[Solved] Which of the following statements are TRUE?

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Q.	Which of the following statements are TRUE?
A.	During cooling and humidification process, the enthalpy of air decreases
B.	During cooling and humidification process, the enthalpy of air increases
C.	During cooling and humidification process, the enthalpy of air remains constant
D.	During cooling and humidification process, the enthalpy of air may increase, decrease or remain constant depending upon the temperature of the wet surface
Answer» D. During cooling and humidification process, the enthalpy of air may increase, decrease or remain constant depending upon the temperature of the wet surface

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