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Heat exchange between two gray surfaces enclosed by an adiabatic surface is given by . b) Q 12 = A σ b (T 14 – T 24) / . c) Q 12 = A σ b (T 14 – T 24) / . d) Q 12 = A σ b (T 14 – T 24) / .

Heat exchange between two gray surfaces enclosed by an adiabatic surface is given by . b) Q 12 = A σ b (T 14 – T 24) / . c) Q 12 = A σ b (T 14 – T 24) / . d) Q 12 = A σ b (T 14 – T 24) / . Correct Answer 1/E 1 + 1/E 2 – 2 + 2/1 + F 12

This is the net heat exchange between two gray surfaces enclosed by an adiabatic surface.

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