Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have Both (A) and (B) Less strength None of above High shrinkage TRUE ANSWER : ? YOUR ANSWER : ?
The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of 1.4 1.6 2 1.2 TRUE ANSWER : ? YOUR ANSWER : ?
Water retentivity for brick masonry should not be less than 50 % 60 % 80 % 70 % TRUE ANSWER : ? YOUR ANSWER : ?
Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than 10 cm 30 cm 15 cm 20 cm TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements: The use of relatively weak mortar 1. 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 Both 1 and 2 are correct 2 alone is correct 1 alone is correct TRUE ANSWER : ? YOUR ANSWER : ?
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 Greater than 1 1 Between 0 and 1 TRUE ANSWER : ? YOUR ANSWER : ?
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 4 % 6 % 7 % 5 % TRUE ANSWER : ? YOUR ANSWER : ?
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 0.075 MPa 0.15 MPa 0.1 MPa 0.125 MPa TRUE ANSWER : ? YOUR ANSWER : ?
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 0.85 H 1.0 H 0.75 H 1.5 H TRUE ANSWER : ? YOUR ANSWER : ?
In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as Actual thickness of the stronger leaf Larger of (B) and (C) Sum of thickness of both leaves Two-third of the sum of thickness of both the leaves TRUE ANSWER : ? YOUR ANSWER : ?