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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. If you are being tailgated, you should do all of the following except:
Increase your following distance
Reduce your speed gradually
Turn on your taillights
Try to let the other vehicle pass
2. When you take a break in the middle of your trip, you should check:
missing exhaust pipes.
gauges for signs of trouble.
heater, defroster and windshield wiper blades.
tires, brakes, lights and cargo securement devices.
3. If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
4. When driving at night, to avoid glare from oncoming vehicles you should:
put your own high beams on when other drivers do not put their low beams on.
look slightly to the right at a right lane or edge marking.
look directly at lights of oncoming vehicles.
wear sunglasses.
5. Rough acceleration can cause:
mechanical damage.
damage electrical and brake lines.
tire damage.
All of the above.
6. NEVER smoke within 25 feet of vehicles which contain:
Class 5.2 only
Class 3 only
Classes 1, 2, 3, and 4
Class 4.2 only
7. To know if your vehicle is equipped with ABS, look for:
an ABS placard.
the ABS shipping paper.
a yellow ABS malfunction lamps on the instrument panel.
the ABS logo on the steering wheel.
8. The parking brake:
should be used when driving in bad weather.
should be used whenever you park.
should be used when you need to apply the brakes firmly.
All of the above.
9. Most heavy vehicles require ________ change gears.
triple shifting
double shifting
double clutching
single clutching
10. Some packages of ________ bear a "transport index", which tells the degree of control needed during transportation.
radioactive materials
corrosive liquids
flammable liquids
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WI CDL Hazmat Test

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