| Exam A - Questions 1-25 Safety Test | 18 | 18 | 18 |
| Exam B - Questions 1-20 Written Test | 9 | 7 | 11 |
| Exam B - Questions 21-40 Written Test | 12 | 13 | 10 |
| Exam B - Questions 41-60 Written Test | 8 | 9 | 6 |
| Exam B - Questions 61-80 Written Test | 12 | 13 | 5 |
| Exam B - Questions 81-100 Written Test | 11 | 11 | 9 |
| Exam B Total Written Test | 52 | 53 | 41 |
| Exam C - Questions 1-20 Trouble Shooting | 18 | 16 | 24 |
| Exam C - Questions 21-40 Trouble Shooting | 26 | 28 | 22 |
| Exam C - Questions 41-50 Trouble Shooting | 12 | 16 | 8 |
| Exam C Total Troubleshooting | 56 | 60 | 54 |
| Exam D - Questions 1-20 ID | 24 | 18 | 26 |
| Exam D - Questions 21-40 ID | 32 | 28 | 26 |
| Exam D - Questions 41-50 ID | 14 | 12 | 12 |
| Exam D Total Identification | 70 | 58 | 64 |