Refrigeration and Air Conditioning
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by

Liquid pump
Generator
Absorber and generator
Absorber, generator and liquid pump

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
[Pv (Pb - Pd)]/ [Pd (Pb - Pv)]
0.622 Pv / (Pb - Pv)
μ/[1 - (1 - μ) (Ps/Pb)]

ANSWER DOWNLOAD EXAMIANS APP