Refrigeration and Air Conditioning The unit of thermal diffusivity is m/hK m²/h m/h m²/hK m/hK m²/h m/h m²/hK ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is High pressure saturated liquid Wet vapour Dry vapour Very wet vapour High pressure saturated liquid Wet vapour Dry vapour Very wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called Dry bulb temperature Dew point temperature None of these Wet bulb temperature Dry bulb temperature Dew point temperature None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is saturated liquid Before entering the expansion valve After passing through the expansion throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion throttle valve Before passing through the condenser After passing through the condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 20 to 50°C 70 to 110°C 50 to 70°C None of these 20 to 50°C 70 to 110°C 50 to 70°C None of these ANSWER DOWNLOAD EXAMIANS APP