CDL · Hazardous materials

Your cargo tank has just been loaded with a hazardous material. What must happen before you pull away?

Correct answer: Shut every manhole and valve, and make sure none of them leak.

Answer options

  1. APhone CHEMTREC and report your planned route and destination
  2. BHave everyone who watched the loading sign your shipping papers
  3. CShut every manhole and valve, and make sure none of them leak Correct

Why

Every opening on a loaded cargo tank has to be sealed and checked for leaks before departure; otherwise product can escape as soon as the vehicle starts to move.

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 Loading and Unloading HazMat (32 questions). Take the full set and check your score.

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