RCC Structures Design

51. Design of R.C.C. cantilever beams, is based on the resultant force at

  1. Fixed end
  2. Free end
  3. Mid span
  4. Mid span and fixed support

Correct answer: (A)
Fixed end

52. Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at

  1. Supports
  2. Mid span
  3. Every section
  4. Quarter span

Correct answer: (B)
Mid span

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

  1. 10 kg/cm2
  2. 15 kg/cm2
  3. 20 kg/cm2
  4. 25 kg/cm2

Correct answer: (C)
20 kg/cm2

54. Distribution of shear intensity over a rectangular section of a beam, follows:

  1. A circular curve
  2. A straight line
  3. A parabolic curve
  4. An elliptical curve

Correct answer: (C)
A parabolic curve

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

  1. Load
  2. Temperature stress
  3. Shrinkage stress
  4. All the above

Correct answer: (D)
All the above

56. Enlarged head of a supporting column of a flat slab is technically known as

  1. Supporting end of the column
  2. Top of the column
  3. Capital
  4. Drop panel

Correct answer: (C)
Capital

57. For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

  1. 1
  2. 2
  3. 3
  4. 5

Correct answer: (B)
2

58. For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is

  1. 0.6
  2. 0.7
  3. 0.8
  4. 0.9

Correct answer: (D)
0.9

59. For a number of columns constructed in a rcjw, the type of foundation provided, is

  1. Footing
  2. Raft
  3. Strap
  4. Strip

Correct answer: (D)
Strip

60. For a ribbed slab

  1. Clear spacing between ribs shall not be greater than 4.5 cm
  2. Width of the rib shall not be less than 7.5 cm
  3. Overall depth of the slab shall not exceed four times the breadth of the rib
  4. All the above

Correct answer: (D)
All the above

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