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Drivers who want to drive combination vehicles must pass the combination vehicles test. The West Virginia CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the West Virginia CDL Manual. Take this practice test now to prepare for the actual WV CDL combination test!
1. Banked curves:
can be taken at any speed.
are reserved for pedestrians.
have a safe "design speed".
should always be avoided.
2. Off-tracking is:
when the tires lose their contact with the road and have little or no traction.
when a vehicle towing a trailer skids, and the trailer pushes the towing vehicle from behind until it spins the vehicle around.
when a vehicle makes a turn and the rear wheels of the trailer end up driving in a different path than the tractor and the front wheels of the trailer.
None of the above.
3. Empty trucks:
require shorter stopping distances than fully-loaded trucks.
may have poor traction.
have better traction than fully-loaded trucks.
None of the above.
4. Which of the following makes a rollover more likely?
Keeping the load centered on your rig
Keeping the cargo as close to the ground as possible
Driving slowly around turns
Driving quickly around turns
5. What is a pull up when referring to truck driving?
A specific maneuver used to decelerate smoothly in the exit lane.
A driving maneuver used to pull your vehicle over to the side of the road and stop.
Using the speedometer to know when to shift up.
When a driver stops and pulls forward to get a better position.
6. When uncoupling, after you unlock the fifth-wheel you should:
pull the tractor partially clear of the trailer.
chock the trailer wheels.
pull the tractor clear of the trailer.
ease the pressure on the locking jaws.
7. When checking the lights before driving:
make sure the parking brake is not set.
the engine must be running.
you should check them from inside the vehicle.
you should turn off the engine.
8. If your ABS is not working:
it will slow your truck to a halt and force you to pull over.
you still have normal brake functions, and should drive and brake as you always have.
you should immediately bring your vehicle to a complete stop.
the drive wheels will begin to spin, and you should take your foot off the accelerator.
9. A high center of gravity means:
the spring brakes will come fully on.
a rollover is less likely.
you are more likely to tip over.
you'll have better traction.
10. What is the emergency air line for?
It tells you the amount of brake pressure you need to stop the vehicle.
It supplies air to the trailer air tanks, and controls the emergency brakes on combination vehicles.
It controls theĀ front brakes of the tractor in case of an emergency.
All of the above.
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WV CDL Combination Test

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