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Design of Masonry Structures MCQ Question with Answer

Design of Masonry Structures MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?

Providing buttresses at certain intervals
Providing a deeper foundation
Using a richer mortar
Using stronger bricks
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Question No : 23
A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m². The maximum height of wall from stability consideration is

0.64 m
0.96 m
1.28 m
1.5 m
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Question No : 24
The effective height of free standing non-load bearing wall and column respectively will be

1.0H and 1.0H
1.5H and 1.5H
2.0H and 1.5H
2.0H and 2.0H Where H is the height of wall or column between centers of supports
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Question No : 25
The mode of failure of a very short masonry member having h/t ratio of less than 4 is by

Shear
Vertical tensile splitting
Buckling
Any of the above
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Question No : 26
Consider the following statements: A high lime content in a composite cement-lime mortar results in
1. Slow hardening.
2. Quick setting.
3. Weaker mortar.
Of these statements

2 and 3 are correct
1 and 2 are correct
1 and 3 are correct
1, 2 and 3 are correct
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Question No : 27
Consider the following statements regarding provision of chases in masonry,
(i) No chase should be permitted in a half brick load-bearing wall,
(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,
(iii) Chases should be provided near to bearings of beams and lintels.
Of these statements

(i) and (ii) are correct
(i) and (iii) are correct
(ii) and (iii) are correct
(i), (ii) and (iii) are correct
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Question No : 28
Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.
(i) Lintel band is provided at lintel level on partition walls,
(ii) Gable band is provided at top of gable masonry below the purlins,
(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,
(iv) The bands shall be made of reinforced concrete only.
Of these statements, the correct statements are

(i) and (ii)
(i) and (iii)
(ii) and (iv)
(ii) and (iii)
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