A reversed Carnot cycle required 3 hp and extracts energy from a lake to heat a house. If the house is kept at 70°F and required 2000 BTU/min, what is the temperature of the lake?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A reversed Carnot cycle required 3 hp and
extracts energy from a lake to heat a house. If
the house is kept at 70°F and required 2000
BTU/min, what is the temperature of the lake?

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