A machine working on a Carnot cycle operates between 305 K and 260 K. – McqOptions

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1.	A machine working on a Carnot cycle operates between 305 K and 260 K. Determine the C.O.P. when it is operated as a refrigerating machine.
A.	5.78
B.	6.78
C.	0.147
D.	None of the above
Answer» B. 6.78

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