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MCQs

Total Questions : 1012 | Page 7 of 102 pages
Question 61. According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
  1.    0.43 d
  2.    0.55 d
  3.    0.68 d
  4.    0.85 d
 Discuss Question
Answer: Option A. -> 0.43 d
Question 62. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
  1.    the front face in one direction
  2.    the front face in both directions
  3.    the inner face in one direction
  4.    the inner face in both directions
 Discuss Question
Answer: Option C. -> the inner face in one direction
Question 63. Which of the following R.C. retaining walls is suitable for heights beyond 6m?
  1.    L-shaped wall
  2.    T-shaped wall
  3.    counterfort type
  4.    all of the above
 Discuss Question
Answer: Option C. -> counterfort type
Question 64. Which of the following has high tensile strength ?
  1.    plain hot rolled wires
  2.    cold drawn wires
  3.    heat treated rolled wires
  4.    all have same tensile strength
 Discuss Question
Answer: Option B. -> cold drawn wires
Question 65. Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is
  1.    M15
  2.    M20
  3.    M10
  4.    M25
 Discuss Question
Answer: Option A. -> M15
Question 66. The purpose of reinforcement in pre-stressed concrete is
  1.    To provide adequate bond stress
  2.    To resist tensile stresses
  3.    To impart initial compressive stress in concrete
  4.    All of the above
 Discuss Question
Answer: Option C. -> To impart initial compressive stress in concrete
Question 67. The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by
  1.    tcr – rcs = tct
  2.    fcr>fcs>fc.
  3.    fcr
  4.    fc5>fcr>fC
 Discuss Question
Answer: Option B. -> fcr>fcs>fc.
Question 68. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is
  1.    3.5 m
  2.    4 m
  3.    4.5 m
  4.    5 m
 Discuss Question
Answer: Option A. -> 3.5 m
Question 69. According to IS: 456-1978, the column or the strut is the member whose effective length is greater than
  1.    The least lateral dimension
  2.    2 times the least lateral dimension
  3.    3 times the least lateral dimension
  4.    4 times the least lateral dimension
 Discuss Question
Answer: Option C. -> 3 times the least lateral dimension
Question 70. If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
  1.    balanced beam
  2.    under-reinforced beam
  3.    over-reinforced beam
  4.    none of the above
 Discuss Question
Answer: Option C. -> over-reinforced beam

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