Practice question

The minimum size of placards identifying hazardous materials is:

  1. Four inches.
  2. Six and one-quarter inches.
  3. Nine and three-quarter inches.
  4. 10 and three-quarter inches.

Answer: D — 10 and three-quarter inches.

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

Practice more: Illinois CDL Class A Knowledge Test 1 →