Air washers used in air conditioning systems achieve simultaneous cooling and humidification by:
a. Heating the spray water to a temperature above the dry bulb temperature of the entering air
b. Cooling the spray water to a temperature below the dew point temperature of the entering air
c. Using spray water that is above the dewpoint of the entering air, but cooler than the dry bulb temperature
d. Heating the entering air above its dry bulb temperature
e. Cooling the spray water to below the dry bulb temperature of the incoming air, but above its wet-bulb temperature
Answer: C