
| Subject Areas | % of Questions |
|---|---|
| General Knowledge and & Math | 5 |
| General Requirements (not including Gas): Administrative, Structural, Backflow, Materials & Supports, Joints & Connections, Storm Drains, Testing | 4 |
| Water Supply & Distribution | 4 |
| Fixtures, including Water Heaters | 2 |
| Drain, Waste & Vent Systems, including Indirect & Special Waste | 10 |
| Traps, Cleanouts & Interceptors | 2 |
| Isometric Analysis | 7 |
| Gas Appliances & Piping | 4 |
| Safety – OSHA | 2 |