Questions and answers for exam Preparation

MCQs

Total Questions : 88 | Page 9 of 9 pages

Question 81. 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 is false but R is true
Both A and R is true and R is the correct explanation of A
A is true but R is false
Both A and R is true but R is not the correct explanation of A

Discuss Question

Answer: Option C. -> A is true but R is false

Question 82. 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 is true but R is false
A is false but R is true
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

Discuss Question

Answer: Option D. -> Both A and R is true and R is the correct explanation of A

Question 83. 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

(i) and (iii)
(ii) and (iv)
(i) and (ii)
(ii) and (iii)

Discuss Question

Answer: Option D. -> (ii) and (iii)

Question 84. 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 (ii) are correct
(i) and (iii) are correct
(i), (ii) and (iii) are correct
(ii) and (iii) are correct

Discuss Question

Answer: Option A. -> (i) and (ii) are correct

Question 85. 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?

2 and 3
1, 2 and 3
1 and 2
1 and 3

Discuss Question

Answer: Option D. -> 1 and 3

Question 86. 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 is true but R is false
Both A and R is true but R is not the correct explanation of A
A is false but R is true
Both A and R is true and R is the correct explanation of A

Discuss Question

Answer: Option D. -> Both A and R is true and R is the correct explanation of A

Question 87. 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.

Neither 1 nor 2 is correct
1 alone is correct
2 alone is correct
Both 1 and 2 are correct

Discuss Question

Answer: Option D. -> Both 1 and 2 are correct

Question 88. 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: