Which one of the following set of values give the minimum clear cover (in mm) for the main reinforcements in the slab, beam, column and footing, respectively, according to IS : 456-1978?
Options
A. 20, 25, 30, 75
B. 5, 15, 25, 50
C. 15, 25, 40, 75
D. none of the above
Correct Answer
15, 25, 40, 75
More questions
1. Acid regression stage of sludge digestion at a temperature 21°C extends over a period of