OSHA 510 Exam Practice Questions 2026 | Questions 1–150 with Answers & Detailed Rationales

OSHA 510 Exam Practice Questions (1-150) &
Answers 2026




1. What does OSHA stand for?

• A) Occupational Safety and Health Administration
• B) Occupational Standards and Hazard Association
• C) Office of Safety and Health Administration
• D) Organization for Safety and Health Awareness
• Correct Answer: A

2. OSHA's "Focus Four" injuries are:

• A) Falls, Struck-by, Caught-in/between, Electrical
• B) Falls, Fire, Electrocution, Explosions
• C) Struck-by, Caught-in, Burns, Cuts
• D) Electrical, Fire, Falls, Toxic Exposure
• Correct Answer: A

3. OSHA's mission is to:

• A) Maximize employer profits
• B) Save lives and prevent injuries

,• C) Reduce government spending
• D) Increase worker productivity
• Correct Answer: B

4. OSHA's primary method of enforcing safety regulations is through:

• A) Fines and penalties
• B) Worksite inspections
• C) Worker complaints
• D) Mandatory training
• Correct Answer: B

5. OSHA was signed into law by President ______ in December of ______.

• A) Carter; 1975
• B) Nixon; 1970
• C) Reagan; 1980
• D) Johnson; 1965
• Correct Answer: B

6. In the correct order, what is OSHA's inspection priority?

• A) Worker complaints, Imminent danger, Fatality, Targeted inspections, Follow-up
• B) Fatality, Imminent danger, Worker complaints, Follow-up, Targeted
• C) Imminent danger, Fatality/hospitalization, Worker complaints/referrals, Targeted
inspections, Follow-up
• D) Targeted inspections, Imminent danger, Worker complaints, Fatality, Follow-up
• Correct Answer: C

7. What is the maximum penalty for a Willful violation?

,• A) Up to $13,494
• B) Up to $134,937
• C) Up to $70,000
• D) Up to $7,000
• Correct Answer: B

8. What is the maximum penalty for a Serious violation?

• A) Up to $13,494
• B) Up to $134,937
• C) Up to $7,000
• D) Up to $70,000
• Correct Answer: A

9. PPE stands for:

• A) Personal Protective Equipment
• B) Professional Prevention Equipment
• C) Primary Protective Ensemble
• D) Personal Prevention Essentials
• Correct Answer: A

10. The effects of workplace injuries and illnesses include:

• A) Lower morale, increased costs, slower production, higher turnover
• B) Higher morale, decreased costs, faster production
• C) Only increased costs
• D) Only slower production
• Correct Answer: A

, 11. True or False: Leading by example is a way to demonstrate management
leadership and commitment to Safety and Health.

• A) True
• B) False
• Correct Answer: A (True)

12. In accordance with 1926.20(b), having a safety and health program and job site
inspections by a competent person are two main components of an employer's
responsibilities. These are known as:

• A) Training Requirements
• B) Accident Prevention Responsibilities
• C) Recordkeeping Duties
• D) PPE Requirements
• Correct Answer: B

13. How far can a Class (A) fire extinguisher be from employees?

• A) 50 feet
• B) 75 feet
• C) 100 feet
• D) 150 feet
• Correct Answer: C (100 feet)

14. True or False: Accident prevention signs such as danger, caution, and exit signs
shall be visible while working.

• A) True
• B) False