Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Aluminium Copper Brass Steel Aluminium Copper Brass Steel ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For unsaturated air, the dew point temperature is __________ wet bulb temperature. Equal to Less than None of these More than Equal to Less than None of these More than 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 Superheating in a refrigeration cycle Decreases C.O.P Other factors decide C.O.P Increases C.O.P O.P remains unaltered Decreases C.O.P Other factors decide C.O.P Increases C.O.P O.P remains unaltered 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) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Wet bulb temperature is the temperature of air recorded by a thermometer, when None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense None of these Its bulb is surrounded by a wet cloth exposed to the air It is not affected by the moisture present in the air The moisture present in it begins to condense ANSWER DOWNLOAD EXAMIANS APP
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