Refrigeration and Air Conditioning The specific humidity during cooling and dehumidification Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these 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) μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) None of these μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) None of these 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 Atmospheric pressure Slightly above atmospheric pressure 24 bars 56 bars Atmospheric pressure Slightly above atmospheric pressure 24 bars ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The relative coefficient of performance is equal to None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) None of these (Actual C.O.P.) × (Theoretical C.O.P.) (Actual C.O.P.) /(Theoretical C.O.P.) (Theoretical C.O.P.)/ (Actual C.O.P.) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration cycle is used in Gas liquefaction Air conditioning Commercial refrigerators Domestic refrigerators Gas liquefaction Air conditioning Commercial refrigerators Domestic refrigerators ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 18.6 kW 1.86 kW 3.72 kW 7.44 kW 18.6 kW 1.86 kW 3.72 kW 7.44 kW ANSWER DOWNLOAD EXAMIANS APP
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