Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant Raise the pressure of the refrigerant All of these Circulate the refrigerant through the refrigerating system Raise the temperature of the refrigerant Raise the pressure of the refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The thermostatic expansion valve is used in ________ type of evaporators. Flooded None of these DX coil Dry Flooded None of these DX coil Dry ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is None of these Theoretical COP/actual COP Actual COP × theoretical COP Actual COP/theoretical COP None of these Theoretical COP/actual COP Actual COP × theoretical COP Actual COP/theoretical COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 5 0.2 1.2 6 5 0.2 1.2 6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P.)R + 2 ( O.P.)P = ( ( O.P)P = ( ( O.P)P = ( O.P.)P = ( ( O.P)R O.P.)R + 1 O.P)R - 1 O.P.)R + 2 ( O.P.)P = ( ( O.P)P = ( ( O.P)P = ( O.P.)P = ( ( O.P)R O.P.)R + 1 O.P)R - 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS