Engineering Board Exam Reviewer · Thermodynamics · medium
A Carnot heat pump extracts heat from outside air at 270 K and delivers heat to a house at 300 K. What is its COP?
- 10
- 9
- 0.1
- 1.11
Answer
A. 10
Solution
COPHP = TH/(TH - TL) = 300/30 = 10.
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