R4RIN – MCQs, Mock Tests | Civil Engineering Civil Engineering Design of Masonry Structures MCQ

Minimum length of stiffening wall shall be

1. height/2
2. height/3
3. height/4
4. height/5

✅ Correct Answer: 4

The timber floor not spanning on the masonry wall but properly anchored to the wall gives

1. neither lateral nor rotational restraints
2. lateral restraint but not rotational restraint
3. rotational restraint but not lateral restraint
4. both lateral and rotational restraints

✅ Correct Answer: 2

If H is the height of wall between centres of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be

1. 0.25 H
2. 0.75 H
3. 1.0 H
4. 1.5 H

✅ Correct Answer: 2

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

1. 100%
2. more
3. less
4. the same in both the cases

✅ Correct Answer: 3

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. 0.075 MPa
2. 0.125 MPa
3. 0.1 Mpa
4. 0.15 MPa

✅ Correct Answer: 4

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

1. 5 to 8 cm
2. 9 to 13 cm
3. 14 to 18 cm
4. 10 to 23 cm

✅ Correct Answer: 2

The effective height of free standing non load bearing wall and column respectively will be

1. 1.0H and 1.0H
2. 1.5H to 1.5H
3. 2.0H to 1.5H
4. 2.0H to 2.0H

✅ Correct Answer: 4

Minimum thickness of stiffening wall for 1 to 3 storey's shall not be less than Minimum thickness of stiffening wall for 1 to 3 storey's shall not be less than

1. 5 cm
2. 10 cm
3. 20 cm
4. 30 cm

✅ Correct Answer: 2

Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have

1. less strength
2. high shrinkage
3. both a and b
4. None of the above

✅ Correct Answer: 2

In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as

1. sum of thickness of both leaves
2. two third of the sum of thickness of both the leaves
3. actual thickness of the stronger leaf
4. larger of b and c

✅ Correct Answer: 4