Ontario JHSC Certification Part One Practice: mock exam 2026
A new random set every time. The official number of questions isn’t published, so this practice exam uses 25 questions. You see your answers at the end.
- 25 questions
- Pass mark: Part One ends with a standardized evaluation in a form acceptable to the ministry, with a 75% pass mark and at least one hour allotted. Your CPO-approved provider runs and marks it.
- No time limit
How this mock exam works
Each attempt draws 25 questions at random from all 75 questions for this test, so no two attempts are the same.
At the end you see your score, every answer and its explanation. Your best score is saved in this browser, so you can try again until you pass comfortably.
What this mock exam covers
Each attempt draws a new random set from 75 questions, the same questions as the 3 practice tests. These are the topics with the most questions:
- certification18 questions
- committee14 questions
- law10 questions
- work stoppage7 questions
- inspections5 questions
- hazards5 questions
- violence harassment4 questions
- assessment4 questions
- investigations4 questions
- controls3 questions