Refrigeration and Air Conditioning The freezing point of R-12 is -107.7°C -86.6°C -135.8°C -95.2°C -107.7°C -86.6°C -135.8°C -95.2°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Increases C.O.P Other factors decide C.O.P Decreases C.O.P O.P remains unaltered Increases C.O.P Other factors decide C.O.P Decreases C.O.P O.P remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant depends on other factors increases decreases remains same depends on other factors increases decreases remains same 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 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 Coefficient of performance of heat pump ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be At critical Temperature Much below critical temperature Near critical temperature of refrigerant Above critical temperature At critical Temperature Much below critical temperature Near critical temperature of refrigerant Above critical temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS