Refrigeration and Air Conditioning The temperature of ammonia after compression in a vapour compression system is 20 to 50°C 70 to 110°C 50 to 70°C None of these 20 to 50°C 70 to 110°C 50 to 70°C None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during dehumidification process None of these Remains constant Increases Decreases None of these Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Dry bulb temperature is the temperature of air recorded by a thermometer, when None of the listed here 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 the listed here 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
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)] [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) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.25 0.5 0.8 1.25 0.25 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide Lithium bromide R-12 Carbon dioxide Sulphur dioxide Lithium bromide R-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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