Agricultural Engineering > GATE 2015 > Psychrometry
Two kg mass of air at 40 °C with 0.023 kg water vapour per kg dry air is mixed with 3 kg mass of air at 20 °C with 0.008 kg water vapour per kg dry air to produce 5 kg mass of air at 60% relative humidity at 28 °C. Assume all the streams are at normal atmospheric pressure (101.325 kPa). The saturation vapour pressure of water in kPa at 28 °C is _______.
Correct : 3.7
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