| Exam A - Questions 1-25 Safety Test | 18 | 18 | 17 |
| Exam B - Questions 1-20 Written Test | 15 | 13 | 9 |
| Exam B - Questions 21-40 Written Test | 10 | 6 | 11 |
| Exam B - Questions 41-60 Written Test | 8 | 3 | 6 |
| Exam B - Questions 61-80 Written Test | 17 | 13 | 13 |
| Exam B - Questions 81-100 Written Test | 12 | 8 | 7 |
| Exam B Total Written Test | 62 | 43 | 46 |
| Exam C - Questions 1-20 Trouble Shooting | 20 | 26 | 20 |
| Exam C - Questions 21-40 Trouble Shooting | 20 | 16 | 24 |
| Exam C - Questions 41-50 Trouble Shooting | 8 | 14 | 8 |
| Exam C Total Troubleshooting | 48 | 56 | 52 |
| Exam D - Questions 1-20 ID | 22 | 28 | 16 |
| Exam D - Questions 21-40 ID | 22 | 28 | 24 |
| Exam D - Questions 41-50 ID | 8 | 12 | 10 |
| Exam D Total Identification | 52 | 68 | 50 |