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- 20 questions
- Pass mark 80%
Vermont CDL: Hazardous Materials Practice Test
20 hazardous materials questions for the Vermont CDL Knowledge Test, out of 191 in the app. Answer each to see whether you got it right and why. The real Vermont Hazardous Materials test has 30 questions and you need 24 correct (80%) to pass.
- Facts updated
- Official source: law.cornell.edu
- Independent, not affiliated with the DMV. How we write our questions
How it works
- 1Pick an answer20 questions, one tap each.
- 2See the ruleRight or wrong, every answer is explained.
- 3Get your scoreCompared with the real 80% pass mark.
1Question 1 of 20
How should a qualified person oversee the loading or unloading of hazmat into a cargo tank?
2Question 2 of 20

Placards are in what shape?
3Question 3 of 20
When shipping hazardous materials, the shipper must keep a copy of the shipping papers for ________ for hazardous waste, or for ________ for other hazardous materials.
4Question 4 of 20
If oxidizing materials or flammable solid materials are spilled, you should
5Question 5 of 20
The hazardous material identification numbers must be displayed on portable tanks, cargo tanks, and other bulk packaging. The regulations require black _______ numbers.
6Question 6 of 20

NO ONE may smoke within 25 feet of any vehicle that contains explosives, oxidizers, or
7Question 7 of 20
Who is responsible for providing emergency response information for each hazardous material being shipped?
8Question 8 of 20
Why must the shipper sign the shipping paper?
9Question 9 of 20
Your vehicle contains explosives, oxidizers, or flammables. No one may smoke within
10Question 10 of 20
Before loading or unloading explosives, you must check the cargo space for which of the following?
11Question 11 of 20

You are transporting hazardous materials. When you are not behind the wheel, the shipping papers must be on the driver’s seat or
12Question 12 of 20
What does 'D' mean in Column 1 of the Hazardous Materials Table?
13Question 13 of 20
Gasoline is a Class ____ hazardous material.
14Question 14 of 20
When handling packages of explosives, you must
15Question 15 of 20
According to federal regulations, emergency response information for a hazmat spill or leak must include which of the following?
16Question 16 of 20
If a serious incident involving hazardous materials occurs, the carrier must submit a written report to the National Response Center within
17Question 17 of 20
Who must certify on the shipping papers that the shipment has been prepared in the correct manner?
18Question 18 of 20

If your vehicle is placarded, you must stop _______ feet before the nearest rail at a railroad crossing.
19Question 19 of 20
Which of these placards must be displayed whenever any amount of that material is transported?
20Question 20 of 20

Your carrier does NOT need to obtain a Hazardous Materials Safety Permit (HMSP) to transport which of these by truck?
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Questions people ask
Is this Vermont CDL: Hazardous Materials Practice Test like the real Vermont CDL Knowledge Test?
The questions are written in the same style as the real test, from official sources, with an explanation for each answer. The real test has 30 questions; this free test has 20.
How many questions are on the Vermont CDL Knowledge Test?
The General Knowledge test has 30 questions. Each class and endorsement adds its own test.
What score do you need to pass the Vermont CDL Knowledge Test?
You need 24 out of 30 correct (80%).
How old do you have to be to take the Vermont CDL Knowledge Test?
You can take it from age 18.
Where can I practice more questions?
The Driving Exam Prep app has the full question bank for your test, a step-by-step roadmap, a mistakes review and a readiness score against the real pass mark.
Official sources
Our questions are written from these official sources. Always study your official handbook too: rules change, and our practice questions may differ from your real test.
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