% OF EXAM |
TOPIC |
6% |
Definitions |
10% |
General Regulations |
6% |
Ventilation |
13% |
Exhaust Systems |
6% |
Duct Systems |
8% |
Combustion Air |
4% |
Combustion Air Sizing |
8% |
Chimneys and Vents |
6% |
Vent Sizing |
8% |
Installation of Specific Appliances |
6% |
Boilers |
6% |
Refrigeration |
5% |
Hydronics |
6% |
Fuel Gas |
2% |
Referenced Standards |