Refrigeration and Air Conditioning The pressure at the inlet of a refrigerant compressor is called Critical pressure Suction pressure Discharge pressure Back pressure Critical pressure Suction pressure Discharge pressure Back pressure ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Same Less More More or less depending on ambient conditions Same Less More More or less depending on ambient conditions ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Same in winter and summer Higher in winter than in summer Not dependent on season Lower in winter than in summer Same in winter and summer Higher in winter than in summer Not dependent on season Lower in winter than in summer ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Relative Absolute Specific None of these Relative Absolute Specific 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) 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 In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at Suction of compressor Delivery of compressor Low pressure side near receiver High pressure side close to receiver Suction of compressor Delivery of compressor Low pressure side near receiver High pressure side close to receiver ANSWER DOWNLOAD EXAMIANS APP
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