engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Refrigeration and Air Conditioning Air Conditioning Properties of Moist Air (Psychrometric Properties)
Relative humidity is
1
the ratio of the mass of water vapour (mw) to the mass of dry air (ma)
2
the ratio of the partial pressure of water vapour (Pv) to the saturation pressure of water vapour (Ps) at the same temperature
3
the ratio of the humidity ratio (w) to the humidity ratio of a saturated mixture (ws) at the same temperature and pressure.
4
None of the above