COPs of gas-refrigeration cycle & vapour compression cycle - Thermodynamics

Q.  How is the COP of gas-refrigeration cycle compared with the COP of vapour compression cycle, for the same capacity?
- Published on 21 Aug 15

a. the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity
b. the COP of gas-refrigeration cycle is higher than the COP of vapour compression cycle, for the same capacity
c. the COP of gas-refrigeration cycle is same as the COP of vapour compression cycle
d. none of the above

ANSWER: the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity

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