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Hazmat Placard Awareness Flashcards

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

Read the first 7 Hazmat Placard Awareness flashcards as text

  1. A forklift operator is asked to move a shipment that contains both Class 3 Flammable Liquid and Class 8 Corrosive materials. Which placards are required?

    Answer: Both Class 3 and Class 8 placards if each meets the threshold

    When a shipment contains multiple hazard classes each meeting the weight threshold, a placard for each class is required.

  2. The 'DANGEROUS' placard (red and white vertical stripes) may be used when:

    Answer: Two or more different hazard classes are present in amounts below 1,001 lbs each but collectively exceed that limit

    The DANGEROUS placard is permitted when a vehicle carries two or more hazard classes that collectively total 1,001 lbs but no single class reaches that threshold alone.

  3. What shape are all DOT hazmat placards required to be?

    Answer: Diamond (square on point)

    DOT regulations specify that hazmat placards must be diamond-shaped (a square rotated 45 degrees) to ensure instant visual recognition.

  4. A yellow placard with a trefoil (propeller) symbol and the word 'RADIOACTIVE' and 'II' on it indicates:

    Answer: A moderate radiation level requiring distance controls (Yellow-II)

    A Radioactive Yellow-II label/placard means the material has measurable external radiation and requires controlled handling distances.

  5. Under DOT 49 CFR, what is the minimum size requirement for a hazmat placard displayed on a transport vehicle?

    Answer: At least 10.8 inches (27.4 cm) on each side

    DOT requires hazmat placards to be at least 10.8 inches (approximately 273 mm) on each side of the diamond.

  6. A forklift operator sees a placard with a black 'W' with a line through it on a blue background. This indicates the material:

    Answer: Reacts dangerously with water

    The crossed-out 'W' symbol on certain placards (such as some Class 4.3 materials) warns that the substance reacts dangerously when it contacts water.

  7. Which placard class covers lithium batteries being transported in bulk quantities?

    Answer: Class 9 Miscellaneous

    Lithium batteries fall under Class 9 Miscellaneous Hazardous Materials when transported and require the Class 9 placard for bulk quantities.