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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Wisconsin hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The WI CDL hazmat test covers the information found in the Wisconsin CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. The two main places on which the hazardous materials identification number must appear are:
the gas tank and the right side of the truck.
the shipping paper and the driver's ID.
the license plate and the package.
the shipping paper and the package
2. When driving in construction areas you should:
reduce speed to a crawl.
decrease your speed.
stop driving as soon as you can safely do so.
increase your speed.
3. Which of the following hazard classes should NOT be placed into a temperature-controlled trailer?
Classes 1, 3, and 4
Classes 1, 3, and 5.1
Classes 1, 4, and 5
Classes 1, 2.1, and 3
4. As you approach off ramps and on ramps, remember:
to maintain your highway speed.
that the posted speed limit may not be safe for larger vehicles.
that downgrades make it easier to reduce speed.
to always brake and turn at the same time.
5. After starting the engine, the ABS light stays on. This means:
the ABS is working properly.
the ABS is in Neutral.
the ABS is not working properly.
the ABS oil level is not adequate.
6. A vehicle inspection should be done:
the same way each time so you are less likely to forget something.
once every month.
by a helper whenever possible.
differently each time, so you are less likely to forget something.
7. With low beams, drivers can see ahead about:
15 feet
250 feet
150 feet
100 feet
8. The person watching the loading or unloading of a cargo tank must be within _______ of the tank.
25 feet
15 feet
5 feet
50 feet
9. You may not park a vehicle carrying hazardous materials within ____ feet of a bridge, tunnel, or building.
10. What is a safe haven?
A place where hazardous materials can be safely dumped.
An approved place for parking unattended vehicles loaded with explosives.
The storage container tank where hazardous materials must be stored.
The place where commercial drivers convicted for DUI must attend a one-week special driver education course.
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WI CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Number of questions: 30
Correct answers to pass:24
Passing score:80%
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