|Plumbing Fundamentals & Safety||8|
|Materials, Uses & Specifications||6|
|Traps, Interceptors & Backwater Valves||4|
|Plumbing Fixtures, Fixture Fittings & Plumbing Appliances||4|
|Water Supply Systems||8|
|Drain, Waste & Vent Systems||13|
|Gas Appliances & Piping||40|
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.