Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

146) If the evaporator temperature is kept constant, the coefficient of performance of a refrigeration cycle __________ with the increase in condenser temperature.

Answer is:

decreases

147) The evaporator used in house-hold refrigerators is

Answer is:

frosting evaporator

148) The drier in a refrigeration system removes moisture in the system.

Answer is:

Correct

149) The __________ point of ammonia is -77.7?C.

Answer is:

freezing

150) Sulphur dioxide has the lowest boiling point.

Answer is:

NO

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