Refrigeration and Air Conditioning The wet bulb temperature during sensible heating of air Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Heating and humidification Humidification Cooling and dehumidification Dehumidification Heating and humidification Humidification Cooling and dehumidification Dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In chemical dehumidification process, All of these Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases All of these Dry bulb temperature increases Dew point temperature decreases Wet bulb temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure 56 bars 24 bars Slightly above atmospheric pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? R-12 Carbon dioxide Sulphur dioxide Ammonia R-12 Carbon dioxide Sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
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