A material has a secondary hazard of dangerous when wet. Which placard must you add?
Right! Show DANGEROUS WHEN WET in addition to the class placards. 📖 p. 97
From Section 9 of the Colorado Commercial Driver License Manual
Colorado CDL Hazardous Materials Practice Test
Who takes it: every CDL class (A, B and C), for the H endorsement.
Hauling placarded hazardous materials. 30 questions, 24 right to pass (80%).
Practice Hazardous Materials
- 10questions a round
- 2manual sections
Take the Hazardous Materials test
- 30questions
- 24correct to pass
- –no test taken yet
A Hazardous Materials question to try
Tap an answer to see if you’re right, and the page
Where it is in the Colorado Commercial Driver License Manual
Colorado answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV
All Colorado CDL tests
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