Mass Transfer Mcqs for Chemical


Q.  An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively. The humidity of air sample expressed as kg of water vapour/kg of dry air is__________________?

a. 0.048
b. 0.079
c. 0.122
d. 0.152



 
 

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