Refrigeration and Air Conditioning One of the purposes of sub cooling the liquid refrigerant is to Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Reduce compressor discharge temperature Increase cooling effect Ensure that only liquid and not the vapour enters the expansion (throttling) valve Reduce compressor overheating Reduce compressor discharge temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Condensing temperature in a refrigerator is the temperature Of cooling medium Of freezing zone At which refrigerant gas becomes liquid Of evaporator Of cooling medium Of freezing zone At which refrigerant gas becomes liquid Of evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The specific humidity during dehumidification process Increases Remains constant Decreases None of these Increases Remains constant Decreases 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) 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 freezing point of sulphur dioxide is -135.8°C -75.2°C -77.7°C -56.6°C -135.8°C -75.2°C -77.7°C -56.6°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Air refrigeration operates on Reversed Carnot cycle Rankine’s cycle Carnot cycle Brayton cycle Reversed Carnot cycle Rankine’s cycle Carnot cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
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