Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Increase cooling effect Reduce compressor overheating Ensure that only liquid and not the vapour enters the expansion (throttling) valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The reduced ambient air cooling system has One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers Two cooling turbines and one heat exchanger One cooling turbine and two heat exchangers One cooling turbine and one heat exchanger Two cooling turbines and two heat exchangers Two cooling turbines and one heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Critical temperature is the temperature above which A gas will never liquefy Water will evaporate Water will never evaporate A gas will immediately liquefy A gas will never liquefy Water will evaporate Water will never evaporate A gas will immediately liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. Equally Less More Unpredictable Equally Less More Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Reduces power consumption Increases power consumption Improves C.O.P. of the system Increases heat transfer Reduces power consumption Increases power consumption Improves C.O.P. of the system Increases heat transfer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when The moisture present in it begins to condense None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air ANSWER DOWNLOAD EXAMIANS APP
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