Refrigeration And Air Conditioning MCQ Questions & Answers | Mechanical Engineering

A. After passing through the condenser

B. Before passing through the condenser

C. After passing through the expansion or throttle valve

D. Before entering the expansion valve

A. Before entering the compressor

B. After leaving the compressor

C. Before entering the condenser

D. After leaving the condenser

A. After passing through the condenser

B. Before passing through the condenser

C. After passing through the expansion or throttle valve

D. Before entering the compressor

A. Ammonia

B. Carbon dioxide

C. Sulphur dioxide

D. R-12

A. Same

B. More

C. Less

D. More or less depending on ambient conditions

A. Critical pressure of refrigerant

B. Much below critical pressure

C. Much above critical pressure

D. Near critical pressure

A. Saturated liquid

B. Wet vapour

C. Dry saturated vapour

D. Superheated vapour

A. Ericson

B. Stirling

C. Carnot

D. Bell Coleman

A. 1 + C.O.P.

B. 1 - C.O.P.

C. $$1 + \frac{1}{{{\text{C}}{\text{.O}}{\text{.P}}{\text{.}}}}$$

D. $$1 - \frac{1}{{{\text{C}}{\text{.O}}{\text{.P}}{\text{.}}}}$$

A. Heated and dehumidified

B. Heated and humidified

C. Cooled and humidified

D. Cooled and dehumidified