engineering recuitment HPCL Engineer Mock Test 2024 Refrigeration and Air Conditioning Air Conditioning Properties of Moist Air (Psychrometric Properties)
The relative humidity of ambient air at 300 K is 50% with a partial pressure of water vapour equal to Pv. The saturation pressure of water at 300 K is Psat. The correct relation for the air-water mixture is
1
Pv = 2Psat
2
Pv = Psat
3
Pv = 0.5Psat
4
Pv = 0.622Psat