CDL · Hazardous materials

A fire has started in the cargo area of your trailer. What is the right thing to do?

Correct answer: Keep the doors shut and summon help.

Answer options

  1. ADouse the flames with water at once
  2. BKeep the doors shut and summon help Correct
  3. CSwing the doors open so the smoke can escape

Why

Opening the doors feeds fresh air to the fire and can make it flare up, while a closed trailer often just smolders until firefighters arrive. A driver may tackle a minor truck fire, but a burning hazmat load calls for trained responders.

About this question

Topic: Hazardous materials   License: CDL

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Where it applies: Asked in every state.

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