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West Virginia
West Virginia CDL Combination 1
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Q.1
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To prevent a trailer from rolling over, you should:
Speed up when nearing a corner.
Make sudden steering moves.
Take on-ramps faster than the posted speed limit.
Drive slowly around corners.
Q.2
Submit
In a double or triple combination:
Cargo weight must be evenly distributed between all trailers.
The heaviest trailer should be positioned directly behind the cab.
The heaviest trailer should be positioned in the rear.
The weight of the trailers does not matter.
Q.3
Submit
Large combination vehicles take the longest amount of time to stop:
When fully loaded.
When partially loaded.
When empty.
When mostly loaded.
Q.4
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Avoid needing to make sudden lane changes by:
Using your horn to encourage other drivers to move out of your lane.
Only driving slower than the posted speed limit.
Watching the road ahead while driving.
Pulling off the road and waiting when there is high traffic.
Q.5
Submit
The service air line is attached to the:
Relay valves.
Supply line.
Emergency air line.
Steering wheel.
Q.6
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A loss of air pressure in the emergency line will cause:
The suspension springs to extend.
The tractor protection valve to open.
The rear trailer to detach from the combination.
The emergency brakes to activate.
Q.7
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Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Need more space to turn and stop.
Drive more slowly.
Are twice the width.
Swerve more often.
Q.8
Submit
To lower the risk of a rollover, you should:
Load the cargo as far forward as possible.
Load the cargo as far back as possible.
Load the cargo as low as possible.
Stack the cargo as high as possible.
Q.9
Submit
An Anti-Lock Braking System (ABS):
Allows wheels to lock up.
Prevents wheels from locking up.
Makes it easier to turn a large vehicle.
Assists with the operation of brake lights.
Q.10
Submit
If unsure if a trailer is equipped with ABS, you can:
Check under the trailer for wheel speed sensors coming from the back of the brakes.
Try driving on a slippery surface and see if ABS kicks in.
Assume it does have ABS.
Remove a tire and look for the ABS sensor on the axle.
Q.11
Submit
An air supply control lever should be in its "normal" position when you are:
Changing a tire.
Applying the trailer emergency brakes.
Pulling a trailer.
Using your spring brakes.
Q.12
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If your trailer goes off course while you are backing, you should:
Continue the backing process without changing anything.
Pull the truck forward, readjust, and start backing again.
Get out of the truck and move the trailer into the right position.
Turn the steering wheel all the way to the left until the trailer straightens out.
Q.13
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Operating a combination vehicle usually requires ____ operating a single vehicle.
Less skill than
About the same level of skill as
More skill than
Exactly the same level of skill as
Q.14
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If a trailer begins to skid, the driver should:
Lock the brakes.
Release the brakes.
Steer in the opposite direction.
Accelerate.
Q.15
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When connecting a converter dolly to a second or third trailer, the trailer height should be:
Slightly higher than the center of the fifth wheel.
Level with the center of the fifth wheel.
Slightly lower than the center of the fifth wheel.
Next to the center of the fifth wheel.
Q.16
Submit
Fully-loaded rigs:
Are less likely to roll over than empty rigs.
Are more likely to roll over than empty rigs.
Are just as likely to roll over as empty rigs.
Should not be driven.
Q.17
Submit
What is off-tracking?
When a vehicle’s front wheels follow a different path than its rear wheels
When a vehicle's wheels all follow the exact same path
When a load shifts during a turn
When a vehicle's wheels run over a curb during a turn
Q.18
Submit
Look for matching colors when coupling glad hands. Service lines are often:
Green.
Orange.
Red.
Blue.
Q.19
Submit
When lightly loaded, combination vehicles:
Should not be driven.
Have reduced braking capabilities.
Will not rollover.
Should be loaded with most of the weight in the rear of the trailer.
Q.20
Submit
The best way to recognize that your trailer has begun to skid is by:
Seeing other drivers' faces.
Seeing it in your mirrors.
Feeling it.
Listening to the radio.
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