OSHA 30 EXAM STUDY GUIDE
2026 VERIFIED CORRECT
ANSWERS
Module 1: Introduction to OSHA
1. What does OSHA stand for?
a) Occupational Safety and Health Administration ✓
b) Occupational Standards and Health Association
c) Organizational Safety and Health Agency
2. The OSH Act was signed into law in what year?
a) 1965
b) 1970 ✓
c) 1975
3. What is OSHA's primary mission?
a) Increase productivity
b) Ensure workplace safety and health ✓
c) Reduce workers' compensation costs
4. Who is covered by the OSH Act?
a) Only federal employees
b) Most private sector employees ✓
c) Only manufacturing employees
5. OSHA standards are also known as:
a) Recommendations
b) Regulations ✓
c) Guidelines
Module 2: Walking-Working Surfaces
6. What is the minimum height at which fall protection is required in general industry?
a) 4 feet
,b) 6 feet
c) 30 inches ✓
7. Fixed ladders over 24 feet must have:
a) Safety gates
b) Fall protection or ladder safety systems ✓
c) Warning signs only
8. Stairways with four or more risers must have:
a) Handrails ✓
b) Safety nets
c) Toe boards
9. The maximum vertical gap between scaffold platforms is:
a) 1 inch
b) 1 foot ✓
c) 2 feet
10. Guardrails must withstand how much force?
a) 100 pounds
b) 200 pounds ✓
c) 300 pounds
Module 3: Exit Routes, Emergency Action Plans, Fire Prevention
11. How many exit routes must a workplace generally have?
a) At least 2 ✓
b) At least 1
c) At least 3
12. Exit doors must be:
a) Locked from outside only
b) Unlocked from inside ✓
c) Both locked and unlocked
13. Class A fires involve:
a) Electrical equipment
b) Ordinary combustibles ✓
c) Flammable liquids
14. PASS stands for:
a) Pull, Aim, Squeeze, Sweep ✓
, b) Push, Alert, Spray, Sweep
c) Pull, Alert, Spray, Stop
15. Fire extinguishers must be inspected:
a) Monthly ✓
b) Yearly
c) Every 6 months
Module 4: Electrical Safety
16. What is the most common electrical hazard?
a) Electric shock ✓
b) Arc flash
c) Explosions
17. GFCI protection is required for:
a) All 120-volt outlets
b) Temporary wiring outlets ✓
c) Permanent wiring only
18. The minimum approach distance for 50kV lines is:
a) 5 feet
b) 10 feet ✓
c) 15 feet
19. Lockout/Tagout applies to:
a) All energy sources ✓
b) Only electrical sources
c) Only mechanical sources
20. Who can remove a lockout device?
a) Any employee
b) Only the supervisor
c) Only the employee who installed it ✓
Module 5: Personal Protective Equipment (PPE)
21. Who pays for required PPE?
a) Employee
b) Employer ✓
c) Shared cost
, 22. Hard hats should be replaced every:
a) 1 year
b) 5 years ✓
c) 10 years
23. Hearing protection is required at what noise level?
a) 80 dB
b) 85 dB ✓
c) 90 dB
24. Respiratory protection is required when:
a) Air contaminants exceed PEL ✓
b) Employee feels uncomfortable
c) Supervisor decides
25. Fall arrest systems must limit maximum arresting force to:
a) 900 pounds
b) 1,800 pounds ✓
c) 2,700 pounds
Module 6: Hazard Communication
26. Hazard Communication Standard is based on:
a) Employee preference
b) Global harmonization ✓
c) Manufacturer choice
27. Safety Data Sheets must have how many sections?
a) 9
b) 12
c) 16 ✓
28. Who is responsible for labeling hazardous chemicals?
a) Manufacturer ✓
b) Employer
c) Employee
29. Training on hazardous chemicals must occur:
a) Before initial assignment ✓
b) After 30 days
c) Only when new chemicals arrive
2026 VERIFIED CORRECT
ANSWERS
Module 1: Introduction to OSHA
1. What does OSHA stand for?
a) Occupational Safety and Health Administration ✓
b) Occupational Standards and Health Association
c) Organizational Safety and Health Agency
2. The OSH Act was signed into law in what year?
a) 1965
b) 1970 ✓
c) 1975
3. What is OSHA's primary mission?
a) Increase productivity
b) Ensure workplace safety and health ✓
c) Reduce workers' compensation costs
4. Who is covered by the OSH Act?
a) Only federal employees
b) Most private sector employees ✓
c) Only manufacturing employees
5. OSHA standards are also known as:
a) Recommendations
b) Regulations ✓
c) Guidelines
Module 2: Walking-Working Surfaces
6. What is the minimum height at which fall protection is required in general industry?
a) 4 feet
,b) 6 feet
c) 30 inches ✓
7. Fixed ladders over 24 feet must have:
a) Safety gates
b) Fall protection or ladder safety systems ✓
c) Warning signs only
8. Stairways with four or more risers must have:
a) Handrails ✓
b) Safety nets
c) Toe boards
9. The maximum vertical gap between scaffold platforms is:
a) 1 inch
b) 1 foot ✓
c) 2 feet
10. Guardrails must withstand how much force?
a) 100 pounds
b) 200 pounds ✓
c) 300 pounds
Module 3: Exit Routes, Emergency Action Plans, Fire Prevention
11. How many exit routes must a workplace generally have?
a) At least 2 ✓
b) At least 1
c) At least 3
12. Exit doors must be:
a) Locked from outside only
b) Unlocked from inside ✓
c) Both locked and unlocked
13. Class A fires involve:
a) Electrical equipment
b) Ordinary combustibles ✓
c) Flammable liquids
14. PASS stands for:
a) Pull, Aim, Squeeze, Sweep ✓
, b) Push, Alert, Spray, Sweep
c) Pull, Alert, Spray, Stop
15. Fire extinguishers must be inspected:
a) Monthly ✓
b) Yearly
c) Every 6 months
Module 4: Electrical Safety
16. What is the most common electrical hazard?
a) Electric shock ✓
b) Arc flash
c) Explosions
17. GFCI protection is required for:
a) All 120-volt outlets
b) Temporary wiring outlets ✓
c) Permanent wiring only
18. The minimum approach distance for 50kV lines is:
a) 5 feet
b) 10 feet ✓
c) 15 feet
19. Lockout/Tagout applies to:
a) All energy sources ✓
b) Only electrical sources
c) Only mechanical sources
20. Who can remove a lockout device?
a) Any employee
b) Only the supervisor
c) Only the employee who installed it ✓
Module 5: Personal Protective Equipment (PPE)
21. Who pays for required PPE?
a) Employee
b) Employer ✓
c) Shared cost
, 22. Hard hats should be replaced every:
a) 1 year
b) 5 years ✓
c) 10 years
23. Hearing protection is required at what noise level?
a) 80 dB
b) 85 dB ✓
c) 90 dB
24. Respiratory protection is required when:
a) Air contaminants exceed PEL ✓
b) Employee feels uncomfortable
c) Supervisor decides
25. Fall arrest systems must limit maximum arresting force to:
a) 900 pounds
b) 1,800 pounds ✓
c) 2,700 pounds
Module 6: Hazard Communication
26. Hazard Communication Standard is based on:
a) Employee preference
b) Global harmonization ✓
c) Manufacturer choice
27. Safety Data Sheets must have how many sections?
a) 9
b) 12
c) 16 ✓
28. Who is responsible for labeling hazardous chemicals?
a) Manufacturer ✓
b) Employer
c) Employee
29. Training on hazardous chemicals must occur:
a) Before initial assignment ✓
b) After 30 days
c) Only when new chemicals arrive
