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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 parked on the side of the road, you should:
turn off all lights.
flash your brake lights.
activate the right turn signal.
use the 4-way emergency flashers.
2. Fully loaded rigs:
are less likely to roll over than empty rigs.
are just as likely to roll over as empty rigs.
are much more likely to roll over than empty rigs.
None of the above.
3. To make sure you know how to inspect your tank vehicle, you should:
phone the manufacturer before the inspection.
check the vehicle's operator manual.
use a helper whenever possible.
ask your supervisor what you should inspect first.
4. To prevent rollover, you should:
go slowly around turns.
drive slowly around on ramps and off ramps.
keep the cargo as close to the ground as possible.
All of the above.
5. What is Gross Vehicle Weight?
The total weight of the cargo
The total weight of a single vehicle, including its load
The total weight of a single vehicle, excluding its load
The total weight of a combination of vehicles excluding the load
6. How can drivers help control surge?
By braking far in advance of a stop.
By releasing the brakes soon when coming to a stop.
By decreasing following distance.
All of the above.
7. Empty trucks:
require greater stopping distances than full trucks.
stop quicker when you use only the emergency or parking brake.
have more traction than full trucks.
None of the above.
8. To prevent drowsiness you should:
never drive with a passenger.
get adequate sleep before a trip.
schedule trips for the middle of the night.
avoid exercise to save more energy.
9. Forward-and-back liquid surge is very strong in:
unbaffled tanks.
baffled tanks.
dry tanks.
All of the above.
10. To keep your vehicle from rolling back when you start, you should:
apply the emergency brake whenever necessary.
turn the engine off before you take your foot off the brake.
pump the brakes.
partly engage the clutch before you take your foot off the brake.
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WV Tanker Test

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