| Exam A - Questions 1-25 Safety Test | 13 | 19 | 15 |
| Exam B - Questions 1-20 Written Test | 13 | 13 | 8 |
| Exam B - Questions 21-40 Written Test | 9 | 11 | 11 |
| Exam B - Questions 41-60 Written Test | 6 | 7 | 5 |
| Exam B - Questions 61-80 Written Test | 11 | 16 | 15 |
| Exam B - Questions 81-100 Written Test | 6 | 9 | 10 |
| Exam B Total Written Test | 45 | 56 | 49 |
| Exam C - Questions 1-20 Trouble Shooting | 30 | 22 | 22 |
| Exam C - Questions 21-40 Trouble Shooting | 24 | 20 | 24 |
| Exam C - Questions 41-50 Trouble Shooting | 14 | 12 | 6 |
| Exam C Total Troubleshooting | 68 | 54 | 52 |
| Exam D - Questions 1-20 ID | 26 | 24 | 24 |
| Exam D - Questions 21-40 ID | 34 | 28 | 24 |
| Exam D - Questions 41-50 ID | 14 | 16 | 14 |
| Exam D Total Identification | 74 | 68 | 62 |