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

Larger of (B) and (C)
Sum of thickness of both leaves
Actual thickness of the stronger leaf
Two-third of the sum of thickness of both the leaves

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

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Design of Masonry Structures
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.

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

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