| Exam A - Questions 1-25 Safety Test | 20 | 18 | 16 |
| Exam B - Questions 1-20 Written Test | 16 | 15 | 11 |
| Exam B - Questions 21-40 Written Test | 15 | 11 | 8 |
| Exam B - Questions 41-60 Written Test | 8 | 6 | 5 |
| Exam B - Questions 61-80 Written Test | 19 | 17 | 9 |
| Exam B - Questions 81-100 Written Test | 18 | 14 | 11 |
| Exam B Total Written Test | 76 | 63 | 44 |
| Exam C - Questions 1-20 Trouble Shooting | 30 | 26 | 18 |
| Exam C - Questions 21-40 Trouble Shooting | 30 | 20 | 22 |
| Exam C - Questions 41-50 Trouble Shooting | 14 | 8 | 6 |
| Exam C Total Troubleshooting | 74 | 54 | 46 |
| Exam D - Questions 1-20 ID | 32 | 24 | 26 |
| Exam D - Questions 21-40 ID | 32 | 30 | 30 |
| Exam D - Questions 41-50 ID | 16 | 18 | 14 |
| Exam D Total Identification | 80 | 72 | 70 |