Practice question

To determine which placard(s) you must use when carrying hazardous materials, you need to know:

  1. The hazard classes of the materials.
  2. The types of containers being used.
  3. The destination.
  4. The shipper.

Answer: A — The hazard classes of the materials.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Massachusetts CDL HazMat Test 2 →