Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 14°C 5°C 22°C 8°C 14°C 5°C 22°C 8°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Cooling and humidification Cooling and dehumidification Dehumidification Dehumidification and pure sensible cooling Cooling and humidification Cooling and dehumidification Dehumidification Dehumidification and pure sensible cooling 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 - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In aircraft, air refrigeration Cycle is used because of Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate Low weight per tonne of refrigeration Low temperature at high altitudes Higher coefficient of performance High heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The Freon group of refrigerants are Halocarbon refrigerants Inorganic refrigerants Zoetrope refrigerants Hydrocarbon refrigerants Halocarbon refrigerants Inorganic refrigerants Zoetrope refrigerants Hydrocarbon refrigerants ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -77.7°C -30°C -33.3°C -10.5°C -77.7°C -30°C -33.3°C ANSWER DOWNLOAD EXAMIANS APP
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