1.

Thermal insulation of roofs can be obtained by covering the top exposed surface of the roof with

A. 2.5 cm thick layer of mud mortar
B. 2.5 cm thick layer of coconut pitch cement concrete
C. 7.5 cm thick layer of mud mortar
D. 7.5 m thick layer of coconut pitch cement concrete
Answer» C. 7.5 cm thick layer of mud mortar


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