| Exam A - Questions 1-25 Safety Test | 18 | 19 | |
| Exam B - Questions 1-20 Written Test | 9 | 14 | 7 |
| Exam B - Questions 21-40 Written Test | 13 | 12 | 6 |
| Exam B - Questions 41-60 Written Test | 6 | 6 | 7 |
| Exam B - Questions 61-80 Written Test | 15 | 16 | 9 |
| Exam B - Questions 81-100 Written Test | 9 | 10 | 4 |
| Exam B Total Written Test | 52 | 58 | 33 |
| Exam C - Questions 1-20 Trouble Shooting | 22 | 28 | 30 |
| Exam C - Questions 21-40 Trouble Shooting | 30 | 26 | 28 |
| Exam C - Questions 41-50 Trouble Shooting | 10 | 10 | 10 |
| Exam C Total Troubleshooting | 62 | 64 | 68 |
| Exam D - Questions 1-20 ID | 28 | 18 | 24 |
| Exam D - Questions 21-40 ID | 30 | 24 | 24 |
| Exam D - Questions 41-50 ID | 12 | 12 | 12 |
| Exam D Total Identification | 70 | 54 | 60 |