| Exam A - Questions 1-25 Safety Test | 14 | 17 | 13 |
| Exam B - Questions 1-20 Written Test | 12 | 10 | 10 |
| Exam B - Questions 21-40 Written Test | 12 | 7 | 10 |
| Exam B - Questions 41-60 Written Test | 6 | 8 | 8 |
| Exam B - Questions 61-80 Written Test | 11 | 13 | 15 |
| Exam B - Questions 81-100 Written Test | 8 | 8 | 8 |
| Exam B Total Written Test | 49 | 46 | 51 |
| Exam C - Questions 1-20 Trouble Shooting | 28 | 26 | 22 |
| Exam C - Questions 21-40 Trouble Shooting | 26 | 28 | 24 |
| Exam C - Questions 41-50 Trouble Shooting | 6 | 10 | 8 |
| Exam C Total Troubleshooting | 60 | 64 | 54 |
| Exam D - Questions 1-20 ID | 20 | 24 | 22 |
| Exam D - Questions 21-40 ID | 30 | 18 | 26 |
| Exam D - Questions 41-50 ID | 10 | 12 | 10 |
| Exam D Total Identification | 60 | 54 | 58 |