The sun shines on a 1500 ft2 road surface so it is at 115 F. Below the

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The sun shines on a 1500 ft2 road surface so it is at 115 F. Below the 2 inch thick asphalt, average conductivity of 0.035 Btu/h ft F, is a layer of compacted rubbles at a temperature of 60 F. Find the rate of heat transfer to the rubbles.

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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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Question Posted: Nov 24, 2009 11:24 PM

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The sun shines on a 1500 ft2 road surface so it is at 115 F. Below the

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Fundamentals of Thermodynamics

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