wall is primarily determined by:
5. The minimum diameter of shear reinforcement (stirrups) in a beam is generally:
6. The load factor for dead load and live load in limit state design, according to IS 456:2000, is typically:
7. The design of a footing is governed by:
8. For a slab supporting a heavy load and having a large span, the shear reinforcement is generally required when the average shear stress exceeds:
9. The critical section for shear in a beam, according to IS 456:2000, is at:
10. In the working stress method, the stress distribution in concrete is assumed to be:
11. The maximum percentage of steel reinforcement in a column is limited to:
12. The minimum grade of concrete for plain concrete footings is:
13. For a cantilever beam, the effective span is taken as:
14. The lap length of reinforcement bars in tension is generally taken as:
15. The stress block parameters in limit state design for concrete are based on the:
16. The main reinforcement in a one-way slab is provided along the:
17. In a retaining wall, the soil pressure acting on the backfill is:
18. The slenderness ratio of a column is the ratio of its effective length to its:
19. The minimum clear cover for main reinforcement in a reinforced concrete beam exposed to weather is:
20. In the limit state of collapse, the partial safety factor for loads is applied to:
21. The maximum amount of compression reinforcement in a beam, according to IS 456:2000, is:
22. The bond stress in plain bars is generally:
23. In the design of staircases, the tread is the horizontal part and the riser is the:
24. The effective length of a column is the product of its unsupported length and a factor that depends on:
25. The limiting depth of the neutral axis for a singly reinforced rectangular beam in Fe 415 steel is approximately:
26. For a two-way slab simply supported on all four sides, the ratio of the longer span to the shorter span, beyond which it is considered a one-way slab, is:
27. The minimum percentage of tension reinforcement in a singly reinforced rectangular beam is:
28. The maximum spacing of shear reinforcement (stirrups) in a beam, according to IS 456:2000, is the least of:
29. In the working stress method, the stress in concrete at the extreme fiber is limited to:
30. For water tanks, the concrete mix should be:
31. The modular ratio 'm' is defined as the ratio of the modulus of elasticity of steel to the modulus of elasticity of concrete, i.e., m = Es / Ec. Its value is approximately:
32. The function of transverse reinforcement (stirrups) in a beam is to resist:
33. The minimum diameter of longitudinal reinforcing bars in a column is:
34. In the limit state of serviceability, the deflection is checked for:
35. The effective width of a flange for a continuous T-beam is taken as:
36. A T-beam is considered as a rectangular beam when the neutral axis is located:
37. The development length of a bar is the length of embedment required to develop the:
38. For a column subjected to axial load and bending, the stress distribution is assumed to be:
39. The minimum reinforcement in a slab is provided to:
40. In the limit state of collapse, the design load is obtained by multiplying the service load by a:
41. The shear strength of concrete is primarily dependent on:
42. For footing design, the maximum bending moment is usually calculated at the:
43. The limiting deflection for a simply supported beam, as per IS 456:2000, is generally taken as a fraction of the span. The common fraction is:
44. In the working stress method, the stress distribution in concrete and steel at the ultimate load is assumed to be:
45. For a rectangular column, the minimum eccentricity is taken as:
46. The minimum grade of concrete for reinforced concrete work exposed to moderate conditions as per IS 456:2000 is:
47. According to IS 456:2000, the maximum diameter of reinforcing bars that can be used in a one-way slab without shear reinforcement is:
48. The effective span of a simply supported beam is taken as:
49. In limit state design of reinforced concrete, the limit state of collapse corresponds to: