| Topics | # of Questions |
|---|---|
| Plumbing Fundamentals & Safety | 8 |
| Materials, Uses & Specifications | 6 |
| Traps, Interceptors & Backwater Valves | 4 |
| Plumbing Fixtures, Fixture Fittings & Plumbing Appliances | 4 |
| Water Supply Systems | 8 |
| Backflow Prevention | 10 |
| Drain, Waste & Vent Systems | 13 |
| Gas Appliances & Piping | 40 |
| Plumbing Mathematics | 7 |
Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).
This file contains approx. 800 sample questions.
REMINDER: PSI uses this book for many exams they offer. Not all sections of this code will apply to your exam.
We also include a table showing the relationship between our questions and OSHA code sections. Corrections to the original PSI publication are noted.
