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 A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Saturated air Moist air Specific humidity Dry air Saturated air Moist air Specific humidity Dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During heating and humidification, the final relative humidity of air Can be lower or higher than that of the entering air None of the listed here Is higher than that of the entering air Is lower than that of the entering air Can be lower or higher than that of the entering air None of the listed here Is higher than that of the entering air Is lower than that of the entering air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Lower than atmospheric pressure Equal to atmospheric pressure Could be anything Higher than atmospheric pressure Lower than atmospheric pressure Equal to atmospheric pressure Could be anything Higher than atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. 1 - (1/C.O.P) 1 + C.O.P 1 + (1/C.O.P) 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
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