Question

Two walls of thickness in the ratio | 3 and thermal conductivities in the ratio 3:2 form a composite
wall of a building If the free surfaces of the wall are at 31°C and 20°C respectively, the
temperature of the interface is
(1) 29°C
(2) 22°C
(3) 26°C
(4) 28.1°C​

Answer 1

Answer:

28.1 C

HOPE YOU LIKE MY ANSWER