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:

oth A and R is true and R is the correct explanation of A

oth A and R is true but R is not a correct explanation of A

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

i) and (ii) and (iii) are correct

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:

oth A and R is true but R is not the correct explanation of A

oth A and R is true and R is the correct explanation of A

oth A and R is true but R is not the correct explanation of A

Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:

oth A and R is true and R is the correct explanation of A

oth A and R is true but R is not the correct explanation of A

Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced.Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:

oth A and R is true and R is not the correct explanation of A

oth A and R is true and R is the correct explanation of A

oth A and R is true and R is not the correct explanation of A

Is a marine structure for berthing of vessels for loading and unloading cargo and passengers

Is provided with an arrangement to pump out water when required

Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:

Both A and R is true but R is not the correct explanation of A

Both A and R is true and R is the correct explanation of A

Both A and R is true but R is not the correct explanation of A

Pick up the incorrect statement from the following: In a dry dock block made of hard wood,

Spacing of the blocks is 1.35 m

The lowest block is 1.8 m long 40 cm × 40 cm in cross-section

The middle block is 1.6 m long 40 cm × 40 cm in cross-section

Which of the following are repair docks?

Wet docks, lift docks, marine railways, dry docks

Marine railways, dry docks, floating docks, wet docks

Dry docks, wet docks, floating docks, lift docks

Wet docks, floating docks, lift docks, marine railways

Wet docks, lift docks, marine railways, dry docks

Cement mortars richer than 1 : 3 are not used in masonry because (i) There is no gain in strength of masonry (ii) There is high shrinkage (iii) They are prone to segregation Of these statements

(i), (ii) and (iii) are correct

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

Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:

Both A and R is true and R is not the correct explanation of A

Both A and R is true and R is the correct explanation of A

Both A and R is true and R is not the correct explanation of A

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:

Both A and R is true but R is not the correct explanation of A

Both A and R is true and R is the correct explanation of A

Both A and R is true but R is not the correct explanation of A

Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns. Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling. Select your answer according to codes given below:

Both A and R is true but R is not the correct explanation of A

Both A and R is true and R is the correct explanation of A

Both A and R is true but R is not the correct explanation of A

124 + Mcqs in Design of Masonry structures in Civil Engineering Page 2 McqOptions

51.	A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m². The maximumheight of wall from stability consideration is
A.	0.64 m
B.	0.96 m
C.	1.28 m
D.	1.5 m
Answer» B. 0.96 m

Discussion

52.	The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factorof
A.	1.2
B.	1.4
C.	1.6
D.	2.0
Answer» D. 2.0

Discussion

53.	For earthquake resistant masonry buildings, the vertical distance between openings one above theother in a load bearing wall shall not be less than
A.	50 cm
B.	60 cm
C.	75 cm
D.	100 cm
Answer» C. 75 cm

Discussion

54.	Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortarshave
A.	high shrinkage
B.	less strength
C.	both (a) and (b)
D.	none of above
Answer» B. less strength

Discussion

55.	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
Answer» B. 19

Discussion

56.	A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is A. B. C. D. ?
A.	090
B.	095
C.	100
D.	105
Answer» D. 105

Discussion

57.	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:
A.	oth A and R is true and R is the correct explanation of A
B.	oth A and R is true but R is not a correct explanation of A
C.	is true but R is false
D.	is false but R is true
Answer» D. is false but R is true

Discussion

58.	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
A.	i) and (ii) are correct
B.	ii) and (iii) are correct
C.	i) and (iii) are correct
D.	i) and (ii) and (iii) are correct
Answer» B. ii) and (iii) are correct

Discussion

59.	Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be
A.	ore
B.	ess
C.	he same in both the cases
D.	00 %
Answer» C. he same in both the cases

Discussion

60.	Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have
A.	igh shrinkage
B.	ess strength
C.	oth (A) and (B)
D.	one of above
Answer» B. ess strength

Discussion

61.	Consider the following statements: The use of relatively weak mortar1. 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.
A.	alone is correct
B.	alone is correct
C.	oth 1 and 2 are correct
D.	either 1 nor 2 is correct
Answer» D. either 1 nor 2 is correct

Discussion

62.	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.	oth A and R is true and R is the correct explanation of A
B.	oth A and R is true but R is not the correct explanation of A
C.	is true but R is false
D.	is false but R is true
Answer» B. oth A and R is true but R is not the correct explanation of A

Discussion

63.	Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:
A.	oth A and R is true and R is the correct explanation of A
B.	oth A and R is true but R is not the correct explanation of A
C.	is true but R is false
D.	is false but R is true
Answer» D. is false but R is true

Discussion

64.	Consider the following statements:1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct?
A.	, 2 and 3
B.	and 2
C.	and 3
D.	and 3
Answer» E.

Discussion

65.	The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is
A.	ess than or equal to 1/24
B.	ess than or equal to 1/6
C.	ore than 1/24
D.	ess than or equal to 1/12
Answer» B. ess than or equal to 1/6

Discussion

66.	A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is
A.	0.09
B.	0.095
C.	0.1
D.	0.105
Answer» D. 0.105

Discussion

67.	Cement mortars richer than 1 : 3 are not used in masonry because(i) There is no gain in strength of masonry(ii) There is high shrinkage(iii) They are prone to segregation
A.	nly (ii) is correct
B.	i) and (ii) are correct
C.	ii) and (iii) are correct
D.	i), (ii) and (iii) are correct
Answer» C. ii) and (iii) are correct

Discussion

68.	If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be
A.	.75 H
B.	.85 H
C.	.0 H
D.	.5 H
Answer» B. .85 H

Discussion

69.	If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to
A.	0.6
B.	0.75
C.	0.85
D.	0.95
Answer» D. 0.95

Discussion

70.	Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as __________ of the total vertical load on the most heavily loaded wall or column in the group
A.	%
B.	%
C.	%
D.	%
Answer» E.

Discussion

71.	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.	5
B.	9
C.	0
D.	5
Answer» B. 9

Discussion

72.	For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in
A.	one I only
B.	one I and II
C.	one I, II and III
D.	one I, II, III and IV
Answer» C. one I, II and III

Discussion

73.	The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of
A.	0.2
B.	0.4
C.	0.6
D.	0
Answer» D. 0

Discussion

74.	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.
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
Answer» B. i) and (iii) are correct

Discussion

75.	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)
Answer» E.

Discussion

76.	Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced.Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:
A.	oth A and R is true and R is the correct explanation of A
B.	oth A and R is true and R is not the correct explanation of A
C.	is true but R is false
D.	is false but R is true
Answer» B. oth A and R is true and R is not the correct explanation of A

Discussion

77.	Consider the following statements:A high lime content in a composite cement-lime mortar results in1. Slow hardening.2. Quick setting.3. Weaker mortar.
A.	and 3 are correct
B.	and 2 are correct
C.	and 3 are correct
D.	, 2 and 3 are correct
Answer» D. , 2 and 3 are correct

Discussion

78.	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
Answer» E.

Discussion

79.	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.	.4 kg/cm²
B.	.7 kg/cm²
C.	.0 kg/cm²
D.	.2 kg/cm²
Answer» D. .2 kg/cm²

Discussion

80.	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.	t x height of shorter opening
B.	t x height of longer opening
C.	x height of shorter opening
D.	i x height of longer opening
Answer» B. t x height of longer opening

Discussion

81.	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.	.64 m
B.	.96 m
C.	.28 m
D.	.5 m
Answer» B. .96 m

Discussion

82.	A dock:
A.	Is a marine structure for berthing of vessels for loading and unloading cargo and passengers
B.	Is provided with a dock gate
C.	Is provided with an arrangement to pump out water when required
D.	All the above
Answer» E.

Discussion

83.	Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:
A.	Both A and R is true and R is the correct explanation of A
B.	Both A and R is 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
Answer» B. Both A and R is true but R is not the correct explanation of A

Discussion

84.	Which one of the following lines is used for tying a ship with a dock?
A.	Bow line
B.	Stern line
C.	Spring line
D.	All of these
Answer» E.

Discussion

85.	Pick up the incorrect statement from the following: In a dry dock block made of hard wood,
A.	Spacing of the blocks is 1.35 m
B.	The lowest block is 1.8 m long 40 cm × 40 cm in cross-section
C.	The middle block is 1.6 m long 40 cm × 40 cm in cross-section
D.	None of these
Answer» E.

Discussion

86.	The smoothened surface of the front face of the guay walls, is known as fending which is made of
A.	Granite stone
B.	Timber
C.	Steel
D.	All the above
Answer» E.

Discussion

87.	Which of the following are repair docks?
A.	Marine railways, dry docks, floating docks, wet docks
B.	Dry docks, wet docks, floating docks, lift docks
C.	Wet docks, floating docks, lift docks, marine railways
D.	Wet docks, lift docks, marine railways, dry docks
Answer» D. Wet docks, lift docks, marine railways, dry docks

Discussion

88.	Cement mortars richer than 1 : 3 are not used in masonry because (i) There is no gain in strength of masonry (ii) There is high shrinkage (iii) They are prone to segregation Of these statements
A.	Only (ii) is correct
B.	(i) and (ii) are correct
C.	(ii) and (iii) are correct
D.	(i), (ii) and (iii) are correct
Answer» C. (ii) and (iii) are correct

Discussion

89.	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
Answer» B. 15 cm

Discussion

90.	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
Answer» B. Providing a deeper foundation

Discussion

91.	If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to
A.	0 6
B.	0.75
C.	0.85
D.	0.95
Answer» D. 0.95

Discussion

92.	Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:
A.	Both A and R is true and R is the correct explanation of A
B.	Both A and R is true and R is not the correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» B. Both A and R is true and R is not the correct explanation of A

Discussion

93.	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 %
Answer» C. The same in both the cases

Discussion

94.	Minimum compressive strength in N/mm² for H1 type mortar used for masonry is
A.	3
B.	5
C.	7.5
D.	10
Answer» E.

Discussion

95.	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
Answer» C. 10 cm

Discussion

96.	A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is
A.	0.090
B.	0.095
C.	0.100
D.	0.105
Answer» D. 0.105

Discussion

97.	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 is true and R is the correct explanation of A
B.	Both A and R is 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
Answer» B. Both A and R is true but R is not the correct explanation of A

Discussion

98.	Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns. Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling. Select your answer according to codes given below:
A.	Both A and R is true and R is the correct explanation of A
B.	Both A and R is 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
Answer» B. Both A and R is true but R is not the correct explanation of A

Discussion

99.	The effective height of free standing non-load bearing wall and column respectively will be
A.	1.0H and 1.0H
B.	1.5H and 1.5H
C.	2.0H and 1.5H
D.	2.0H and 2.0H
Answer» E.

Discussion

100.	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
Answer» D. 1, 2 and 3 are correct

Discussion

Explore topic-wise MCQs in Civil Engineering.

A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m². The maximumheight of wall from stability consideration is

The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factorof

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

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

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 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is A. B. C. D. ?

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:

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

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

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

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:

Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.Select your answer according to the codes given below:

The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is

A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is

Cement mortars richer than 1 : 3 are not used in masonry because(i) There is no gain in strength of masonry(ii) There is high shrinkage(iii) They are prone to segregation

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

If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to

Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as __________ of the total vertical load on the most heavily loaded wall or column in the group

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

For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in

The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of

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.

Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced.Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:

Consider the following statements:A high lime content in a composite cement-lime mortar results in1. Slow hardening.2. Quick setting.3. Weaker mortar.

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

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

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 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 dock:

Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below:

Which one of the following lines is used for tying a ship with a dock?

Pick up the incorrect statement from the following: In a dry dock block made of hard wood,

The smoothened surface of the front face of the guay walls, is known as fending which is made of

Which of the following are repair docks?

Cement mortars richer than 1 : 3 are not used in masonry because (i) There is no gain in strength of masonry (ii) There is high shrinkage (iii) They are prone to segregation Of these statements

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

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?

If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to

Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:

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

Minimum compressive strength in N/mm² for H1 type mortar used for masonry is

The thickness of each leaf of a cavity wall shall not be less than

A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is

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:

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

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