Q 19. Water at 42 is sprayed into a stream of air at atmospheric pressure, dry bulb temperature of 40˚C and a wet bulb temperature of 20˚C. The air leaving the spray humidifier is not saturated. Which of the following statements is true?
(A) Air gets cooled and humidified
(B) Air gets heated and humidified
(C) Air gets heated and dehumidified
(D) Air gets cooled and dehumidified
Answer: (B)
Explanation:
