Safety (OHS) Exam Prep document, featuring targeted practice questions and detailed
rationales. Designed for safety professionals, managers, and students, this study guide helps
you master core compliance standards, hazard identification, and risk management principles
while understanding the why behind every correct answer.
What’s Included
• Exam-Style Questions: Multiple-choice and situational questions mirroring real OHS
certification exams.
• Detailed Rationales: Deep-dive explanations for every answer to clarify complex
safety regulations and methodologies.
• Core Topics Covered: Hazard communication, PPE standards, ergonomics, incident
investigation, and workplace safety laws.
Who Is This For?
• Safety Professionals preparing for CSP, ASP, or regional OHS board exams.
• HR & Operations Managers looking to sharpen their workplace safety compliance
knowledge.
• Students pursuing degrees or certifications in occupational health and safety.
1. Section 1 of the OHSA is known as:
Answer✅: The definition section.
• Rationale: Section 1(1) of the OHSA provides the legal definitions for key terms
used throughout the Act—such as "employer," "worker," "competent person," and
"workplace"—ensuring consistent interpretation and enforcement across all Ontario
workplaces.
2. A Joint Health and Safety Committee (JHSC) is generally required
when a workplace has at least how many workers?
1
, Answer✅: 20 workers.
• Rationale: Under Section 9(2) of the OHSA, a regular workplace that employs 20 or
more workers is legally mandated to establish and maintain a Joint Health and Safety
Committee (JHSC) to oversee workplace safety.
3. Sections 8 and 9 of the OHSA are known as the:
Answer✅: Internal responsibility sections (or worker representation sections).
• Rationale: Section 8 governs Health and Safety Representatives (for smaller
workplaces), and Section 9 governs Joint Health and Safety Committees. Together,
they form the statutory backbone of the Internal Responsibility System (IRS) by
ensuring workers have a formal voice in health and safety.
4. What is a primary task of a health and safety representative?
Answer✅: To conduct monthly inspections of the workplace.
• Rationale: Under Section 8(6) of the Act, a health and safety representative is
required to inspect the physical condition of the workplace at least once a month to
identify hazards and look out for worker safety.
5. How many members must be in a JHSC?
Answer✅: At least 2 if the workplace has fewer than 50 employees; at least 4 if the
workplace has 50 or more employees. At least half of the members must be workers.
• Rationale: Section 9(6) of the OHSA outlines committee composition. Workplaces
with 20 to 49 workers require at least two members, while workplaces with 50 or
more workers require at least four. Section 9(7) mandates that at least half of the
committee must be workers who do not exercise managerial functions.
6. What documentation does not have to be permanently displayed on
the main workplace safety board?
Answer✅: Inspection logs.
• Rationale: While the OHSA mandates the posting of the Act itself, the corporate
health and safety policy, and JHSC member names, daily or monthly health and safety
2