Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected Increase Decrease May increase or decrease depending on the type of refrigerant used Remain unaffected Increase 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 + 1 O.P.)P = ( O.P)R ( O.P)R - 1 ( O.P)P = ( ( O.P)P = ( O.P.)P = ( ( O.P.)R + 2 O.P.)R + 1 O.P.)P = ( O.P)R ( O.P)R - 1 ( O.P)P = ( ( O.P)P = ( O.P.)P = ( ( O.P.)R + 2 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vertical and uniformly spaced lines on a psychrometric chart indicates Specific humidity Dew point temperature Wet bulb temperature Dry bulb temperature Specific humidity Dew point temperature Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -30°C -77.7°C -33.3°C -10.5°C -30°C -77.7°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning An evaporator is also known as Freezing coil Cooling coil All of these Chilling coil Freezing coil Cooling coil All of these Chilling coil 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