Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min 840 kJ/ min 210 kJ/ min 420 kJ/ min 21 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The freezing point of sulphur dioxide is -56.6°C -135.8°C -75.2°C -77.7°C -56.6°C -135.8°C -75.2°C -77.7°C 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 [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a heat pump working on a reversed Carnot cycle is T₂/(T₂ - T₁) T₁/(T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ T₂/(T₂ - T₁) T₁/(T₂ - T₁) (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be Cooling and humidification Dehumidification and pure sensible cooling Dehumidification Cooling and dehumidification Cooling and humidification Dehumidification and pure sensible cooling Dehumidification Cooling and dehumidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A standard ice point temperature corresponds to the temperature of Solid and dry ice Water at 0°C Ice at 4°C Mixture of ice and water under equilibrium conditions Solid and dry ice Water at 0°C Ice at 4°C Mixture of ice and water under equilibrium conditions ANSWER DOWNLOAD EXAMIANS APP
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