engineering recuitment HPCL Engineer Mock Test 2024 Refrigeration and Air Conditioning Air Conditioning
If pa and pv denote respectively the partial pressure of dry air and that of water vapour in moist air, the specific humidity of air is given by
1
\(\frac{{{p_v}}}{{{p_a} + {p_v}}}\)
2
\(\frac{{{p_v}}}{{{p_a}}}\)
3
\(\frac{{0.622{p_v}}}{{{p_a}}}\)
4
\(\frac{{0.622{p_v}}}{{{p_a} + {p_v}}}\)