Refrigeration and Air Conditioning Critical temperature is the temperature above which Water will evaporate Water will never evaporate A gas will never liquefy A gas will immediately liquefy Water will evaporate Water will never evaporate A gas will never liquefy A gas will immediately liquefy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Condensing temperature in a refrigerator is the temperature At which refrigerant gas becomes liquid Of cooling medium Of freezing zone Of evaporator At which refrigerant gas becomes liquid Of cooling medium Of freezing zone Of evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in winter air-conditioning to warm and humidity the air, is called Dehumidification Heating and humidification Humidification Cooling and dehumidification Dehumidification Heating and humidification Humidification Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
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 atmospheric air at dry bulb temperature of 15°C enters a heating coil maintained at 40°C. The air leaves the heating coil at 25°C. The bypass factor of the heating coil is 0.376 0.6 0.67 0.4 0.376 0.6 0.67 0.4 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be 2.33 3.33 4.33 1.33 2.33 3.33 4.33 1.33 ANSWER DOWNLOAD EXAMIANS APP