Georgia Contractors License Exams

Georgia Conditioned Air Contractor

Sample Questions for the Georgia Conditioned Air Contractors Exam

  1. In a heating and/or cooling system, what is the accessory used to supply and control the introduction of outside air and to exhaust stale air?
    1. The humidistat
    2. The HEPA filter
    3. The energy recovery ventilator (ERV)
    4. The indoor air quality equalizer
  2. In a heating/cooling system, where should the filter be placed?
    1. Ahead of heating and cooling coils and other mechanical equipment
    2. Between the heating and cooling coils
    3. In the HVAC room next to the furnace
    4. On the side of the return air plenum
  3. What is a sling psychrometer used for?
    1. Measuring dew point
    2. Determining relative humidity through the relation of wet bulb temperature to dry bulb temperature
    3. Checking the performance of air conditioning equipment
    4. To balance a heating/cooling split system
  4. What is the composition of air?
    1. 21% oxygen, 78% nitrogen, and 1% carbon dioxide, argon, and trace amounts of other rare gases, vapor, and particulates
    2. 50% oxygen, 30% nitrogen, and 10% carbon monoxide, and 10% other rare gases & particulates
    3. 30% oxygen, 20% nitrogen, and the remaining 50% is composed of carbon dioxide and other gases, vapors, and particulates
    4. 21% oxygen, 78% nitrogen, and 1% carbon dioxide
  5. When installing insulation in the interior of a duct, which of the following characteristics of insulation would be MOST effective in reducing sound transmission?
    1. density
    2. porosity
    3. elasticity
    4. ductility
Answers: Click Here to show the answers.