1.

In case when both the surfaces of plane wall are at different temperature, we get an expression i.e.T MAX – T W2 /T W1 – TW2 = (B + 1)2/4BWhat is the value of B?

A. (q g) (δ)2/2k (T W1 – TW2)
B. (q g) (δ)3/3k (T W1 – TW2)
C. (q g) (δ)4/4k (T W1 – TW2)
D. (q g) (δ)5/5k (T W1 – TW2)
Answer» B. (q g) (δ)3/3k (T W1 – TW2)


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