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Question
Pick out the wrong statement
Options:
A .  A horizontal line on the humidity chart indicates the temperature changes at constant molal humidity
B .  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
C .  For unsaturated air-water vapor mixture at atmospheric conditions, the wet bulb temperature & adiabatic cooling lines are the same
D .  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 D

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