hvac ac quiz

1. Air velocity in the ducts must be kept reasonably ________ to minimize the frictional losses?

2. As the head increases, the fan will need ______ horsepower to deliver the required quantity of air against the system head or pressure?

3. Water vapor in the air creates its own vapor pressure

4. Refrigerated air–conditioning will?

5. What temperature is registered with a regular thermometer?

6. The relative humidity of the air _____ as the temperature increases?

7. The actual amount of water vapor that is contained in an air sample is expressed in?

8. An evaporator absorbs heat into the refrigeration system?

9. Comfort conditions are attained by merely controlling the temperature?

10. For the Best Commercial HVAC service in New England call Mechanical Management?