A reversed Carnot cycle is operating between temperature limits of (- – McqOptions

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1.	A reversed Carnot cycle is operating between temperature limits of (-) 33°C and (+) 27°C. If it acts as a heat engine gives an efficiency of 20%. What is the value of C.O.P. of a heat pump operating under the same conditions?
A.	6.5
B.	8
C.	5
D.	2.5
Answer» D. 2.5

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