The exam content shown below only lists main category headings. Please consult the PSI exam bulletin for Oklahoma trades from the button below for more detailed information about subject sub-topics.
| Topics | Sub-topics | # of Questions |
|---|---|---|
| General Fuel Gas Piping - Knowledge, Definition & Regulations | 2 | 10 |
| Pipe Sizing | — | 12 |
| Pipe Installation | 11 | 15 |
| Safety | 12 | 3 |
In addition to the trade-specific examination, you must pass the Mechanical Business & Law Exam offered by PSI to complete your Oklahoma licensing requirements.
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