CDL HazMat Endorsement
Exam Questions And Correct
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1. The primary purpose of Hazardous Materials regulations is to:
A. Increase shipping speed
B. Protect people, property, and the environment during transport
C. Reduce driver licensing fees
D. Improve fuel economy
Answer: B
Rationale: HazMat rules exist to ensure safe transportation of dangerous goods.
2. Case: A driver is transporting gasoline. This is classified as:
A. Non-hazardous material
B. Flammable liquid (Hazard Class 3)
C. Corrosive material
D. Oxidizer
Answer: B
Rationale: Gasoline is a Class 3 flammable liquid.
3. The Hazardous Materials Table is found in:
A. 49 CFR Part 172
B. 49 CFR Part 383
C. FMCSA handbook only
D. DOT Form 2
Answer: A
Rationale: The HMT is located in 49 CFR 172.101.
,4. Case: A shipment label shows “UN 1203.” This indicates:
A. Oxygen
B. Gasoline
C. Diesel
D. Explosives
Answer: B
Rationale: UN1203 is gasoline identification number.
5. A “proper shipping name” is used to:
A. Describe the truck
B. Identify hazardous material for transport documentation
C. Replace driver license
D. Identify fuel type of vehicle
Answer: B
Rationale: Proper shipping name ensures correct hazard identification.
6. Case: A placard shows a flame symbol and number 3. This indicates:
A. Corrosive
B. Flammable liquid
C. Explosive
D. Poison gas
Answer: B
Rationale: Class 3 placard represents flammable liquids.
7. The purpose of placards is to:
A. Increase truck speed
B. Warn emergency responders of hazards
C. Replace shipping papers
D. Improve fuel efficiency
Answer: B
Rationale: Placards communicate hazard class quickly.
8. Case: A truck is missing required placards. Driver should:
A. Continue trip
B. Not transport until corrected
C. Hide shipment
D. Change cargo description
, Answer: B
Rationale: Improper placarding is illegal.
9. The Emergency Response Guidebook (ERG) is used to:
A. Determine payroll
B. Provide emergency response guidance for hazardous materials incidents
C. Replace CDL license
D. Calculate fuel use
Answer: B
Rationale: ERG assists responders during HazMat incidents.
10. Case: A tanker leaks chlorine gas. First responders consult:
A. Driver manual
B. ERG guidebook
C. Insurance policy
D. Maintenance log
Answer: B
Rationale: ERG provides hazard response procedures.
11. “Hazard class 2” refers to:
A. Corrosives
B. Gases
C. Flammable solids
D. Radioactive materials
Answer: B
Rationale: Class 2 covers gases.
12. Case: Propane is being transported. It is classified as:
A. Class 1
B. Class 2 gas
C. Class 3 liquid
D. Class 4 solid
Answer: B
Rationale: Propane is a flammable gas.
13. A “combustible liquid” is defined as a liquid that:
A. Burns at any temperature
B. Has a higher flash point than flammable liquids
Exam Questions And Correct
Answers (Verified Answers)
Plus Rationales 2026 Q&A |
Instant Download Pdf
1. The primary purpose of Hazardous Materials regulations is to:
A. Increase shipping speed
B. Protect people, property, and the environment during transport
C. Reduce driver licensing fees
D. Improve fuel economy
Answer: B
Rationale: HazMat rules exist to ensure safe transportation of dangerous goods.
2. Case: A driver is transporting gasoline. This is classified as:
A. Non-hazardous material
B. Flammable liquid (Hazard Class 3)
C. Corrosive material
D. Oxidizer
Answer: B
Rationale: Gasoline is a Class 3 flammable liquid.
3. The Hazardous Materials Table is found in:
A. 49 CFR Part 172
B. 49 CFR Part 383
C. FMCSA handbook only
D. DOT Form 2
Answer: A
Rationale: The HMT is located in 49 CFR 172.101.
,4. Case: A shipment label shows “UN 1203.” This indicates:
A. Oxygen
B. Gasoline
C. Diesel
D. Explosives
Answer: B
Rationale: UN1203 is gasoline identification number.
5. A “proper shipping name” is used to:
A. Describe the truck
B. Identify hazardous material for transport documentation
C. Replace driver license
D. Identify fuel type of vehicle
Answer: B
Rationale: Proper shipping name ensures correct hazard identification.
6. Case: A placard shows a flame symbol and number 3. This indicates:
A. Corrosive
B. Flammable liquid
C. Explosive
D. Poison gas
Answer: B
Rationale: Class 3 placard represents flammable liquids.
7. The purpose of placards is to:
A. Increase truck speed
B. Warn emergency responders of hazards
C. Replace shipping papers
D. Improve fuel efficiency
Answer: B
Rationale: Placards communicate hazard class quickly.
8. Case: A truck is missing required placards. Driver should:
A. Continue trip
B. Not transport until corrected
C. Hide shipment
D. Change cargo description
, Answer: B
Rationale: Improper placarding is illegal.
9. The Emergency Response Guidebook (ERG) is used to:
A. Determine payroll
B. Provide emergency response guidance for hazardous materials incidents
C. Replace CDL license
D. Calculate fuel use
Answer: B
Rationale: ERG assists responders during HazMat incidents.
10. Case: A tanker leaks chlorine gas. First responders consult:
A. Driver manual
B. ERG guidebook
C. Insurance policy
D. Maintenance log
Answer: B
Rationale: ERG provides hazard response procedures.
11. “Hazard class 2” refers to:
A. Corrosives
B. Gases
C. Flammable solids
D. Radioactive materials
Answer: B
Rationale: Class 2 covers gases.
12. Case: Propane is being transported. It is classified as:
A. Class 1
B. Class 2 gas
C. Class 3 liquid
D. Class 4 solid
Answer: B
Rationale: Propane is a flammable gas.
13. A “combustible liquid” is defined as a liquid that:
A. Burns at any temperature
B. Has a higher flash point than flammable liquids
