Design of Masonry Structures MCQ Question with Answer

Design of Masonry Structures MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Minimum compressive strength in N/mm² for H1 type mortar used for masonry is

7.5

Question No : 9
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:

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

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

A is true but R is false

A is false but R is true

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Question No : 10
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 true but R is false

A is false but R is true

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Question No : 11
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

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

A is true but R is false

A is false but R is true

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Question No : 12
The thickness of each leaf of a cavity wall shall not be less than

5 cm

7.5 cm

10 cm

15 cm

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Question No : 13
The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is

Less than or equal to 1/24

Less than or equal to 1/6

More than 1/24

Less than or equal to 1/12

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Question No : 14
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

Only (ii) is correct

(i) and (ii) are correct

(ii) and (iii) are correct

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

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