CDL · Hazardous materials

Every placarded vehicle has to carry a fire extinguisher. What is the minimum rating it must have?

Correct answer: A rating of 10 B:C.

Answer options

  1. AA rating of 4 A:B
  2. BA rating of 5 B:C
  3. CA rating of 10 B:C Correct

Why

Federal rules call for a placarded vehicle to have an extinguisher with a UL rating of 10 B:C or higher, which means it is suited to flammable-liquid and electrical fires.

About this question

Topic: Hazardous materials   License: CDL

Part of these practice sets:

Where it applies: Asked in every state.

Practice the whole set

This question is part of HazMat Routes, Crossings and Checks (23 questions). Take the full set and check your score.

Practice HazMat Routes, Crossings and Checks

Practice on your phone.

Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.