Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 20°C 10°C 5°C 15°C 20°C 10°C 5°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a saturated air-water vapour mixture, the Dry bulb temperature is higher than dew point temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than wet bulb temperature Dry bulb temperature is higher than dew point temperature Dry bulb, wet bulb and dew point temperature are same Dew point temperature is lower than wet bulb temperature Dry bulb temperature is higher than wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process Takes place at constant pressure Involves no change in volume Takes place at constant temperature Takes place at constant entropy Takes place at constant pressure Involves no change in volume Takes place at constant temperature Takes place at constant entropy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at High pressure side close to receiver Low pressure side near receiver Delivery of compressor Suction of compressor High pressure side close to receiver Low pressure side near receiver Delivery of compressor Suction of compressor ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called Coefficient of performance of heat pump Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance Coefficient of performance of heat pump Refrigerating efficiency Coefficient of performance of refrigeration Relative coefficient of performance ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here The wet bulb and dry bulb temperature are equal at saturation condition The wet bulb temperature is a measure of enthalpy of moist air The constant enthalpy lines are also constant wet bulb temperature lines ANSWER DOWNLOAD EXAMIANS APP
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