CDL · Hazardous materials

What is the lowest UL rating allowed for the fire extinguisher on a placarded vehicle's power unit?

Correct answer: A 10 B:C rating.

Answer options

  1. AA 10 B:C rating Correct
  2. BA 20 B:C rating
  3. CA 5 B:C rating

Why

Federal equipment rules require the power unit of any placarded vehicle to carry an extinguisher rated 10 B:C or higher, meaning it is suited to flammable-liquid and electrical fires.

About this question

Topic: Hazardous materials   License: CDL

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Where it applies: Asked in every state.

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