| Exam A - Questions 1-25 Safety Test | 17 | 17 | 16 |
| Exam B - Questions 1-20 Written Test | 12 | 15 | 11 |
| Exam B - Questions 21-40 Written Test | 13 | 11 | 9 |
| Exam B - Questions 41-60 Written Test | 7 | 7 | 9 |
| Exam B - Questions 61-80 Written Test | 17 | 14 | 9 |
| Exam B - Questions 81-100 Written Test | 11 | 11 | 9 |
| Exam B Total Written Test | 60 | 58 | 47 |
| Exam C - Questions 1-20 Trouble Shooting | 32 | 28 | 24 |
| Exam C - Questions 21-40 Trouble Shooting | 26 | 30 | 26 |
| Exam C - Questions 41-50 Trouble Shooting | 12 | 12 | 12 |
| Exam C Total Troubleshooting | 70 | 70 | 62 |
| Exam D - Questions 1-20 ID | 28 | 22 | 22 |
| Exam D - Questions 21-40 ID | 30 | 26 | 18 |
| Exam D - Questions 41-50 ID | 12 | 18 | 14 |
| Exam D Total Identification | 70 | 66 | 54 |