Category: Refrigeration and Air Conditioning

A. reduce compressor overheating
B. reduce compressor discharge temperature
C. increase cooling effect
D. ensure that only liquid and not the vapour enters the expansion (throttling) valve
E. none of the above

A. 0.2
B. 1.2
C. 5
D. 6
E. 10

A. bigger cabinet should be used
B. smaller cabinet should be used
C. perfectly tight vapour seal should be used
D. refrigerant with lower evaporation temperature should be used
E. refrigerant with high boiling point must be used

A. Rankine
B. Carnot
C. Reversed Rankine
D. Brayton
E. Reversed Carnot