Practice question

What is the difference between H and X endorsements?

  1. H is hazmat; X combines tank vehicle and hazmat authority
  2. H is passenger; X is school bus
  3. H is air brakes; X is doubles/triples
  4. H is only for motorcycles; X is for farm vehicles

Answer: A — H is hazmat; X combines tank vehicle and hazmat authority

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Practice more: WI CDL Hazmat Practice Questions - Wisconsin CDL Hazardous Materials Endorsement Test Exam →