Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser Absorber Condenser, absorber and separator (rectifier) Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest pressure encountered in a refrigeration system should be Critical pressure of refrigerant Near critical pressure Much below critical pressure Much above critical pressure Critical pressure of refrigerant Near critical pressure Much below critical pressure Much above critical pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature Reduce compressor overheating Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor discharge temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and dehumidification process, dry bulb temperature Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases 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 operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 7.44 kW 18.6 kW 1.86 kW 3.72 kW 7.44 kW 18.6 kW 1.86 kW 3.72 kW ANSWER DOWNLOAD EXAMIANS APP
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