| Exam A - Questions 1-25 Safety Test | 15 | 13 | 14 |
| Exam B - Questions 1-20 Written Test | 14 | 9 | 8 |
| Exam B - Questions 21-40 Written Test | 13 | 13 | 6 |
| Exam B - Questions 41-60 Written Test | 5 | 9 | 7 |
| Exam B - Questions 61-80 Written Test | 16 | 14 | 9 |
| Exam B - Questions 81-100 Written Test | 12 | 11 | 9 |
| Exam B Total Written Test | 60 | 56 | 39 |
| Exam C - Questions 1-20 Trouble Shooting | 28 | 22 | 24 |
| Exam C - Questions 21-40 Trouble Shooting | 26 | 28 | 28 |
| Exam C - Questions 41-50 Trouble Shooting | 10 | 10 | 14 |
| Exam C Total Troubleshooting | 64 | 60 | 66 |
| Exam D - Questions 1-20 ID | 34 | 22 | 24 |
| Exam D - Questions 21-40 ID | 30 | 16 | 18 |
| Exam D - Questions 41-50 ID | 16 | 8 | 12 |
| Exam D Total Identification | 80 | 46 | 54 |