Design of Masonry Structures Multiple Choice Questions

Design of Masonry Structures

Question 36.

For masonry built in 1 : 1 : 6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is

A.

 0.15 MPa

B.

 0.125 MPa

C.

 0.1 MPa

D.

 0.075 MPa

Explanation :

Explanation Not Provided

Question 37.

Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be

A.

 More

B.

 Less

C.

 The same in both the cases

D.

 100 %

Explanation :

Explanation Not Provided

Question 38.

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

A.

 (i) and (ii) are correct

B.

 (ii) and (iii) are correct

C.

 (i) and (iii) are correct

D.

 (i) and (ii) and (iii) are correct

Explanation :

Explanation Not Provided

Question 39.

The timber floor not spanning on the masonry wall but properly anchored to the wall gives

A.

 Lateral restraint but not rotational restraint

B.

 Rotational restraint but not lateral restraint

C.

 Both lateral and rotational restraints

D.

 Neither lateral nor rotational restraint

Explanation :

Explanation Not Provided

Question 40.

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. Codes:

A.

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

B.

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

C.

 A is true but R is false

D.

 A is false but R is true

Explanation :

Explanation Not Provided