| Exam A - Questions 1-25 Safety Test | 18 | 18 | 16 |
| Exam B - Questions 1-20 Written Test | 10 | 12 | 7 |
| Exam B - Questions 21-40 Written Test | 9 | 9 | 5 |
| Exam B - Questions 41-60 Written Test | 6 | 5 | 6 |
| Exam B - Questions 61-80 Written Test | 15 | 15 | 14 |
| Exam B - Questions 81-100 Written Test | 14 | 6 | 8 |
| Exam B Total Written Test | 54 | 47 | 40 |
| Exam C - Questions 1-20 Trouble Shooting | 30 | 18 | 14 |
| Exam C - Questions 21-40 Trouble Shooting | 24 | 28 | 30 |
| Exam C - Questions 41-50 Trouble Shooting | 6 | 10 | 10 |
| Exam C Total Troubleshooting | 60 | 56 | 54 |
| Exam D - Questions 1-20 ID | 28 | 20 | 18 |
| Exam D - Questions 21-40 ID | 28 | 28 | 20 |
| Exam D - Questions 41-50 ID | 12 | 16 | 8 |
| Exam D Total Identification | 68 | 64 | 46 |