Efficiency of
a Carnot engine is 75%. If the cycle direction is reversed, COP of the reversed
Carnot cycle is
कार्नोट इंजन की दक्षता 75% है। यदि चक्र की दिशा उलट दी जाती है, तो उलटे कार्नोट चक्र का सीओपी होता है
1.33
0.75
0.33
1.75
1.33
Given :
Efficiency of
a Carnot engine 
..Method 1..
Now, we know that,
COP of reversed
Carnot cycle
Hence, the correct option is (A).
..Method 2..
COP of
reversed Carnot cycle for (heat pump)
Hence, the correct option is (A).
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