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MCQs

Total Questions : 1012 | Page 1 of 102 pages
Question 1. In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively
  1.    compressive and tensile
  2.    tensile and compressive
  3.    both compressive
  4.    both tensile
 Discuss Question
Answer: Option B. -> tensile and compressive
Question 2. Critical section for shear in case of flat slabs is at a distance of
  1.    effective depth of slab from periphery of column/drop panel
  2.    d/2 from periphery of column/capital/ drop panel
  3.    at the drop panel of slab
  4.    at the periphery of column
 Discuss Question
Answer: Option B. -> d/2 from periphery of column/capital/ drop panel
Question 3. If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
  1.    depends on as, only
  2.    depends on aCbC only
  3.    depends on both crst and acbc
  4.    is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.
 Discuss Question
Answer: Option A. -> depends on as, only
Question 4. The diameter of ties in a column should be
  1.    More than or equal to one fourth of diameter of main bar
  2.    More than or equal to 5 mm
  3.    More than 5 mm but less than one-fourth of diameter of main bar
  4.    More than 5 mm and also more than one-fourth of diameter of main bar
 Discuss Question
Answer: Option D. -> More than 5 mm and also more than one-fourth of diameter of main bar
Question 5. Bulking of sand is maximum if moisture content is about
  1.    2 %
  2.    4 %
  3.    6 %
  4.    10 %
 Discuss Question
Answer: Option B. -> 4 %
Question 6. If a beam fails in bond, then its bond strength can be increased most economi-cally by
  1.    increasing the depth of beam
  2.    using thinner bars but more in number
  3.    using thicker bars but less in number
  4.    providing vertical stirrups
 Discuss Question
Answer: Option B. -> using thinner bars but more in number
Question 7. For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
  1.    0.75 - 0.80
  2.    0.80 - 0.85
  3.    0.85 - 0.92
  4.    Above 0.92
 Discuss Question
Answer: Option D. -> Above 0.92
Question 8. Ultimate strength of cold drawn high steel wires
  1.    increases with increase in diameter of bar
  2.    decreases with increase in diameter of bar
  3.    does not depend on diameter of bar
  4.    none of the above
 Discuss Question
Answer: Option B. -> decreases with increase in diameter of bar
Question 9. In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
  1.    10%
  2.    20%
  3.    30%
  4.    40%
 Discuss Question
Answer: Option D. -> 40%
Question 10. The percentage of voids in cement is approximately
  1.    25%
  2.    40%
  3.    60%
  4.    80%
 Discuss Question
Answer: Option B. -> 40%

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