Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1/ B.P.F. 1 - B.P.F. P.F. - 1 1 + B.P.F. 1/ B.P.F. 1 - B.P.F. P.F. - 1 1 + B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? None of the listed here Vapour compression cycle Vapour absorption cycle Air refrigeration cycle None of the listed here Vapour compression cycle Vapour absorption cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, Dry bulb temperature increases Wet bulb temperature decreases All of these Dew point temperature decreases Dry bulb temperature increases Wet bulb temperature decreases All of these Dew point temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase Decrease Remain unaffected May increase or decrease depending on the type of refrigerant used Increase ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified Heated and dehumidified Cooled and humidified Heated and humidified Cooled and dehumidified ANSWER DOWNLOAD EXAMIANS APP