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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The Wisconsin CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The WI tanker test covers the following sections of the Wisconsin CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this WI tanker practice test now to prepare for the actual test!
1. If driving a heavy vehicle, you should:
stay in the right lane.
stay in the left lane.
try to pass other vehicles going uphill.
avoid braking.
2. How many drinks per hour can be handled by the liver?
About 1 drink per hour.
About 4 drinks per hour.
About 2 drinks per hour.
About 3 drinks per hour.
3. Your vehicle may take longer to stop:
if the tank is full of dense liquid.
if the tank is empty.
if the road is dry.
if you are driving in hot weather.
4. Texting is:
the most dangerous distraction.
safer than talking on a cell phone.
safer than  engaging in conversation with a passenger.
about as safe as adjusting the radio.
5. After starting the engine, the ABS light stays on. This means:
the ABS is not working properly.
the ABS is in Neutral.
the ABS is working properly.
the ABS oil level is not adequate.
6. When driving a tanker, liquid surge:
can have bad effects on handling.
should not  be a concern.
results from movement of the liquid in full tanks.
is never dangerous.
7. Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
a rear backup camera.
anti-lock brakes.
hydraulic brakes.
8. When backing, you should:
avoid using the mirrors.
back quickly.
back and turn toward the right side.
use a helper if possible.
9. In the Hazardous Material Table, what is in Column 3?
The hazard class or division
The HazMat description
The special provisions of the material
The HazMat shipping name
10. If you are carrying a heavy load that is slowing you down, you should:
drive on the shoulder.
drive in the right lane.
drive in the left lane.
keep the vehicle in third gear.
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WI CDL Tanker Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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