Design of Masonry Structures
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

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

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Design of Masonry Structures
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 (iii) are correct
(ii) and (iii) are correct
(i) and (ii) are correct
(i) and (ii) and (iii) are correct

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

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