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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. It may not be safe to operate at legal maximum weights:
on highways.
during bad weather or in mountains.
on two-way streets.
in hot weather.
2. Which of the following statements about stopping distance and speed is true?
The lighter the vehicle, the more work the brakes must do to stop it.
Wet roads can double stopping distance.
Fully loaded trucks require greater stopping distances.
All of the above.
3. Different materials expand:
at the same rate.
at different rates.
at rates determined by road conditions.
None of the above.
4. Before driving a tank, you should not:
ensure all valves are open.
check the intake, discharge, and cut-off valves.
check the tank's body for dents.
make sure manhole covers don't have gaskets.
5. Baffled tanks:
help to control the liquid surge.
are usually those that transport food products.
help to control the temperature of the liquid.
have nothing inside to slow down the flow of the liquid.
6. Improperly placarded vehicles can only be moved:
by their owner.
at night.
in the daytime.
during an emergency.
7. _________ helps coordinate emergency response to chemical hazards.
The National Chemical Network
The National Prevention Network
The National Response Center
The Federal Transportation Organization
8. What should you do when confronted by an aggressive driver?
Hold-your-own in your travel lane
Make eye contact
Challenge them by speeding up
Ignore gestures
9. If a vehicle is equipped with ABS, when you start the engine:
the spring brakes will come on.
the wheels will lock up.
the ABS indicator light on the dash should come on and then turn off.
the trailer emergency brakes will come on.
10. ______ are _____ that have holes in them to let the liquid flow through.
Barriers; baffles
Bulkheads; tankers
Barriers; bulkheads
Baffles; bulkheads
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Tanker Test - WI CDL

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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