Problem 55PE

Problem 55PE

At what net rate does heat radiate from a 275-m2 black roof on a night when the roof’s temperature is 30.0ºC and the surrounding temperature is 15.0ºC ? The emissivity of the roof is 0.900.

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Solution 55PE

Q/t = 2.1740 x 10+04 j

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###### Chapter 14, Problem 55PE is Solved

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