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MCQs

Total Questions : 88 | Page 8 of 9 pages
Question 71. The timber floor not spanning on the masonry wall but properly anchored to the wall gives
  1.    Lateral restraint but not rotational restraint
  2.    Neither lateral nor rotational restraint
  3.    Rotational restraint but not lateral restraint
  4.    Both lateral and rotational restraints
 Discuss Question
Answer: Option A. -> Lateral restraint but not rotational restraint
Question 72. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be
  1.    Less
  2.    The same in both the cases
  3.    100 %
  4.    More
 Discuss Question
Answer: Option A. -> Less
Question 73. Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys(i) Shall not exceed 12 if lime mortar is used(ii) Shall not exceed 18 if cement lime mortar 1 : 2 : 9 is used(iii) Shall not exceed 24 if cement mortar 1 : 6 is used
  1.    (i) and (ii) are correct
  2.    (ii) and (iii) are correct
  3.    (i) and (ii) and (iii) are correct
  4.    (i) and (iii) are correct
 Discuss Question
Answer: Option A. -> (i) and (ii) are correct
Question 74. Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.Select your answer based on the codes given below. Codes:
  1.    A is false but R is true
  2.    Both A and R is true and R is the correct explanation of A
  3.    Both A and R is true but R is not a correct explanation of A
  4.    A is true but R is false
 Discuss Question
Answer: Option D. -> A is true but R is false
Question 75. 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
  1.    0.125 MPa
  2.    0.15 MPa
  3.    0.1 MPa
  4.    0.075 MPa
 Discuss Question
Answer: Option B. -> 0.15 MPa
Question 76. A free standing brick wall 20 cm thick is subjected to a wind pressure of 75 kg/m². The maximum height of wall from stability consideration is
  1.    1.28 m
  2.    0.96 m
  3.    1.5 m
  4.    0.64 m
 Discuss Question
Answer: Option D. -> 0.64 m
Question 77. For masonry work with solid bricks, consistency of mortar should be
  1.    9 to 13 cm
  2.    19 to 23 cm
  3.    14 to 18 cm
  4.    5 to 8 cm
 Discuss Question
Answer: Option A. -> 9 to 13 cm
Question 78. Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than
  1.    30 cm
  2.    15 cm
  3.    10 cm
  4.    20 cm
 Discuss Question
Answer: Option C. -> 10 cm
Question 79. The thickness of each leaf of a cavity wall shall not be less than
  1.    5 cm
  2.    15 cm
  3.    10 cm
  4.    7.5 cm
 Discuss Question
Answer: Option D. -> 7.5 cm
Question 80. Water retentivity for brick masonry should not be less than
  1.    60 %
  2.    80 %
  3.    70 %
  4.    50 %
 Discuss Question
Answer: Option C. -> 70 %

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