UNIT 75 FANS AND AIR-HANDLING UNITS
18) If the inside temperature is 70oF and the RH is 50%, how low would the outside
temperature have to be to form condensation on a double pane window?
19) Why is the steam grid humidifier recommended?
20) What horsepower will the motor be required to increase the airflow of a fan to
1000 CFM if an XA horsepower motor is required to move 800 CFM?
21) What are the characteristics that AMCA fan classes are based on?