Mechanical Engineering > Gate 2020 Set-2 > Heat Engine
If a reversed Carnot cycle operates between the temperature limits of 27°C and –3°C,
then the ratio of the COP of a refrigerator to that of a heat pump (COP of refrigerator/
COP of heat pump) based on the cycle is __________ (round off to 2 decimal places).
Correct : 0.89-0.91
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