Refrigeration and Air Conditioning The relative coefficient of performance is Actual COP × theoretical COP Theoretical COP/actual COP Actual COP/theoretical COP None of these Actual COP × theoretical COP Theoretical COP/actual COP Actual COP/theoretical COP None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 60% RH 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 50% RH 26°C DBT and 60% RH 20°C DBT and 50% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Formation of frost on evaporator in refrigerator Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate Results in loss of heat due to poor heat transfer Is immaterial Can be avoided by proper design Increases heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines The wet bulb temperature is a measure of enthalpy of moist air All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the expansion valve Before passing through the condenser After passing through the expansion or throttle valve After passing through the condenser Before entering the expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is More More or less depending on ambient conditions Less Same More More or less depending on ambient conditions Less Same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS