| Subject Areas | # of Questions |
|---|---|
| General Knowledge | 16 |
| General Regulations | 18 |
| Water Supply Systems including Backflow Prevention & Water Heaters | 18 |
| Drainage, Waste & Sanitary Venting | 20 |
| Plumbing Fixtures | 8 |
| Traps & Intercepts | 6 |
| Specialty Venting | 4 |
| Indirect Waste | 6 |
| Roof Drainage | 4 |
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