| Exam A - Questions 1-25 Safety Test | 20 | 21 | 15 |
| Exam B - Questions 1-20 Written Test | 13 | 10 | 12 |
| Exam B - Questions 21-40 Written Test | 12 | 9 | 9 |
| Exam B - Questions 41-60 Written Test | 9 | 5 | 4 |
| Exam B - Questions 61-80 Written Test | 15 | 17 | 13 |
| Exam B - Questions 81-100 Written Test | 13 | 6 | 8 |
| Exam B Total Written Test | 62 | 47 | 46 |
| Exam C - Questions 1-20 Trouble Shooting | 34 | 26 | 30 |
| Exam C - Questions 21-40 Trouble Shooting | 30 | 28 | 22 |
| Exam C - Questions 41-50 Trouble Shooting | 14 | 8 | 4 |
| Exam C Total Troubleshooting | 78 | 62 | 56 |
| Exam D - Questions 1-20 ID | 28 | 24 | 22 |
| Exam D - Questions 21-40 ID | 30 | 28 | 22 |
| Exam D - Questions 41-50 ID | 14 | 10 | 14 |
| Exam D Total Identification | 72 | 62 | 58 |