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Chemical Engineering - Mass Transfer - Discussion

Discussion Forum : Mass Transfer - Section 9 (Q.No. 20)
Mass Transfer
20.
Pick out the wrong statement
A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity.
When water is cooled from 80 to 70°C by exposure to the air with a wet bulb temperature of 60°C, then both the approach & the range would be 10°C.
For unsaturated air-water vapor mixture at atmospheric conditions, the wet bulb temperature & adiabatic cooling lines are the same.
Relative saturation of unsaturated mixture of water vapor & air can not be increased by either reducing the mixture temperature or by increasing the total pressure.
Answer: Option
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