Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. Lower Higher None of these Same Lower Higher None of these Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be Near critical temperature of refrigerant At critical Temperature Much below critical temperature Above critical temperature Near critical temperature of refrigerant At critical Temperature Much below critical temperature Above critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy Temperature and enthalpy Specific volume and enthalpy Temperature, pressure and enthalpy Temperature, pressure, specific volume and enthalpy 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)P = ( O.P)R O.P)R - 1 ( ( O.P.)P = ( ( O.P.)P = ( O.P)P = ( O.P.)R + 1 ( O.P.)R + 2 O.P)P = ( O.P)R O.P)R - 1 ( ( O.P.)P = ( ( O.P.)P = ( O.P)P = ( O.P.)R + 1 ( O.P.)R + 2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ T₁/(T₂ - T₁) (T₂ - T₁)/T₁ T₂/(T₂ - T₁) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP