Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P 1 - (1/C.O.P) 1 - C.O.P. 1 + (1/C.O.P) 1 + C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For proper refrigeration in a cabinet, if the temperature and vapour pressure difference between cabinet and atmosphere is high, then Perfectly tight vapour seal should be used Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used Perfectly tight vapour seal should be used Bigger cabinet should be used Refrigerant with lower evaporation temperature should be used Smaller cabinet should be used ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is Low boiling point High latent heat of vaporisation All of these High critical temperature Low boiling point High latent heat of vaporisation All of these High critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Cooling and dehumidification Heating and humidification Dehumidification Humidification Cooling and dehumidification Heating and humidification Dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheated vapour region, in a pressure enthalpy chart, is represented by the space To the left of saturated liquid line Between the saturated liquid line and saturated vapour line None of these To the right of saturated liquid line To the left of saturated liquid line Between the saturated liquid line and saturated vapour line None of these To the right of saturated liquid line ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bank of tubes at the back of domestic refrigerator is Condenser tubes Capillary tubes Evaporator tubes Refrigerant cooling tubes Condenser tubes Capillary tubes Evaporator tubes Refrigerant cooling tubes ANSWER DOWNLOAD EXAMIANS APP
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