Practice question
Why should placards be removed or changed after unloading when no longer applicable?
- Incorrect placards can mislead responders and violate hazard communication rules
- Placards increase fuel use
- Placards expire at midnight
- Placards are needed only in Colorado
Answer: A — Incorrect placards can mislead responders and violate hazard communication rules
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Practice more: Colorado CDL Hazmat Practice Questions - Colorado CDL Hazardous Materials Endorsement Test Exam →