Q.

According to the Indian Standards, it is recommended that thermal damping of a wall should not be less than                

A. 40%
B. 50%
C. 60%
D. 80%
Answer» C. 60%
Explanation: according to the indian standards, it is recommended that the thermal damping of a wall should not be less than 60%. hence, it is also recommended that the thermal time constant should not be less than 16 h.
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