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 |
|---|---|---|
| Electrical Knowledge & Controls | 6 | 20 |
| Refrigerants | 3 | 10 |
| Piping | 3 | 5 |
| Refrigeration Equipment & Components | 8 | 20 |
| Refrigeration Systems Operations | 3 | 20 |
| Safety | 8 | 5 |
In addition to the trade-specific examination, you must pass the Mechanical Business & Law Exam offered by PSI to complete your Oklahoma licensing requirements.
NOTE: You have the option of using reference #2 or #3 in the exam.
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