Refrigeration and Air Conditioning The minimum temperature to which water can be cooled in a cooling tower is Dry bulb temperature of air Wet bulb temperature of air Dew point temperature of air Ambient air temperature Dry bulb temperature of air Wet bulb temperature of air Dew point temperature of air Ambient air temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil) (td₃ -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) (td₃ -td₁)/( td₂ -td₃) (td₃ -td₂)/( td₁ -td₃) (td₁ -td₃)/( td₂ -td₃) (td₂ -td₃)/( td₁ -td₃) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is O.P/3.5 None of these 3.5 × C.O.P. 3.5/C.O.P. O.P/3.5 None of these 3.5 × C.O.P. 3.5/C.O.P. 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)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) None of these μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant compressor is used to All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system All of these Raise the temperature of the refrigerant Raise the pressure of the refrigerant Circulate the refrigerant through the refrigerating system ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the Expansion valve to the evaporator Condenser to the expansion valve Condenser to the evaporator Evaporator to the thermostat Expansion valve to the evaporator Condenser to the expansion valve Condenser to the evaporator Evaporator to the thermostat ANSWER DOWNLOAD EXAMIANS APP
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