| Exam A - Questions 1-25 Safety Test | 17 | 17 | 15 |
| Exam B - Questions 1-20 Written Test | 18 | 13 | 5 |
| Exam B - Questions 21-40 Written Test | 11 | 10 | 12 |
| Exam B - Questions 41-60 Written Test | 6 | 5 | 9 |
| Exam B - Questions 61-80 Written Test | 14 | 14 | 15 |
| Exam B - Questions 81-100 Written Test | 11 | 7 | 9 |
| Exam B Total Written Test | 60 | 49 | 50 |
| Exam C - Questions 1-20 Trouble Shooting | 24 | 20 | 24 |
| Exam C - Questions 21-40 Trouble Shooting | 32 | 26 | 24 |
| Exam C - Questions 41-50 Trouble Shooting | 10 | 8 | 10 |
| Exam C Total Troubleshooting | 66 | 54 | 58 |
| Exam D - Questions 1-20 ID | 30 | 20 | 18 |
| Exam D - Questions 21-40 ID | 36 | 24 | 30 |
| Exam D - Questions 41-50 ID | 16 | 14 | 12 |
| Exam D Total Identification | 82 | 58 | 60 |