| Subject Areas | # of Questions |
|---|---|
| General Piping | 1 |
| General Tubing | 1 |
| Pipe Assembly | 1 |
| Piping Systems | 4 |
| Drain Piping | 1 |
| Valves | 1 |
| Piping Specialties | 1 |
| Pumps | 2 |
| Piping Insulation | 1 |
| Hangers and Supports (General) | 1 |
| Mechanical Sound, Vibration, and Seismic Control | 1 |
| Water Treatment for Mechanical Systems | 1 |
| Heating and Cooling Principles | 2 |
| Refrigerants | 1 |
| Load Calculations | 7 |
| Heating and Cooling Equipment | 1 |
| Air Compressors | 1 |
| Testing, Adjusting, and Balancing (TAB) | 2 |
| HVACR Control Fundamentals | 1 |
| Control Schematics and Wiring Diagrams | 1 |
| HVACR Control Systems | 1 |
| Machine Room | 1 |
| Air Conditioning Systems | 3 |
| Heat Pumps | 4 |
| Furnaces (Warm Air Heating Equipment) | 2 |
| Specialized Heaters | 2 |
| Chimneys, Flues, Vents, and Vent Connectors | 3 |
| Combustion Air | 2 |
| General Fuel Knowledge | 1 |
| Natural Gas | 2 |
| LP Gas | 2 |
| General Duct Systems Knowledge and Principles | 4 |
| Duct Conversions / Equivalencies | 4 |
| Mechanical Sheet Metal Devices / Systems | 2 |
| Duct System Components | 5 |
| Metal Ducts | 3 |
| Fiberglass Ducts | 1 |
| Filtering Systems | 1 |
| Ventilation Equipment and Devices | 1 |
| Exhaust Systems | 2 |
| Safety | 2 |
In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course
Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (hightlighted in green above).
This file contains approx. 800 sample questions.
