CDL · Hazardous materials
Your trailer is placarded and has dual tires. How often do you need to check those tires?
Correct answer: At the start of each trip and every time you park.
Answer options
- AOnce every three months, during scheduled service
- BOnce every 500 miles, at a planned fuel stop
- CAt the start of each trip and every time you park Correct
Why
Hazardous materials rules call for checking the tires of a placarded vehicle with duals at the start of every trip and whenever you stop to park. Checking that often helps you catch a flat, leaking or overheated tire before it causes a fire or a blowout.
About this question
Topic: Hazardous materials License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of HazMat Routes, Crossings and Checks (23 questions). Take the full set and check your score.
Practice HazMat Routes, Crossings and ChecksMore questions from HazMat Routes, Crossings and Checks
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