Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

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Question: Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?
[A].

Air cycle

[B].

Carnot cycle

[C].

Ordinary vapour compression cycle

[D].

Vapour compression with a reversible expansion engine

Answer: Option A

Explanation:

No answer description available for this question.