CDL · Hazardous materials
A placarded trailer you are pulling rides on dual tires. When are you required to inspect those tires?
Correct answer: When each trip begins and every time you park.
Answer options
- AWhen each trip begins and every time you park Correct
- BOnce a week, however many trips you make
- COnly right before you cross a state line
Why
Hazmat rules call for a look at every tire when a trip starts and again whenever you park, with a pressure gauge used to confirm inflation; catching a soft or hot tire early helps prevent fires and blowouts.
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
- You are hauling hazardous materials and must stop for a railroad crossing ahead. What is the farthest from the nearest rail that you may stop?
- You are carrying a Division 4.3 material labeled "DANGEROUS WHEN WET," and the shipment weighs 100 pounds. Are you required to stop at railroad-highway grade crossings?
- You haul radioactive materials that must stay on a required route. How recently must the carrier have given you special training?
- During a hazmat haul, you notice that one tire is losing air. What does the rule require you to do?
- During a hazmat trip you find an overheated tire. What must you do?
- Federal rules say a placarded hazmat vehicle should avoid tunnels. When may it still use one?
- Partway through a hazmat trip, your en route inspection turns up an overheated tire. What are you required to do?
- What is a driver required to keep on hand while transporting Division 1.1 or 1.2 explosives?
Practice on your phone.
Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.