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:

Design of Masonry Structures
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 and R is the correct explanation of A

A is false but R is true

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

A is true but R is false

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

A is false but R is true

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

A is true but R is false

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Design of Masonry Structures
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?

1 and 3

1, 2 and 3

1 and 2

2 and 3

1 and 3

1, 2 and 3

1 and 2

2 and 3

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

1.6

1.4

1.2

2

1.6

1.4

1.2

2

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Design of Masonry Structures
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

1.0 kg/cm²

0.4 kg/cm²

1.2 kg/cm²

0.7 kg/cm²

1.0 kg/cm²

0.4 kg/cm²

1.2 kg/cm²

0.7 kg/cm²

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Design of Masonry Structures
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:

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

A is true but R is false

A is false but R is true

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

A is true but R is false

A is false but R is true

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Design of Masonry Structures
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

0.075 MPa

0.15 MPa

0.1 MPa

0.125 MPa

0.075 MPa

0.15 MPa

0.1 MPa

0.125 MPa

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Design of Masonry Structures

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

Design of Masonry Structures 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

Design of Masonry Structures 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:

Design of Masonry Structures 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

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

Design of Masonry Structures
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

Design of Masonry Structures
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:

Design of Masonry Structures
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