1.

Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and = Degree of saturation)

A. <img src="/_files/images/mechanical-engineering/heat-transfer-refrigeration-and-air-conditioning/429-312-1.png">
B. <img src="/_files/images/mechanical-engineering/heat-transfer-refrigeration-and-air-conditioning/429-312-2.png">
C. <img src="/_files/images/mechanical-engineering/heat-transfer-refrigeration-and-air-conditioning/429-312-3.png">
D. none of these
Answer» C. <img src="/_files/images/mechanical-engineering/heat-transfer-refrigeration-and-air-conditioning/429-312-3.png">


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