Depth of lean concrete bed placed at the bottom of a wall footing, is kept
A. 10 cm
B. 15 cm
C. Equal to its projection beyond wall base
D. Less than its projection beyond wall base
Answer: Option C
Related Questions on Building Construction
The window which is provided in flat roof of a room, is known
A. Dormer window
B. Lantern window
C. Louvered window
D. Sky window
Weep holes are provided in retaining and breast walls
A. To drain off the water from the filling
B. To ventilate the stone masonry
C. To add architectural beauty
D. To increase compaction of the earth retained
A. Haunch
B. Spandril
C. Voussoirs
D. Skewbacks
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