Refrigeration and Air Conditioning The COP of a domestic refrigerator Depends upon the make Is less than 1 Is more than 1 Is equal to 1 Depends upon the make Is less than 1 Is more than 1 Is equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as Dew point temperature Mean radiant temperature Effective temperature None of the listed here Dew point temperature Mean radiant temperature Effective temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will Decrease Increase May increase or decrease depending on the type of refrigerant used Remain unaffected Decrease Increase May increase or decrease depending on the type of refrigerant used Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature. None of the listed here Higher than Lower than Same as None of the listed here Higher than Lower than Same as 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)] 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) None of these μ/[1 - (1 - μ) (Ps/Pb)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating pressure for refrigerating units using R-12 as a refrigerant is 2 bar 30 bar 8 bar 15 bar 2 bar 30 bar 8 bar 15 bar ANSWER DOWNLOAD EXAMIANS APP
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