The humidity at dry-bulb temperature of 20^oC is 10% and the humidity at dry-bulb temperature of 23^oC is 4%, what is the slope of adiabatic cooling line?(a) -0.01(b) -0.02(c) -0.03(d) -0.05This question was posed to me in examination.The query is from Degrees of Freedom Analysis in Steady-State Process in chapter Humidity Charts & their Use, Analysis of the Degrees of Freedom in a Steady – State Process, Solving Material and Energy Balances Using Process and Unsteady State Material and Energy Balances of Basic Chemical Engineering

The humidity at dry-bulb temperature of 20^oC is 10% and the humidity

1.	The humidity at dry-bulb temperature of 20^oC is 10% and the humidity at dry-bulb temperature of 23^oC is 4%, what is the slope of adiabatic cooling line?(a) -0.01(b) -0.02(c) -0.03(d) -0.05This question was posed to me in examination.The query is from Degrees of Freedom Analysis in Steady-State Process in chapter Humidity Charts & their Use, Analysis of the Degrees of Freedom in a Steady – State Process, Solving Material and Energy Balances Using Process and Unsteady State Material and Energy Balances of Basic Chemical Engineering
Answer» RIGHT option is (B) -0.02 For EXPLANATION I would say: Slope of ADIABATIC cooling line = (0.1 – 0.04)/(20 – 23) = -0.02.

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