Q. Water retentivity for brick masonry should not be less than

  • (A) 50 %
  • (B) 60 %
  • (C) 70 %
  • (D) 80 %
πŸ’¬ Discuss
βœ… Correct Answer: (C) 70 %

Q. The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is

  • (A) less than or equal to 1/24
  • (B) less than or equal to 1/6
  • (C) more than 1/24
  • (D) less than or equal to 1/12
πŸ’¬ Discuss
βœ… Correct Answer: (A) less than or equal to 1/24

Q. If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wall is more than 20, then the stiffening coefficient for wall proper will be

  • (A) 0
  • (B) between 0 and 1
  • (C) 1
  • (D) greater than 1
πŸ’¬ Discuss
βœ… Correct Answer: (D) greater than 1

Q. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design of wall subjected to eccentric loading as per code is

  • (A) 10 %
  • (B) 25 % D. 50 %
  • (C) ---
  • (D) ---
πŸ’¬ Discuss
βœ… Correct Answer: (B) 25 % D. 50 %

Q. For masonry work with solid bricks, consistency of mortar should be

  • (A) 5 to 8 cm
  • (B) 9 to 13 cm
  • (C) 14 to 18 cm
  • (D) 19 to 23 cm
πŸ’¬ Discuss
βœ… Correct Answer: (A) 5 to 8 cm

Q. For masonry built in 1 : 1 : 6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is

  • (A) 0.15 mpa
  • (B) 0.125 mpa
  • (C) 0.1 mpa
  • (D) 0.075 mpa
πŸ’¬ Discuss
βœ… Correct Answer: (B) 0.125 mpa

Q. The thickness of each leaf of a cavity wall shall not be less than

  • (A) 5 cm
  • (B) 7.5 cm
  • (C) 10 cm
  • (D) 15 cm
πŸ’¬ Discuss
βœ… Correct Answer: (D) 15 cm

Q. Minimum compressive strength in N/mm² for H1 type mortar used for masonry is

  • (A) 3
  • (B) 5
  • (C) 7.5
  • (D) 10
πŸ’¬ Discuss
βœ… Correct Answer: (B) 5

Q. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be

  • (A) more
  • (B) less
  • (C) the same in both the cases
  • (D) 100 %
πŸ’¬ Discuss
βœ… Correct Answer: (C) the same in both the cases

Q. If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to

  • (A) 0 6
  • (B) 0.75
  • (C) 0.85
  • (D) 0.95
πŸ’¬ Discuss
βœ… Correct Answer: (A) 0 6

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