You have 2 hours to answer 75 multiple-choice questions focusing on technical information typically covered in a technician training program. The exam is closed book. No reference material of any kind may be brought in to the exam room. Self-powered or battery operated, non-programmable calculators are allowed.
| CST Associate Specifications by Domain | % of Test | Number of Items on Test |
| I. Calibration | 31% | 23 |
| II. Loop Checking | 21% | 16 |
| III. Troubleshooting | 32% | 24 |
| IV. Start-Up | 16% | 12 |
| Total | 100% | 75 |