*/*_A reversible engine has ideal thermal efficiency of 30%. When it i – McqOptions

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1.	/_A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be?
A.	1.33
B.	2.33
C.	3.33
D.	4.33
Answer» C. 3.33

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