Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of Slightly above atmospheric pressure 24 bars 56 bars Atmospheric pressure Slightly above atmospheric pressure 24 bars 56 bars Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The superheating in a refrigeration cycle Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these Does not alter C.O.P. Decreases C.O.P. Increases C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following refrigerant has the highest freezing point. Sulphur dioxide Carbon dioxide R-12 Ammonia Sulphur dioxide Carbon dioxide R-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is R-11 R-22 Ammonia R-12 R-11 R-22 Ammonia R-12 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)] None of these 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] μ/[1 - (1 - μ) (Ps/Pb)] None of these 0.622 Pv / (Pb - Pv) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning One ton of the refrigeration is The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice The standard unit used in refrigeration problems The refrigeration effect to produce 1 ton of ice at NTP conditions The refrigeration effect to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours The cooling effect produced by melting 1 ton of ice ANSWER DOWNLOAD EXAMIANS APP
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