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Hazardous Materials Awareness Flashcards

7 cards from real CPFM 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 Awareness flashcards as text
  1. On an NFPA 704 diamond, what hazard does the red quadrant represent?

    Answer: Flammability

    Red indicates flammability, rated 0 through 4.

  2. An NFPA 704 diamond on a storage shed shows a 'W' with a line through it in the white quadrant. What does it mean?

    Answer: The material reacts dangerously with water

    A crossed-out W warns of unusual reactivity with water, so water should not be used on it.

  3. Which section of a Safety Data Sheet (SDS) describes suitable extinguishing media and firefighting hazards?

    Answer: Section 5

    SDS Section 5 covers firefighting measures including extinguishing media and special hazards.

  4. Which SDS section should you consult to determine required personal protective equipment for handling a chemical?

    Answer: Section 8 - Exposure controls/personal protection

    Section 8 lists exposure limits, engineering controls, and PPE.

  5. Why are gasoline vapors especially dangerous around low spots on a burn unit, such as ditches and drainages?

    Answer: They are heavier than air and collect in low areas

    Gasoline vapor density is greater than 1, so vapors flow downhill and pool in low areas.

  6. When filling drip torches or fuel cans, why should containers be placed on the ground rather than in a plastic-lined truck bed?

    Answer: To dissipate static electricity and reduce ignition risk

    Grounding the container on the earth helps prevent static discharge that can ignite vapors.

  7. A propane tank is exposed to flame near the burn perimeter. Where is the most dangerous place for personnel to stand?

    Answer: In line with the ends of the tank

    During a BLEVE, tank ends and fragments are often propelled along the tank's long axis.

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Sources & references

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  1. code.wvlegislature.gov — Test delivery, fees, eligibility · verified Nov 2026
  2. scfc.gov — Exam dates, test delivery, fees, registration deadline · verified Nov 2026