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MCQs

Total Questions : 1012 | Page 8 of 102 pages
Question 71. The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)
  1.    wR / 4d
  2.    wR/2d
  3.    wR/d
  4.    2wR/d
 Discuss Question
Answer: Option B. -> wR/2d
Question 72. Stress strain curve of high tensile steel
  1.    has a definite yield point
  2.    does not show definite yield point but yield point is defined by 0.1% proof stress
  3.    does not show definite yield point but yield point is defined by 0.2% proof stress
  4.    does not show definite yield point but yield point is defined by 2% proof stress,
 Discuss Question
Answer: Option C. -> does not show definite yield point but yield point is defined by 0.2% proof stress
Question 73. While designing the pile as a column, the end conditions are nearly
  1.    both ends hinged
  2.    both ends fixed
  3.    one end fixed and other end hinged
  4.    one end fixed and other end free
 Discuss Question
Answer: Option C. -> one end fixed and other end hinged
Question 74. In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always
  1.    zero
  2.    tensile
  3.    compressive
  4.    tensile or compressive
 Discuss Question
Answer: Option C. -> compressive
Question 75. For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
  1.    50 mm
  2.    75 mm
  3.    100 mm
  4.    120 mm
 Discuss Question
Answer: Option B. -> 75 mm
Question 76. The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
  1.    top face perpendicular to wall
  2.    bottom face perpendicular to wall
  3.    both top and bottom faces perpendicular to wall
  4.    none of the above
 Discuss Question
Answer: Option A. -> top face perpendicular to wall
Question 77. For walls, columns and vertical faces of all structural members, the form work is generally removed after
  1.    24 to 48 hours
  2.    3 days
  3.    7 days
  4.    14 days
 Discuss Question
Answer: Option A. -> 24 to 48 hours
Question 78. As compared to ordinary portland cement, high alumina cement has
  1.    higher initial setting time but lower final setting time
  2.    lower initial setting time but higher final setting time
  3.    higher initial and final setting times
  4.    lower initial and final setting times
 Discuss Question
Answer: Option A. -> higher initial setting time but lower final setting time
Question 79. The compressive strength of 100 mm cube as compared to 150 mm cube is always
  1.    less
  2.    more
  3.    equal
  4.    none of the above
 Discuss Question
Answer: Option B. -> more
Question 80. Approximate value of shrinkage strain in concrete, is
  1.    0.003
  2.    0.0003
  3.    0.00003
  4.    0.03
 Discuss Question
Answer: Option B. -> 0.0003

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