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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. ________ display the ID number of their contents on placards or orange panels.
Cargo tanks and other bulk packaging
The back of the truck and the gas tank
The gas tank and other bulk packaging
Cargo tanks and the CDL license
2. Shipping papers must include:
an emergency response telephone number.
what the materials will be used for.
the price of the hazardous materials.
All of the above.
3. If the drive wheels start to skid:
push in the clutch to let them turn freely.
use the brakes to slow down.
accelerate slightly to regain control.
All of the above.
4. What should you do if your vehicle starts hydroplaning?
Release the accelerator and push in the clutch to let the wheels turn freely.
Leave the road completely.
Apply the brakes and countersteer to regain control of the vehicle.
Accelerate slightly, then push in the clutch to slow down.
5. If a package of explosives shows dampness, you should:
ask the shipper if you should transport the package.
decline transporting the package.
take the appropriate security measures and transport the package.
transport the package at night.
6. A shipping paper for HazMat must include:
a proper shipping description for each HazMat.
a shipper's certification signed by the shipper.
page numbers if the shipping paper has more than 1 page.
All of the above.
7. When your drive wheels have poor traction, you should:
turn the retarder off.
only use the retarder on the rear wheels.
turn the retarder on.
only use the retarder on the front wheels.
8. How many reflective triangles/emergency reflectors should you carry?
9. Placards should be placed at least ______ away from any other markings.
15 inches
3 inches
6 inches
7 inches
10. You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
increase your speed to approximately 45 mph, and then apply release the brakes.
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CDL Hazmat Test WI

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