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
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by O.P.)P = ( O.P)R - 1 ( O.P)P = ( O.P.)R + 2 ( O.P.)R + 1 ( ( O.P)R O.P)P = ( O.P.)P = ( O.P.)P = ( O.P)R - 1 ( O.P)P = ( O.P.)R + 2 ( O.P.)R + 1 ( ( O.P)R O.P)P = ( O.P.)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most thermostatic expansion valves are set for a superheat of 5°C 15°C 10°C 20°C 5°C 15°C 10°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be As low as possible (3 to 11°C) Any value Zero High, of the order of 25° As low as possible (3 to 11°C) Any value Zero High, of the order of 25° ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of R-12 is -135.8°C -95.2°C -107.7°C -86.6°C -135.8°C -95.2°C -107.7°C -86.6°C ANSWER DOWNLOAD EXAMIANS APP
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