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Heat Transfer Refrigeration and Air Conditioning - Engineering

Q1:

Which of the following statement is wrong?

A The performance of the vapour compression refrigerator varies considerably with both vaporising and condensing temperatures.

B In vapour compression cycle, the useful part of the heat transfer is at the condenser.

C In ammonia-hydrogen (electolux) refrigerator, no compressor, pump or fan is required.

D The effect of under-cooling the liquid refrigerant is to decrease the coefficient of performance.

ANS:D - The effect of under-cooling the liquid refrigerant is to decrease the coefficient of performance.

Explanation: No answer description is available.