Refrigeration and Air Conditioning Allowable pressure on high pressure side or ammonia absorption system is of the order of 24 bars 56 bars Atmospheric pressure Slightly above atmospheric pressure 24 bars 56 bars Atmospheric pressure Slightly above atmospheric pressure 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) 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)] ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If a gas is to be liquefied, its temperature must be Increased to a value above its critical temperature None of these Reduced to a value below its critical temperature Equal to critical temperature Increased to a value above its critical temperature None of these Reduced to a value below its critical temperature Equal to critical temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Non-toxic Highly toxic and inflammable Non-inflammable Toxic and non-inflammable Non-toxic Highly toxic and inflammable Non-inflammable Toxic and non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct? The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here The wet bulb temperature is a measure of enthalpy of moist air The wet bulb and dry bulb temperature are equal at saturation condition The constant enthalpy lines are also constant wet bulb temperature lines All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The cooling system used for supersonic aircrafts and rockets is Simple air cooling system Bootstrap air cooling system Reduced ambient air cooling system Regenerative air cooling system Simple air cooling system Bootstrap air cooling system Reduced ambient air cooling system Regenerative air cooling system ANSWER DOWNLOAD EXAMIANS APP
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