| Subject Areas | # of Questions |
|---|---|
| General Requirements | 7 |
| Installation | 5 |
| Water Supply & Distribution | 9 |
| Piping Valves & Fittings | 4 |
| Water Treatments | 3 |
| Pressure Tanks | 4 |
| Safety Devices | 4 |
| Safety | 4 |
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