Water in an insulated evaporative cooler evaporates at the rate of 0.003 kg/s. Air flow rate is 1 kg/s. What is the air temperature decrease if the specific heat of humid air is 1 kJ/kg. K and latent heat of water is 2500 kJ/kg?

Water in an insulated evaporative cooler evaporates at the rate of 0.0

1.	Water in an insulated evaporative cooler evaporates at the rate of 0.003 kg/s. Air flow rate is 1 kg/s. What is the air temperature decrease if the specific heat of humid air is 1 kJ/kg. K and latent heat of water is 2500 kJ/kg?
A.	\[2.5{}^\circ C\]
B.	\[3.0{}^\circ C\]
C.	\[7.5{}^\circ C\]
D.	\[10{}^\circ C\]
Answer» D. \[10{}^\circ C\]

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Water in an insulated evaporative cooler evaporates at the rate of 0.003 kg/s. Air flow rate is 1 kg/s. What is the air temperature decrease if the specific heat of humid air is 1 kJ/kg. K and latent heat of water is 2500 kJ/kg?

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