Question

According to Indian Standards, it is recommended that the overall thermal transmittance of a roof should not be more than _______ kcal/m^2 h deg C.

(a) 2.00

(b) 5.00

(c) 7.00

(d) 9.00

The question was asked during an interview.

My doubt stems from Thermal Insulation topic in division Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Answer 1

Correct answer is (a) 2.00

To explain I would say: According to Indian Standards, it is recommended that the overall thermal transmittance of a roof should not be more than 2.00 kcal/m^2 h deg C. It is also recommended that the thermal dampness of a roof should be less than 75%.