Refrigeration and Air Conditioning Which of the following statement is correct? The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Where does the lowest temperature occur in a vapour compression cycle? Condenser Evaporator Compressor Expansion valve Condenser Evaporator Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Carnot cycle Reversed Brayton cycle Reversed Joule cycle Reversed Otto cycle Reversed Carnot cycle Reversed Brayton cycle Reversed Joule cycle Reversed Otto cycle 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) [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] μ/[1 - (1 - μ) (Ps/Pb)] 0.622 Pv / (Pb - Pv) None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following is not a desirable property of a refrigerant? High risibility with oil Low boiling point Good electrical conductor Large latent heat High risibility with oil Low boiling point Good electrical conductor Large latent heat ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigeration system, the expansion device is connected between the Receiver and evaporator Condenser and receiver Compressor and condenser Evaporator and compressor Receiver and evaporator Condenser and receiver Compressor and condenser Evaporator and compressor ANSWER DOWNLOAD EXAMIANS APP