OSHA 30-Hour Construction Latest Exam with 200 Questions and Verified Answers 2026

OSHA 30-Hour Construction Latest
Exam with 200 Questions and Verified
Answers 2026

, 1. What is the main difference between OSHA 10-Hour and OSHA 30-Hour
training?
 A. OSHA 30 is only for office workers
 B. OSHA 30 provides more in-depth safety training for supervisors and workers
with greater responsibility
 C. OSHA 30 has fewer topics
 D. There is no difference
Answer: B. OSHA 30 provides more in-depth safety training for supervisors and
workers with greater responsibility
2. Which OSHA standard covers fall protection in construction?
 A. 1926 Subpart M
 B. 1910 Subpart D
 C. 1926 Subpart P
 D. 1910 Subpart I
Answer: A. 1926 Subpart M
3. At what height is fall protection generally required in construction?
 A. 4 feet
 B. 5 feet
 C. 6 feet
 D. 8 feet
Answer: C. 6 feet
4. What is the “Fatal Four” in construction?
 A. Falls, struck-by, electrocutions, and caught-in/between hazards
 B. Fires, floods, theft, and equipment damage
 C. Noise, dust, weather, and traffic
 D. Ladders, scaffolds, cranes, and forklifts
Answer: A. Falls, struck-by, electrocutions, and caught-in/between hazards
5. Which OSHA standard covers excavation safety?
 A. Subpart M
 B. Subpart P
 C. Subpart L
 D. Subpart K
Answer: B. Subpart P
6. Who is responsible for providing PPE to employees?
 A. The employee
 B. The employer

,  C. The government
 D. The union
Answer: B. The employer
7. What is the minimum distance equipment must stay from overhead power lines
up to 50 kV?
 A. 5 feet
 B. 8 feet
 C. 10 feet
 D. 15 feet
Answer: C. 10 feet
8. What is the purpose of a Job Hazard Analysis?
 A. To schedule employees
 B. To identify hazards before work begins
 C. To track attendance
 D. To increase production
Answer: B. To identify hazards before work begins
9. What is the maximum allowable ladder height before requiring a landing
platform?
 A. 20 feet
 B. 24 feet
 C. 30 feet
 D. 40 feet
Answer: C. 30 feet
10. What should a competent person do on a construction site?
 A. Only operate equipment
 B. Identify hazards and have authority to correct them
 C. Watch other workers only
 D. Complete payroll
Answer: B. Identify hazards and have authority to correct them
11. Which type of soil is considered the most stable in trenching?
 A. Type A
 B. Type B
 C. Type C
 D. Mixed soil
Answer: A. Type A

, 12. What is the maximum depth a trench can be before protective systems are
required?
 A. 3 feet
 B. 4 feet
 C. 5 feet
 D. 6 feet
Answer: C. 5 feet
13. What is the minimum width of a scaffold platform?
 A. 12 inches
 B. 18 inches
 C. 24 inches
 D. 30 inches
Answer: B. 18 inches
14. Which OSHA standard covers scaffolding?
 A. Subpart L
 B. Subpart X
 C. Subpart M
 D. Subpart K
Answer: A. Subpart L
15. What is the purpose of lockout/tagout procedures?
 A. To mark equipment ownership
 B. To prevent accidental startup of machinery during maintenance
 C. To schedule repairs
 D. To improve equipment speed
Answer: B. To prevent accidental startup of machinery during maintenance
16. What should be included in a hazard communication program?
 A. SDS sheets, labels, and employee training
 B. Only warning signs
 C. Payroll information
 D. Employee schedules
Answer: A. SDS sheets, labels, and employee training
17. What does GFCI stand for?
 A. Ground Fault Circuit Interrupter
 B. General Fault Circuit Indicator
 C. Ground Fire Control Inspection