Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Expansion valve Compressor Evaporator Condenser Expansion valve Compressor Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube, as an expansion device, is used in All of these Domestic refrigerators Water coolers Room air conditioners All of these Domestic refrigerators Water coolers Room air conditioners ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The boiling point of ammonia is -10.5°C -77.7°C -33.3°C -30°C -10.5°C -77.7°C -33.3°C -30°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP None of these Actual COP/theoretical COP Actual COP × theoretical COP Theoretical COP/actual COP ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation) None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Discharge pressure Back pressure Critical pressure Suction pressure Discharge pressure Back pressure Critical pressure Suction pressure ANSWER DOWNLOAD EXAMIANS APP
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