The 700 m 2 ceiling of a building has a thermal resistance of 0.52 m 2 K/W.
Question:
The 700 m2 ceiling of a building has a thermal resistance of 0.52 m2·K/W. The rate at which heat is lost through this ceiling on a cold winter day when the ambient temperature is 210°C and the interior is at 20°C is
(a) 23.1 kW
(b) 40.4 kW
(c) 55.6 kW
(d) 68.1 kW
(e) 88.6 kW
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Step by Step Answer:
To calculate the rate at which heat is lost through the ceiling you can use the formula for heat tra...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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