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 4.33 2.33 1.33 3.33 4.33 2.33 1.33 3.33 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Aqua ammonia is used as refrigerant in the following type of refrigeration system Indirect Compression Absorption Direct Indirect Compression Absorption Direct ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The COP of a domestic refrigerator Is more than 1 Is equal to 1 Is less than 1 Depends upon the make Is more than 1 Is equal to 1 Is less than 1 Depends upon the make ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Air conditioning Commercial refrigerators Domestic refrigerators Gas liquefaction Air conditioning Commercial refrigerators Domestic refrigerators Gas liquefaction ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, Dew point temperature decreases Dry bulb temperature increases All of these Wet bulb temperature decreases Dew point temperature decreases Dry bulb temperature increases All of these Wet bulb temperature decreases ANSWER DOWNLOAD EXAMIANS APP