| Exam A - Questions 1-25 Safety Test | 14 | 15 | |
| Exam B - Questions 1-20 Written Test | 12 | 10 | |
| Exam B - Questions 21-40 Written Test | 12 | 14 | |
| Exam B - Questions 41-60 Written Test | 6 | 4 | |
| Exam B - Questions 61-80 Written Test | 17 | 16 | |
| Exam B - Questions 81-100 Written Test | 15 | 10 | |
| Exam B Total Written Test | 62 | 54 | |
| Exam C - Questions 1-20 Trouble Shooting | 20 | 24 | |
| Exam C - Questions 21-40 Trouble Shooting | 28 | 30 | |
| Exam C - Questions 41-50 Trouble Shooting | 8 | 14 | |
| Exam C Total Troubleshooting | 56 | 68 | |
| Exam D - Questions 1-20 ID | 24 | 20 | |
| Exam D - Questions 21-40 ID | 24 | 34 | |
| Exam D - Questions 41-50 ID | 16 | 12 | |
| Exam D Total Identification | 64 | 66 | |