| Exam A - Questions 1-25 Safety Test | 21 | 19 | 20 |
| Exam B - Questions 1-20 Written Test | 17 | 18 | 17 |
| Exam B - Questions 21-40 Written Test | 14 | 17 | 12 |
| Exam B - Questions 41-60 Written Test | 7 | 4 | 8 |
| Exam B - Questions 61-80 Written Test | 16 | 18 | 15 |
| Exam B - Questions 81-100 Written Test | 12 | 13 | 11 |
| Exam B Total Written Test | 66 | 70 | 63 |
| Exam C - Questions 1-20 Trouble Shooting | 30 | 28 | 24 |
| Exam C - Questions 21-40 Trouble Shooting | 38 | 34 | 34 |
| Exam C - Questions 41-50 Trouble Shooting | 16 | 10 | 8 |
| Exam C Total Troubleshooting | 84 | 72 | 66 |
| Exam D - Questions 1-20 ID | 28 | 24 | 28 |
| Exam D - Questions 21-40 ID | 32 | 28 | 26 |
| Exam D - Questions 41-50 ID | 14 | 16 | 14 |
| Exam D Total Identification | 74 | 68 | 68 |