Practice question

Which statement is correct about x combines tank vehicle and hazardous materials authority?

  1. Passenger authority is the same as tanker authority.
  2. Washington does not use a CDL knowledge test for tank vehicles.
  3. X combines tank vehicle and hazardous materials authority.
  4. N-only authority automatically includes all HazMat authority.

Answer: C — X combines tank vehicle and hazardous materials authority.

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