Refrigeration and Air Conditioning The specific humidity during humidification process Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases 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) 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] None of these [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Rankine Reversed Rankine Carnot Reversed Carnot Rankine Reversed Rankine Carnot Reversed Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Highest temperature encountered in refrigeration cycle should be At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature At critical Temperature Above critical temperature Near critical temperature of refrigerant Much below critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by ( O.P.)P = ( O.P.)P = ( O.P)P = ( O.P.)R + 2 O.P)R ( ( ( O.P)R - 1 O.P.)R + 1 O.P)P = ( ( O.P.)P = ( O.P.)P = ( O.P)P = ( O.P.)R + 2 O.P)R ( ( ( O.P)R - 1 O.P.)R + 1 O.P)P = ( ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be 1.2 0.2 5 6 1.2 0.2 5 6 ANSWER DOWNLOAD EXAMIANS APP
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