| Exam A - Questions 1-25 Safety Test | 19 | 17 | 17 |
| Exam B - Questions 1-20 Written Test | 16 | 15 | 13 |
| Exam B - Questions 21-40 Written Test | 17 | 13 | 14 |
| Exam B - Questions 41-60 Written Test | 7 | 6 | 7 |
| Exam B - Questions 61-80 Written Test | 19 | 19 | 18 |
| Exam B - Questions 81-100 Written Test | 15 | 11 | 12 |
| Exam B Total Written Test | 74 | 64 | 64 |
| Exam C - Questions 1-20 Trouble Shooting | 26 | 24 | 22 |
| Exam C - Questions 21-40 Trouble Shooting | 30 | 20 | 32 |
| Exam C - Questions 41-50 Trouble Shooting | 10 | 8 | 16 |
| Exam C Total Troubleshooting | 66 | 52 | 70 |
| Exam D - Questions 1-20 ID | 30 | 30 | 24 |
| Exam D - Questions 21-40 ID | 26 | 24 | 24 |
| Exam D - Questions 41-50 ID | 14 | 12 | 12 |
| Exam D Total Identification | 70 | 66 | 60 |