Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 1.2 0.2 6 5 1.2 0.2 6 5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (h1 - h2)/ (hA - h2) (hA - h2)/ (h1 - h2) (hA - h1)/ (h2 - h1) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The dry bulb temperature during sensible heating of air None of these Increases Decreases Remains constant None of these Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be 1.5 0.67 0.3 0.6 1.5 0.67 0.3 0.6 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Back pressure Suction pressure Critical pressure Discharge pressure Back pressure Suction pressure Critical pressure Discharge pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature Of adiabatic saturation of incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream Of adiabatic saturation of incoming stream Which is lower than the dew point temperature of the incoming stream Which lies between the wet bulb and dew point temperatures of the incoming stream Which lies between the dry bulb and wet bulb temperatures of the incoming stream ANSWER DOWNLOAD EXAMIANS APP
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