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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 Michigan hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MI CDL hazmat test covers the information found in the Michigan 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. Why should you check your mirrors regularly to know where other vehicles are around you?
To move out of their way if they want to get past.
To flash the brake lights if you are being tailgated.
To know whether you can make a quick lane change in an emergency.
2. Letting air out of hot tires:
will help relieve the extra pressure.
should not be done, because the pressure will be too low when the tires cool off.
will cool the tires down.
3. A Uniform Hazardous Waste Manifest:
is a list of safe driving practices that commercial drivers must observe.
is required only in case of an accident involving a placarded vehicle.
must be signed by hand and carried by anyone transporting hazardous waste.
4. If another vehicle is following closely, you should NOT:
increase your following distance.
avoid quick changes.
speed up.
5. When driving in very hot weather, you may have to:
reduce your speed to prevent overheating.
increase your speed until the tires cool off.
decrease your following distance.
6. Placards must be placed:
so the words or numbers are read from left to right.
less than 3 inches away from any other markings.
so that the format, color, and message can only be seen by the driver.
7. As you approach off ramps and on ramps, remember:
to always brake and turn at the same time.
that the posted speed limit may not be safe for larger vehicles.
that downgrades make it easier to reduce speed.
8. Which of the following statements about portable tanks is TRUE?
They must show the lessee or owner's name
They are not permanently attached to a vehicle
All of the above.
9. How often should you check the tires if your placarded trailer has dual tires?
Once a month.
At the beginning of each trip and each time the vehicle is parked.
Once a year.
10. Anti-lock brakes:
help you stop faster.
keep your brakes from locking up when you brake hard.
increase your stopping distance.
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MI CDL Hazmat Test

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