# Refrigeration confusion

Mechila
The attached file shows a T-s diagram of a refrigeration cycle . Now let us consider 2 refrigeration cycles as shown in the diagram 1-2-3-4 and 1'-2'-3'-4'. Which one will have a greater C.O.P or greater efficiency ?

The first one (1-2-3-4) acts in a lower temperature range , whereas the 2nd one (1'-2'-3'-4') acts in a higher temperature range. Can someone provide me some hint or thought process . Is confused. Someone show me a way . Thanks in advance .

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• refrigeration.JPG
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Jaydeep ch