| Exam A - Questions 1-25 Safety Test | 17 | 17 | 13 |
| Exam B - Questions 1-20 Written Test | 16 | 15 | 14 |
| Exam B - Questions 21-40 Written Test | 10 | 5 | 14 |
| Exam B - Questions 41-60 Written Test | 5 | 5 | 5 |
| Exam B - Questions 61-80 Written Test | 17 | 17 | 12 |
| Exam B - Questions 81-100 Written Test | 14 | 9 | 10 |
| Exam B Total Written Test | 62 | 51 | 55 |
| Exam C - Questions 1-20 Trouble Shooting | 24 | 24 | 26 |
| Exam C - Questions 21-40 Trouble Shooting | 24 | 26 | 24 |
| Exam C - Questions 41-50 Trouble Shooting | 12 | 8 | 12 |
| Exam C Total Troubleshooting | 60 | 58 | 62 |
| Exam D - Questions 1-20 ID | 26 | 20 | 20 |
| Exam D - Questions 21-40 ID | 24 | 28 | 26 |
| Exam D - Questions 41-50 ID | 14 | 14 | 14 |
| Exam D Total Identification | 64 | 62 | 60 |