| Content Areas | % of Questions |
|---|---|
| Theory, Systems Types, Terminology, & General Requirements | 30 |
| Refrigerant & Condensate Piping | 12 |
| Evaporators, Compressors, Condensers, Chillers, Cooling Towers, Heat Pumps, Heating & AC Appliances | 15 |
| Conditioned Air, Supply, Return, Makeup, Combustion Air, Air Ducts, Dampers & Insulation | 7 |
| Electrical Fundamentals & Controls | 9 |
| Refrigerants | 10 |
| Operationing Procedures, including Safety | 9 |
| Maintenance & Repairs | 8 |
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