Practice question

A UN or NA identification number on shipping papers, packages, or placards helps identify what?

  1. The specific hazardous material or regulated substance
  2. The driver's home terminal
  3. The truck's axle rating
  4. The number of stops on the route

Answer: A — The specific hazardous material or regulated substance

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Practice more: New Jersey CDL HazMat Endorsement Test Practice Questions - New Jersey CDL Hazardous Materials Endorsement Test Exam →