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MCQs

Total Questions : 123 | Page 12 of 13 pages
Question 111. The relation between tread I and rise R in cms is given by
  1.    4 + 2t = 30
  2.    2t + r = 30
  3.    2r + t = 60
  4.    2r + t = 30
 Discuss Question
Answer: Option C. -> 2r + t = 60


2r + t = 60


Question 112. Ductility of steel decreases with a percentage _____ of carbon steel
  1.    decrease
  2.    increase
  3.    improvement
  4.    reduction
 Discuss Question
Answer: Option B. -> increase


increase


Question 113. _____ ratio of steel, within elastic limit, varies from 0.25 to 0.33
  1.    Compression
  2.    Extension
  3.    Impact
  4.    Poisson's
 Discuss Question
Answer: Option D. -> Poisson's


Poisson's


Question 114. For bars in tension a standard hook has an anchorage value equivalent to a strength length of
  1.    8
  2.    12
  3.    16
  4.    24
 Discuss Question
Answer: Option C. -> 16


16


Question 115. For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory
  1.    is always less than 1
  2.    is always greater than 1
  3.    can be more than 1
  4.    can be less than 1
 Discuss Question
Answer: Option B. -> is always greater than 1


is always greater than 1


Question 116. The compressive strength of 100 mm cube as compared to 150 mm cube is always
  1.    less
  2.    more
  3.    equal
  4.    may be any of the above
 Discuss Question
Answer: Option C. -> equal


equal


Question 117. Air entrainment in the concrete increases
  1.    workability
  2.    strength
  3.    the effects of temperature
  4.    the unit weight
 Discuss Question
Answer: Option B. -> strength


strength


Question 118. The relation between modulus of rupture Fcr and characteristic strength of concrete Fck is given by
  1.    Fcr = 0.35 S Fck
  2.    Fcr = 0.5 S Fck
  3.    Fcr = 0.7 S Fck
  4.    Fcr = 1.2 S Fck
 Discuss Question
Answer: Option A. -> Fcr = 0.35 S Fck


Fcr = 0.35 S Fck


Question 119. Normally pre-stressing wires are arranged in the
  1.    upper part of the beam
  2.    lower part of the beam
  3.    centre
  4.    anywhere
 Discuss Question
Answer: Option B. -> lower part of the beam


lower part of the beam


Question 120. A reduction factor Cr, load carrying capacity of a long columns is given by
  1.    Cr = 1.25 - Le/24b
  2.    Cr = 1 - Le/48b
  3.    Cr = 1.25 - Le/48b
  4.    Cr = 1.5 - Le/48b
 Discuss Question
Answer: Option C. -> Cr = 1.25 - Le/48b


Cr = 1.25 - Le/48b


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