A house is maintained at 21C in winter by electric resistance heaters. If the outdoor temperature is

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A house is maintained at 21°C in winter by electric resistance heaters. If the outdoor temperature is 3°C, the second-law efficiency of the resistance heaters is

(a) 0%

(b) 4.1%

(d) 8.6%

(e) 16.3%

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Thermodynamics An Engineering Approach

ISBN: 9781259822674

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Authors: Yunus Cengel, Michael Boles, Mehmet Kanoglu

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Question Posted: Nov 05, 2020 08:08 AM

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A house is maintained at 21C in winter by electric resistance heaters. If the outdoor temperature is

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