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Hazardous Materials Transportation Flashcards

6 cards from real FMCSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Hazardous Materials Transportation flashcards as text
  1. Which HazMat endorsement test must be retaken every time a CDL is renewed?

    Answer: Hazardous Materials (H) endorsement

    The H (Hazardous Materials) endorsement knowledge test must be retaken at every CDL renewal because it also requires TSA background check renewal.

  2. What must a driver do if they must stop in a tunnel while carrying HazMat?

    Answer: Try to avoid stopping; if unavoidable, move to the right and use hazard lights

    HazMat drivers should avoid stopping in tunnels; if unavoidable, they must move as far right as possible and activate hazard lights.

  3. What is the proper response if a driver discovers a HazMat package is leaking before loading?

    Answer: Refuse to transport it and notify the shipper

    Drivers must refuse to accept and transport any leaking HazMat package and must notify the shipper immediately.

  4. What color are Class 6 (Toxic/Poison) HazMat labels?

    Answer: White with black skull and crossbones

    Class 6 toxic/poison labels are white with a black skull and crossbones symbol to warn of serious health hazards.

  5. Under HazMat regulations, how soon must a carrier report a HazMat incident involving death or hospitalization?

    Answer: Within 24 hours by telephone to DOT

    Incidents involving a death, serious injury, or significant property damage must be reported to DOT by telephone within 24 hours.

  6. Which of the following HazMat classes has NO minimum quantity threshold for placarding?

    Answer: Class 7 (Radioactive)

    Radioactive materials (Class 7) must be placarded in any quantity because of the extreme danger they pose.