CDL HazMat Endorsement Practice Questions - Commercial Driver's License Hazardous Materials (H) Endorsement Exam

The use of cargo heaters is prohibited when transporting:

Class 1 (Explosives), Class 3 (Flammable Liquids), or Division 2.1 (Flammable Gases) Class 8 (Corrosives) only Any hazardous material in a tanker Any material above 1,001 pounds

Correct Answer:

Class 1 (Explosives), Class 3 (Flammable Liquids), or Division 2.1 (Flammable Gases)

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