OSHA 510 Exam
Questions and Answers
1. What is the purpose of the OSHA 1926 standards?
A. To regulate environmental emissions
B. To enforce equal employment opportunity
C. To protect the health and safety of workers in the construction industry
D. To manage wage and hour laws
✅ Answer: C. To protect the health and safety of workers in the construction
industry
Explanation: OSHA 1926 is the standard specifically for construction and outlines
safety and health regulations.
2. Under OSHA standards, when is a written Hazard Communication Program
required?
A. When chemicals are shipped
B. Only in large-scale construction sites
C. When hazardous chemicals are present in the workplace
D. Only for government contracts
✅ Answer: C. When hazardous chemicals are present in the workplace
Explanation: Employers must develop, implement, and maintain a written hazard
communication program whenever hazardous chemicals are used.
,3. According to OSHA, what is the minimum height at which fall protection is
required in the construction industry?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
✅ Answer: C. 6 feet
Explanation: Fall protection is required at 6 feet in construction per 29 CFR 1926.501.
4. Who is responsible for providing Personal Protective Equipment (PPE) to
employees?
A. The employee
B. The project manager
C. OSHA
D. The employer
✅ Answer: D. The employer
Explanation: Employers are responsible for providing required PPE at no cost to
employees.
5. What is the OSHA definition of a competent person?
A. A person with a college degree in safety
B. A worker with more than 5 years of experience
C. Someone who is capable of identifying hazards and has the authority to correct
them
D. A foreman or supervisor
✅ Answer: C. Someone who is capable of identifying hazards and has the authority
to correct them
Explanation: OSHA defines a competent person as one who is both knowledgeable
and empowered to take action.
,6. How long does an employer have to report a fatality to OSHA?
A. 24 hours
B. 8 hours
C. 12 hours
D. 72 hours
✅ Answer: B. 8 hours
Explanation: Fatalities must be reported to OSHA within 8 hours of the incident.
7. In which OSHA standard would you find requirements for scaffolding safety?
A. 29 CFR 1910
B. 29 CFR 1926 Subpart L
C. 29 CFR 1926 Subpart M
D. 29 CFR 1926 Subpart E
✅ Answer: B. 29 CFR 1926 Subpart L
Explanation: Subpart L of 1926 covers scaffolds.
8. When must a Safety Data Sheet (SDS) be made available to workers?
A. Only when requested
B. Only during training sessions
C. During normal work hours and upon request
D. Always, and must be readily accessible
✅ Answer: D. Always, and must be readily accessible
Explanation: SDSs must be available and accessible to employees at all times during
their shift.
9. Which of the following is not a component of the OSHA inspection process?
A. Opening conference
B. Review of the employer’s financial records
, C. Walkaround
D. Closing conference
✅ Answer: B. Review of the employer’s financial records
Explanation: OSHA inspections focus on safety and health issues, not financial
documents.
10. What is the maximum allowable slope for a trench less than 20 feet deep in Type
B soil?
A. 1/2:1
B. 3/4:1
C. 1:1
D. 1-1/2:1
✅ Answer: C. 1:1
Explanation: For Type B soil, the maximum allowable slope is 45 degrees (1:1).
11. Which OSHA form must be completed to record a work-related injury or illness?
A. OSHA 100
B. OSHA 300
C. OSHA 200
D. OSHA 301
✅ Answer: B. OSHA 300
Explanation: The OSHA 300 Log is used to record work-related injuries and illnesses.
12. What does “PEL” stand for in OSHA standards?
A. Personal Exposure Level
B. Permissible Exposure Limit
C. Primary Environmental Limit
D. Personal Environmental Load
Questions and Answers
1. What is the purpose of the OSHA 1926 standards?
A. To regulate environmental emissions
B. To enforce equal employment opportunity
C. To protect the health and safety of workers in the construction industry
D. To manage wage and hour laws
✅ Answer: C. To protect the health and safety of workers in the construction
industry
Explanation: OSHA 1926 is the standard specifically for construction and outlines
safety and health regulations.
2. Under OSHA standards, when is a written Hazard Communication Program
required?
A. When chemicals are shipped
B. Only in large-scale construction sites
C. When hazardous chemicals are present in the workplace
D. Only for government contracts
✅ Answer: C. When hazardous chemicals are present in the workplace
Explanation: Employers must develop, implement, and maintain a written hazard
communication program whenever hazardous chemicals are used.
,3. According to OSHA, what is the minimum height at which fall protection is
required in the construction industry?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
✅ Answer: C. 6 feet
Explanation: Fall protection is required at 6 feet in construction per 29 CFR 1926.501.
4. Who is responsible for providing Personal Protective Equipment (PPE) to
employees?
A. The employee
B. The project manager
C. OSHA
D. The employer
✅ Answer: D. The employer
Explanation: Employers are responsible for providing required PPE at no cost to
employees.
5. What is the OSHA definition of a competent person?
A. A person with a college degree in safety
B. A worker with more than 5 years of experience
C. Someone who is capable of identifying hazards and has the authority to correct
them
D. A foreman or supervisor
✅ Answer: C. Someone who is capable of identifying hazards and has the authority
to correct them
Explanation: OSHA defines a competent person as one who is both knowledgeable
and empowered to take action.
,6. How long does an employer have to report a fatality to OSHA?
A. 24 hours
B. 8 hours
C. 12 hours
D. 72 hours
✅ Answer: B. 8 hours
Explanation: Fatalities must be reported to OSHA within 8 hours of the incident.
7. In which OSHA standard would you find requirements for scaffolding safety?
A. 29 CFR 1910
B. 29 CFR 1926 Subpart L
C. 29 CFR 1926 Subpart M
D. 29 CFR 1926 Subpart E
✅ Answer: B. 29 CFR 1926 Subpart L
Explanation: Subpart L of 1926 covers scaffolds.
8. When must a Safety Data Sheet (SDS) be made available to workers?
A. Only when requested
B. Only during training sessions
C. During normal work hours and upon request
D. Always, and must be readily accessible
✅ Answer: D. Always, and must be readily accessible
Explanation: SDSs must be available and accessible to employees at all times during
their shift.
9. Which of the following is not a component of the OSHA inspection process?
A. Opening conference
B. Review of the employer’s financial records
, C. Walkaround
D. Closing conference
✅ Answer: B. Review of the employer’s financial records
Explanation: OSHA inspections focus on safety and health issues, not financial
documents.
10. What is the maximum allowable slope for a trench less than 20 feet deep in Type
B soil?
A. 1/2:1
B. 3/4:1
C. 1:1
D. 1-1/2:1
✅ Answer: C. 1:1
Explanation: For Type B soil, the maximum allowable slope is 45 degrees (1:1).
11. Which OSHA form must be completed to record a work-related injury or illness?
A. OSHA 100
B. OSHA 300
C. OSHA 200
D. OSHA 301
✅ Answer: B. OSHA 300
Explanation: The OSHA 300 Log is used to record work-related injuries and illnesses.
12. What does “PEL” stand for in OSHA standards?
A. Personal Exposure Level
B. Permissible Exposure Limit
C. Primary Environmental Limit
D. Personal Environmental Load
