Water retentivity for brick masonry should not be less than ___ ?
A. 70%
B. 90%
C. 50%
D. 30%
Design Of Masonry Structures
Design of Masonry Structures MCQs with answers for Civil Engineering MCQs test preparation.
Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have _____ ?
A. less strength
B. high shrinkage
C. both (A) and (B)
D. None of them
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. 0.1 MPa
B. 0.075 MPa
C. 0.15 MPa
D. 0.125 MPa
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. greater than 1
B. 1
C. 0
D. between 0 and 1
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 ____ ?
A. 7 percent
B. 6 percent
C. 4 percent
D. 5 percent
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. 1.5 H
B. 0.75 H
C. 0.85 H
D. 1.0 H
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. 0.85
B. 3 16
C. 0 66
D. 1 6
Bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is _____ ?
A. more than 1/24
B. less than or equal to 1/12
C. less than or equal to 1/24
D. less than or equal to 1/6
For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in _____ ?
A. Zone I and II
B. Zone I, II, III and IV
C. Zone I only
D. Zone I, II and III