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Mechanical Engineering · Q30

Refrigeration And Air Conditioning

Engineering and GATE · Mechanical Engineering · question 30

Q30

The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by

A.
(C.O.P.)P = (C.O.P.)R + 2
B.
(C.O.P.)P = (C.O.P.)R + 1
Answer
C.
(C.O.P.)P = (C.O.P.)R - 1
D.
(C.O.P.)P = (C.O.P.)R

Answer: Option B

Solution

Answer: Option B
Solution:
The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by (C.O.P.)P = (C.O.P.)R + 1