_ The heat rejection factor (HRF) is given by$? – McqOptions

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1.	_ The heat rejection factor (HRF) is given by$?
A.	1 + C.O.P
B.	1 - C.O.P.
C.	1 + (1/C.O.P)
D.	1 - (1/C.O.P)
Answer» D. 1 - (1/C.O.P)

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