Design of Masonry Structures Multiple Choice Questions

Design of Masonry Structures

Question 21.

If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wall is more than 20, then the stiffening coefficient for wall proper will be

A.

 0

B.

 Between 0 and 1

C.

 1

D.

 Greater than 1

Explanation :

Explanation Not Provided

Question 22.

Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as __________ of the total vertical load on the most heavily loaded wall or column in the group

A.

 4 %

B.

 5 %

C.

 6 %

D.

 7 %

Explanation :

Explanation Not Provided

Question 23.

If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multiplied by a reduction factor equal to

A.

 0.6

B.

 0.75

C.

 0.85

D.

 0.95

Explanation :

Explanation Not Provided

Question 24.

If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be

A.

 0.75 H

B.

 0.85 H

C.

 1.0 H

D.

 1.5 H

Explanation :

Explanation Not Provided

Question 25.

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

A.

 Only (ii) is correct

B.

 (i) and (ii) are correct

C.

 (ii) and (iii) are correct

D.

 (i), (ii) and (iii) are correct

Explanation :

Explanation Not Provided