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Reported Question / Answer
Q.) A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect ?
1)
Air refrigeration cycle.
2)
Vapor compression cycle using expansion valve.
3)
Carnot refrigeration cycle
4)
Vapor compression cycle using expansion engine.
5)
NULL
Answer :
3
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