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What is the value of C.O.P. for the following p-h chart?

What is the value of C.O.P. for the following p-h chart? Correct Answer (h1 − h4) / (h2 − h1)

C.O.P. = Refrigerating effect / Work done As, Refrigerating effect = Process 1-4 = h1 − h4 Work done = Process 1-2 = h2 − h1 Hence, C.O.P. = (h1 − h4) / (h2 − h1).

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