1.

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

A. (h1 − h4) / (h2 − h1)
B. (h3 − h4) / (h2 − h1)
C. (h2 − h4) / (h2 − h3)
D. (h1 − h2) / (h3 − h4)
Answer» B. (h3 − h4) / (h2 − h1)


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