engineering recuitment HAL Management & Design Trainee Mock Test 2023 Refrigeration and Air Conditioning Air Conditioning Properties of Moist Air (Psychrometric Properties)
Air at state 1 (DPT = 1°C, w = 0.0040 kg/kgab) mixes with air at state 2 (DPT = 18°C, w = 0.0051 kg/kgab) in the ratio of 1 to 3 by weight. The degree of saturation (%) of the mixture is (The specific humidity of saturated air at 13.6°C, is w = 0.01 kg/kgab)
1
25
2
30
3
48
4
62