Refrigeration and Air Conditioning The evaporator used in household refrigerators is Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator Defrosting evaporator Non-frosting evaporator None of these Frosting evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Equal to atmospheric pressure Lower than atmospheric pressure Could be anything Higher than atmospheric pressure Equal to atmospheric pressure Lower than atmospheric pressure Could be anything Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 3.33 2.33 1.33 4.33 3.33 2.33 1.33 4.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice In 24 hours In 1 hour In 1 minute In 12 hours In 24 hours In 1 hour In 1 minute In 12 hours ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The human body feels comfortable when the heat stored in the body is Positive Negative Zero None of these Positive Negative Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Dehumidification and pure sensible cooling Cooling and humidification Dehumidification Cooling and dehumidification Dehumidification and pure sensible cooling Cooling and humidification Dehumidification Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
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