Practice question

When transporting hazardous materials, placards:

  1. Should only be used with explosives.
  2. Should be used on all four sides of a vehicle.
  3. Should only be used by Class A licensed drivers.
  4. Should be used to reduce insurance rates.

Answer: B — Should be used on all four sides of a vehicle.

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Practice more: North Dakota CDL HazMat Test 1 →