| Exam A - Questions 1-25 Safety Test | 19 | 19 | 16 |
| Exam B - Questions 1-20 Written Test | 14 | 13 | 11 |
| Exam B - Questions 21-40 Written Test | 14 | 10 | 8 |
| Exam B - Questions 41-60 Written Test | 6 | 5 | 8 |
| Exam B - Questions 61-80 Written Test | 16 | 15 | 13 |
| Exam B - Questions 81-100 Written Test | 10 | 13 | 13 |
| Exam B Total Written Test | 60 | 56 | 53 |
| Exam C - Questions 1-20 Trouble Shooting | 24 | 24 | 26 |
| Exam C - Questions 21-40 Trouble Shooting | 32 | 30 | 28 |
| Exam C - Questions 41-50 Trouble Shooting | 12 | 10 | 12 |
| Exam C Total Troubleshooting | 68 | 64 | 66 |
| Exam D - Questions 1-20 ID | 32 | 28 | 28 |
| Exam D - Questions 21-40 ID | 30 | 26 | 24 |
| Exam D - Questions 41-50 ID | 12 | 16 | 12 |
| Exam D Total Identification | 74 | 70 | 64 |