DOT HAZMAT EMPLOYEE TRAINING
CERTIFICATION EXAM (49CFR 171-180) QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026|INSTANT DOWNLOAD PDF
1. What is the primary purpose of 49 CFR Parts 171–180?
A. Regulate air travel safety
B. Govern hazardous materials transportation in commerce
C. Control workplace ergonomics
D. Regulate food safety
Rationale: These regulations establish rules for safe transport
of hazardous materials.
Correct Answer: B. Govern hazardous materials transportation
in commerce
2. What does “Hazmat” stand for?
A. Hazardous matter
B. Hazardous material
C. Harmful material
D. High-risk material
Rationale: DOT defines hazmat as substances posing risk to
health, safety, or property.
Correct Answer: B. Hazardous material
,3. Who regulates hazardous materials transportation in the
U.S.?
A. OSHA
B. EPA
C. PHMSA (DOT)
D. FDA
Rationale: PHMSA under DOT enforces hazmat transport rules.
Correct Answer: C. PHMSA (DOT)
4. A hazardous material is defined as a substance that:
A. Is expensive
B. Is flammable, toxic, or poses risk
C. Is imported
D. Is heavy
Rationale: Hazmat includes substances posing risk to safety or
environment.
Correct Answer: B. Is flammable, toxic, or poses risk
5. What is required for hazmat employees?
A. Driving license only
B. Background check only
C. Training and certification
D. Medical clearance only
, Rationale: DOT mandates formal hazmat training.
Correct Answer: C. Training and certification
6. How often must hazmat training be refreshed?
A. Every year
B. Every 5 years
C. Every 3 years
D. Every 10 years
Rationale: DOT requires re-training every 3 years.
Correct Answer: C. Every 3 years
7. What does 49 CFR Part 172 cover?
A. Hazard classification
B. Hazard communication and shipping papers
C. Packaging manufacturing
D. Emergency response only
Rationale: Part 172 covers communication requirements.
Correct Answer: B. Hazard communication and shipping papers
8. What is a Shipping Paper used for?
A. Payroll records
B. Document hazmat shipment details
CERTIFICATION EXAM (49CFR 171-180) QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
Q&A 2026|INSTANT DOWNLOAD PDF
1. What is the primary purpose of 49 CFR Parts 171–180?
A. Regulate air travel safety
B. Govern hazardous materials transportation in commerce
C. Control workplace ergonomics
D. Regulate food safety
Rationale: These regulations establish rules for safe transport
of hazardous materials.
Correct Answer: B. Govern hazardous materials transportation
in commerce
2. What does “Hazmat” stand for?
A. Hazardous matter
B. Hazardous material
C. Harmful material
D. High-risk material
Rationale: DOT defines hazmat as substances posing risk to
health, safety, or property.
Correct Answer: B. Hazardous material
,3. Who regulates hazardous materials transportation in the
U.S.?
A. OSHA
B. EPA
C. PHMSA (DOT)
D. FDA
Rationale: PHMSA under DOT enforces hazmat transport rules.
Correct Answer: C. PHMSA (DOT)
4. A hazardous material is defined as a substance that:
A. Is expensive
B. Is flammable, toxic, or poses risk
C. Is imported
D. Is heavy
Rationale: Hazmat includes substances posing risk to safety or
environment.
Correct Answer: B. Is flammable, toxic, or poses risk
5. What is required for hazmat employees?
A. Driving license only
B. Background check only
C. Training and certification
D. Medical clearance only
, Rationale: DOT mandates formal hazmat training.
Correct Answer: C. Training and certification
6. How often must hazmat training be refreshed?
A. Every year
B. Every 5 years
C. Every 3 years
D. Every 10 years
Rationale: DOT requires re-training every 3 years.
Correct Answer: C. Every 3 years
7. What does 49 CFR Part 172 cover?
A. Hazard classification
B. Hazard communication and shipping papers
C. Packaging manufacturing
D. Emergency response only
Rationale: Part 172 covers communication requirements.
Correct Answer: B. Hazard communication and shipping papers
8. What is a Shipping Paper used for?
A. Payroll records
B. Document hazmat shipment details
