31. 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 x height of shorter opening
b) Vt x height of longer opening
c) Ax height of shorter opening
d) Vi x height of longer opening
Ans:a
32. 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
a) (i) and (ii)
b) (i) and (iii)
c) (ii) and (iv)
d) (ii) and (iii)
Ans:d
33. The mortars used for masonry construction are classified based on strength in IS 2250 and IS 1905 according
to their designations L1,L2, H1, H2, M, M2.
The correct sequence of increasing order
of their strengths is
a) LLLZ.HLHI.MLMJ
b) L2,L,,M2>Mi,H2)H,
c) M,,M2, H,,H2,Li,L2
d) L2,L,,M,,M2,H,,H2
Ans: b
34. 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%
Ans:b
35. A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is
a) 15
b) 19
c) 20
d) 25
Ans:a
36. Consider the following statements : Sand in mortar is needed for
1. decreasing the quantity of cement.
2. reducing shrinkage.
3. decreasing the surface area of the binding material.
4. increasing the strength.
Of these statements:
a) 2, 3 and 4 are correct
b) 1,2 and 3 are correct
c) 1,3 and 4 are correct
d) 1,2 and 4 are correct
Ans:
37. 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
a) 2 and 3 are correct
b) 1 and 2 are correct
c) 1 and 3 are correct
d) 1, 2 and 3 are correct
Ans:c
38. In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as
a) sum of thickness of both leaves
b) two-third of the sum of thickness of both the leaves
c) actual thickness of the stronger leaf
d) larger of (b) and (c)
Ans:d
39. Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.
Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis. Select your answer according to the codes given below:
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
Ans:a
40. 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
a) (i) and (ii) are correct
b) (i) and (iii) are correct
c) (ii) and (iii) are correct
d) (i), (ii) and (iii) are correct
Ans:a
41. Consider the following statements :
The use of relatively weak mortar
1. will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful.
2. will result in reduction of stresses due to differential expansion of masonry units.
Of these statements
a) 1 alone is correct
b) 2 alone is correct
c) both 1 and 2 are correct
d) neither 1 nor 2 is correct
Ans:c
42. 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 Ml 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
Ans:c
43. 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?
a) providing buttresses at certain intervals
b) providing a deeper foundation
c) using a richer mortar
d) using stronger bricks
Ans:a
Read MOre Quesations:
Design of Masonry Structures MCQs Part1
Design of Masonry Structures MCQs Part2
a) Vt x height of shorter opening
b) Vt x height of longer opening
c) Ax height of shorter opening
d) Vi x height of longer opening
Ans:a
32. 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
a) (i) and (ii)
b) (i) and (iii)
c) (ii) and (iv)
d) (ii) and (iii)
Ans:d
33. The mortars used for masonry construction are classified based on strength in IS 2250 and IS 1905 according
to their designations L1,L2, H1, H2, M, M2.
The correct sequence of increasing order
of their strengths is
a) LLLZ.HLHI.MLMJ
b) L2,L,,M2>Mi,H2)H,
c) M,,M2, H,,H2,Li,L2
d) L2,L,,M,,M2,H,,H2
Ans: b
34. 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%
Ans:b
35. A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is
a) 15
b) 19
c) 20
d) 25
Ans:a
36. Consider the following statements : Sand in mortar is needed for
1. decreasing the quantity of cement.
2. reducing shrinkage.
3. decreasing the surface area of the binding material.
4. increasing the strength.
Of these statements:
a) 2, 3 and 4 are correct
b) 1,2 and 3 are correct
c) 1,3 and 4 are correct
d) 1,2 and 4 are correct
Ans:
37. 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
a) 2 and 3 are correct
b) 1 and 2 are correct
c) 1 and 3 are correct
d) 1, 2 and 3 are correct
Ans:c
38. In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as
a) sum of thickness of both leaves
b) two-third of the sum of thickness of both the leaves
c) actual thickness of the stronger leaf
d) larger of (b) and (c)
Ans:d
39. Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.
Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis. Select your answer according to the codes given below:
a) Both A and R are true and R is the correct explanation of A.
b) Both A and R are true but R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
Ans:a
40. 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
a) (i) and (ii) are correct
b) (i) and (iii) are correct
c) (ii) and (iii) are correct
d) (i), (ii) and (iii) are correct
Ans:a
41. Consider the following statements :
The use of relatively weak mortar
1. will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful.
2. will result in reduction of stresses due to differential expansion of masonry units.
Of these statements
a) 1 alone is correct
b) 2 alone is correct
c) both 1 and 2 are correct
d) neither 1 nor 2 is correct
Ans:c
42. 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 Ml 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
Ans:c
43. 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?
a) providing buttresses at certain intervals
b) providing a deeper foundation
c) using a richer mortar
d) using stronger bricks
Ans:a
Read MOre Quesations:
Design of Masonry Structures MCQs Part1
Design of Masonry Structures MCQs Part2
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