Design Of Masonry Structures MCQ Questions & Answers

1

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

A) 0.64 m B) 0.96 m C) 1.28 m D) 1.5 m

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Answer & Solution

Answer: Option A

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2

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

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Answer & Solution

Answer: Option B

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3

Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

A) 10 cm B) 15 cm C) 20 cm D) 30 cm

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Answer & Solution

Answer: Option A

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4

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

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Answer & Solution

Answer: Option B

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5

Water retentivity for brick masonry should not be less than

A) 50% B) 60% C) 70% D) 80%

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Answer & Solution

Answer: Option C

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6

For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than

A) 50 cm B) 60 cm C) 75 cm D) 100 cm

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Answer & Solution

Answer: Option B

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7

For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than

A) Vt × height of shorter opening B) Vt × height of longer opening C) Vi × height of shorter opening D) Vi × height of longer opening

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Answer & Solution

Answer: Option A

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8

In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than M1 type, tensile stress in bending in the vertical direction may be allowed to the extent of

A) 0.4 kg/cm² B) 0.7 kg/cm² C) 1.0 kg/cm² D) 1.2 kg/cm²

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Answer & Solution

Answer: Option C

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9

Full restraint is provided by
(i) Foundation footing of a wall
(ii) Timber floor spanning on the wall and anchored to the wall
(iii) RCC slab with a minimum bearing of 10 cm on the wall

A) (i) and (iii) are correct B) (i) and (ii) are correct C) (ii) and (iii) are correct D) (i), (ii) and (iii) are correct

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Answer & Solution

Answer: Option D

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10

Consider the following statements:
A high lime content in a composite cement-lime mortar results in
(i) Slow hardening
(ii) Quick setting
(iii) Weaker mortar

A) (ii) and (iii) are correct B) (i) and (ii) are correct C) (i) and (iii) are correct D) (i), (ii) and (iii) are correct

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Answer & Solution

Answer: Option C

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Design Of Masonry Structures MCQ Questions & Answers | Civil Engineering