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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 Minnesota hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MN CDL hazmat test covers the information found in the Minnesota 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. If your trucks has a high center of gravity, which of the following is true for curves?
You should slow down, as your truck can roll over at the posted speed limit for the curve.
You should travel at the posted speed limit.
Reduce your speed to a crawl.
None of the above.
2. When a tire fails, you should:
stay off the brake.
brake in a way that will keep your vehicle in a straight line.
apply the brakes as hard as you can without locking the wheels.
push the brake pedal down gradually.
3. When driving on long and/or steep downgrades, to select an appropriate safe speed you should consider:
the length of the grade.
the road conditions.
the total weight of the vehicle and cargo.
All of the above.
4. What is the most important reason to inspect your vehicle?
Saving money by preventing costly repairs.
Your safety and that of other road users.
Achieving the best gas mileage.
Vehicle inspection is required by federal and state laws.
5. If you discover a cargo leak, you should call for help and:
use shipping papers to identify the leaking material.
continue driving in order to find a truck stop.
try to identify the material by smell.
touch the leaking HazMat to identify the material.
6. You are inspecting your vehicle during a trip. What should you do?
Watch gauges for signs of trouble.
Use your senses to check for problems.
Check critical items such as tires, brakes, and lights.
All of the above.
7. Whether or not they load and secure the cargo themselves, drivers are responsible for:
making sure the cargo does not restrict access to emergency equipment.
recognizing poorly balanced weight.
knowing the cargo does not obscure the view ahead or to the sides.
All of the above.
8. In the Hazardous Material Table, what is in Column 3?
The hazard class or division
The HazMat shipping name
The HazMat description
The special provisions of the material
9. You are more at risk of being fatigued:
when stopping periodically during long trips.
when driving during the day.
when driving alone.
after getting more than 8 hours of sleep.
10. If the word "Forbidden" is written or typed in the Hazard Class or Division column of any entry in the Hazardous Materials Table:
The carrier may not open the package or container.
The product must never be larger than the RQ.
The product may only be transported with an escort vehicle.
Never transport the product.
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MN 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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