CDL · Hazardous materials

What is the shape of the placards displayed by vehicles that haul hazardous materials?

Correct answer: Diamond.

Answer options

  1. ATriangle
  2. BDiamond Correct
  3. COctagon

Why

Hazmat placards are square-on-point signs, usually described as diamonds, shown on the front, back, and both sides of the vehicle. Their colors, symbols, and class numbers tell responders what kind of danger the load presents.

About this question

Topic: Hazardous materials   License: CDL

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Where it applies: Asked in every state.

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This question is part of Labels, Markings and Placards (23 questions). Take the full set and check your score.

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