| Exam A - Questions 1-25 Safety Test | 17 | 17 | 13 |
| Exam B - Questions 1-20 Written Test | 11 | 13 | 11 |
| Exam B - Questions 21-40 Written Test | 9 | 8 | 9 |
| Exam B - Questions 41-60 Written Test | 5 | 6 | 5 |
| Exam B - Questions 61-80 Written Test | 13 | 11 | 17 |
| Exam B - Questions 81-100 Written Test | 9 | 7 | 6 |
| Exam B Total Written Test | 47 | 45 | 48 |
| Exam C - Questions 1-20 Trouble Shooting | 30 | 30 | 30 |
| Exam C - Questions 21-40 Trouble Shooting | 26 | 30 | 14 |
| Exam C - Questions 41-50 Trouble Shooting | 10 | 8 | 14 |
| Exam C Total Troubleshooting | 66 | 68 | 58 |
| Exam D - Questions 1-20 ID | 22 | 22 | 26 |
| Exam D - Questions 21-40 ID | 22 | 26 | 28 |
| Exam D - Questions 41-50 ID | 10 | 10 | 14 |
| Exam D Total Identification | 54 | 58 | 68 |