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MCQs

Total Questions : 292 | Page 4 of 30 pages
Question 31. For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is
  1.    lesser value
  2.    greater value
  3.    average of two values
  4.    none of these.
 Discuss Question
Answer: Option C. -> average of two values
Answer: (c).average of two values
Question 32. For deformed reinforcing bars, the permissible design bond stress may be increased by
  1.    20%
  2.    30%
  3.    40%
  4.    50%
 Discuss Question
Answer: Option C. -> 40%
Answer: 60%
Question 33. As per IS : 800-1982, the coefficient of expansion for steel per degree centigrade per unit length, is
  1.    0.000011
  2.    0.000012
  3.    0.000013
  4.    0.000014
 Discuss Question
Answer: Option B. -> 0.000012
Answer: (b).0.000012
Question 34. The ratio of the effective length to the least radius of gyration of a tie member of a roof truss, which gets subjected to reversal of stress shall not exceed
  1.    180
  2.    200
  3.    240
  4.    350
 Discuss Question
Answer: Option D. -> 350
Answer: (d).350
Question 35. The flat slab is a reinforced concrete slab with or without drops and is supported
  1.    on columns without column head
  2.    on columns with column head
  3.    on beams
  4.    None of these.
 Discuss Question
Answer: Option C. -> on beams
Answer: (c).on beams
Question 36. The tolerances for the form work of columns and beams range from
  1.    - 3 mm to + 6 mm
  2.    - 4 mm to + 8 mm
  3.    - 6 mm to + 12 mm
  4.    - 8 mm to + 12 mm
 Discuss Question
Answer: Option C. -> - 6 mm to + 12 mm
Answer: (c).- 6 mm to + 12 mm
Question 37. If the ratio of effective span to overall depth of a simply supported beam is less than 1, the lever arm is
  1.    0.3l
  2.    0.4l
  3.    0.5l
  4.    0.6l
 Discuss Question
Answer: Option D. -> 0.6l
Answer: (d).0.6l
Question 38. The effective length of lacing is the distance
  1.    between the inner end rivets of the bar for single lacing
  2.    0.7 of the distance between the inner end rivets of the bar for double lacing
  3.    between the inner ends of effective lengths of welds connecting the members
  4.    all the above.
 Discuss Question
Answer: Option D. -> all the above.
Answer: (d).all the above.
Question 39. M 30 grade concrete means, its compressive strength of 15-cm cube, is 30 N/mm² after
  1.    3 days
  2.    7 days
  3.    21 days
  4.    28 days
 Discuss Question
Answer: Option D. -> 28 days
Answer: (d).28 days
Question 40. If the ends of the compression flanges of simply supported girders are fully restrained against lateral bending, the effective length is taken as
  1.    span
  2.    0.85 x span
  3.    0.7 x span
  4.    0.5 x span
 Discuss Question
Answer: Option C. -> 0.7 x span
Answer: (c).0.7 x span

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