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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 West Virginia CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The WV tanker test covers the following sections of the West Virginia CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this WV tanker practice test now to prepare for the actual test!
1. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
you should check your after the start of any trip to make sure they are properly adjusted.
convex mirrors make things look larger and closer than they really are.
there are blind spots that your mirrors cannot show you.
every registered motor vehicle must have at least one mirror.
2. Skids caused by acceleration can usually be stopped by:
taking your foot off the accelerator.
applying the brakes firmly.
swerving to the right.
swerving to the left.
3. You should never load a cargo tank totally full. Why?
Liquids shrink when they freeze, which results in the so called "outage".
All of the above.
To save money on the tank rental fee.
Liquids expand as they warm and you must leave room for the liquid to expand.
4. Shippers must warn drivers and others about the material's hazards:
by placing a red triangle with an orange center on the vehicle.
by putting hazard warning labels on packages.
by making a written report each day on the condition of the material.
by placing the transmission in Neutral.
5. When transporting hazardous waste, the Uniform Hazardous Waste Manifest must:
be signed by hand only when traveling to another state.
be signed by hand.
not be signed.
be signed by a helper.
6. If your brakes fail while you are driving on a downgrade, you should:
take the least hazardous escape route you can.
immediately start looking outside your vehicle for something to stop it.
use an escape ramp if it's available.
All of the above.
7. When you leave your vehicle you should:
apply the service brake.
release the parking brake.
leave the key in the ignition.
None of the above.
8. You should do an after-trip inspection:
after each stop.
once a month.
at least once a week.
after each trip.
9. You as a driver should always:
drive slowly in the left lane of traffic.
reduce your following distance.
make emergency plans when you see a hazard.
stay in your lane.
10. With the controlled braking method:
you lightly tap the brakes.
you apply your brakes all the way and release the brakes when the wheels lock up.
you apply your brakes as hard as possible without locking the wheels.
you use the parking brake to lock the wheels.
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WV CDL Tanker Test

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