Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser After passing through the condenser After passing through the expansion or throttle valve Before entering the expansion valve Before passing through the condenser After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant CO2 Ammonia Freon-11 Freon-22 CO2 Ammonia Freon-11 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the lowest freezing point? Ammonia R-22 R-11 R-12 Ammonia R-22 R-11 R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Normal cooling Sub-cooling or under-cooling None of the listed here Super-cooling Normal cooling Sub-cooling or under-cooling None of the listed here Super-cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 10°C 15°C 20°C 5°C 10°C 15°C 20°C 5°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 Ammonia R-22 R-12 R-11 Ammonia R-22 R-12 ANSWER DOWNLOAD EXAMIANS APP
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