Practice question

Why should placards be removed or changed after unloading when no longer applicable?

  1. Incorrect placards can mislead responders and violate hazard communication rules
  2. Placards increase fuel use
  3. Placards expire at midnight
  4. Placards are needed only in Colorado

Answer: A — Incorrect placards can mislead responders and violate hazard communication rules

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

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