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MCQs

Total Questions : 1012 | Page 4 of 102 pages
Question 31. The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
  1.    segregation
  2.    bleeding
  3.    bulking
  4.    creep
 Discuss Question
Answer: Option B. -> bleeding
Question 32. A T-shaped retaining wall mainly conssits of
  1.    one cantilever
  2.    two cantilevers
  3.    three cantilevers
  4.    four cantilevers
 Discuss Question
Answer: Option C. -> three cantilevers
Question 33. In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
  1.    front face only
  2.    inner face only
  3.    both front face and inner face
  4.    none of the above
 Discuss Question
Answer: Option A. -> front face only
Question 34. Poisson’s ratio for concrete
  1.    remains constant
  2.    increases with richer mixes
  3.    decreases with richer mixes
  4.    none of the above
 Discuss Question
Answer: Option B. -> increases with richer mixes
Question 35. The average permissible stress in bond for plain bars in tension is
  1.    increased by 10% for bars in compression
  2.    increased by 25% for bars in compression
  3.    decreased by 10% for bars in compression
  4.    decreased by 25% for bars in compression
 Discuss Question
Answer: Option B. -> increased by 25% for bars in compression
Question 36. The minimum cover in a slab should neither be less than the diameter of bar nor less than
  1.    10 mm
  2.    15 mm
  3.    25 mm
  4.    13 mm
 Discuss Question
Answer: Option B. -> 15 mm
Question 37. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
  1.    15 mm
  2.    25 mm
  3.    30 mm
  4.    40 mm
 Discuss Question
Answer: Option D. -> 40 mm
Question 38. Minimum thickness of load bearing RCC wall should be
  1.    50 mm
  2.    100 mm
  3.    150 mm
  4.    200 mm
 Discuss Question
Answer: Option B. -> 100 mm
Question 39. The recommended value of modular ratio for reinforced brick work is
  1.    18
  2.    30
  3.    40
  4.    58
 Discuss Question
Answer: Option C. -> 40
Question 40. The permissible diagonal tensile stress in reinforced brick work is
  1.    about 0.1 N/mm²
  2.    zero
  3.    0.3 N/mm² to 0.7 N/mm²
  4.    about 1.0 N/mm²
 Discuss Question
Answer: Option A. -> about 0.1 N/mm²

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