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Design of Masonry Structures MCQ - Multiple Choice Question and 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 : 1
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:

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

Question No : 2
For masonry work with solid bricks, consistency of mortar should be

5 to 8 cm
9 to 13 cm
14 to 18 cm
19 to 23 cm

Question No : 3
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

0.15 MPa
0.125 MPa
0.1 MPa
0.075 MPa

Question No : 4
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

0.75 H
0.85 H
1.0 H
1.5 H

Question No : 5
For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in

Zone I only
Zone I and II
Zone I, II and III
Zone I, II, III and IV

Question No : 6
A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is

0.090
0.095
0.100
0.105

Question No : 7
In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as

Sum of thickness of both leaves
Two-third of the sum of thickness of both the leaves
Actual thickness of the stronger leaf
Larger of (B) and (C)