Refrigeration and Air Conditioning Cooling water is required for following equipment in ammonia absorption plant Condenser, absorber and separator (rectifier) Absorber Evaporator Condenser Condenser, absorber and separator (rectifier) Absorber Evaporator Condenser ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is Less More or less depending on ambient conditions Same More Less More or less depending on ambient conditions Same More ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of -23°C. The Carnot coefficient of performance of cycle will be 6 0.2 1.2 5 6 0.2 1.2 5 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During a refrigeration cycle, heat is rejected by the refrigerant in a Expansion valve Condenser Compressor Evaporator Expansion valve Condenser Compressor Evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A human body feels comfortable when the heat produced by the metabolism of human body is equal to the Heat stored in the human body Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) Heat stored in the human body Heat dissipated to the surroundings Sum of (A) and (B) Difference of (A) and (B) 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)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these 0.622 Pv / (Pb - Pv) ANSWER DOWNLOAD EXAMIANS APP
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