A wall has two layers A and B, each made of a different material. Both the layers have the same thickness. The thermal conductivity of material of A is twice that of B. Under the thermal equilibrium the temperature difference across the wall is 30?C. The temperature drops in layers A and B will be respectively

Heat Transfer Mcqs

A.20?C and 10?C
B.10?C and 20?C
C.15?C and 15?C
D.cannot be predicated

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