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MCQs

Total Questions : 1549 | Page 8 of 155 pages
Question 71. According to the steel beam theory of doubly reinforced beams
  1.    Tension is resisted by tension steel
  2.    Compression is resisted by compression steel
  3.    Stress in tension steel equals the stress in compression steel
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 72. The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon
  1.    Breadth of the rib
  2.    Overall thickness of the rib
  3.    Centre to centre distance between T-beams
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 73. An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus
  1.    Triangular load of the wall
  2.    UDL of wall
  3.    UDL of wall + load from the roof
  4.    Triangular load + load from the roof
 Discuss Question
Answer: Option C. -> UDL of wall + load from the roof
Question 74. The maximum area of tension reinforcement in beams shall not exceed
  1.    0.15 %
  2.    1.5 %
  3.    4 %
  4.    1 %
 Discuss Question
Answer: Option C. -> 4 %
Question 75. An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is
  1.    8.3 kg/cm²
  2.    7.6 kg/cm²
  3.    21.5 kg/cm²
  4.    11.4 kg/cm²
 Discuss Question
Answer: Option A. -> 8.3 kg/cm²
Question 76. Lapped splices in tensile reinforcement are generally not used for bars of size larger than
  1.    18 mm diameter
  2.    24 mm diameter
  3.    30 mm diameter
  4.    36 mm diameter
 Discuss Question
Answer: Option D. -> 36 mm diameter
Question 77. After pre-stressing process is completed, a loss of stress is due to
  1.    Shrinkage of concrete
  2.    Elastic shortening of concrete
  3.    Creep of concrete
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 78. If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be
  1.    5 cm
  2.    10 cm
  3.    15 cm
  4.    20 cm
 Discuss Question
Answer: Option B. -> 10 cm
Question 79. If the size of a column is reduced above the floor, the main bars of the columns, are
  1.    Continued up
  2.    Bent inward at the floor level
  3.    Stopped just below the floor level and separate lap bars provided
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 80. [A + (m - 1)ASC] known as equivalent concrete area of R.C.C. is given by
  1.    Modular ratio method
  2.    Load factor method
  3.    Ultimate load method
  4.    None of these
 Discuss Question
Answer: Option A. -> Modular ratio method

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