Hazardous Materials (Hazmat) Flashcards
7 cards from real CDL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Hazardous Materials (Hazmat) flashcards as text
What must a driver do with hazmat packages that show signs of damage or leakage during a stop?
Answer: Inspect the cargo and not transport leaking packages
Drivers must inspect cargo and must not transport leaking or damaged hazmat packages.
Why should a driver avoid using flares or open flames near a hazmat vehicle leaking flammable material?
Answer: They could ignite the flammable material
Open flames or flares can ignite leaking flammable materials, so non-flame warning devices should be used.
Which hazard class covers radioactive materials?
Answer: Class 7
Class 7 is the designation for radioactive materials.
What is required of a driver who must attend a parked vehicle carrying certain explosives?
Answer: The vehicle must be attended at all times by a qualified person
Vehicles carrying certain explosives must be attended at all times by a qualified, awake person except when properly parked.
What does Class 8 in the hazardous materials classification system represent?
Answer: Corrosives
Class 8 covers corrosive materials such as strong acids and bases that can damage skin and metal.
Why is it important to secure hazmat cargo properly inside the trailer?
Answer: To prevent shifting that could cause damage, leaks, or reactions
Properly secured cargo prevents shifting that could rupture packages or cause dangerous reactions in transit.
What should a driver carrying hazmat do in the event of an accident or spill?
Answer: Keep people away, notify authorities, and provide shipping paper information
Drivers should warn others, keep people away, notify authorities, and provide shipping papers to responders.