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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Nebraska 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 Nebraska CDL Manual. Take this practice test now to prepare for the actual NE CDL combination test!
1. Never drive with landing gear only part way up. Why?
It must be exactly 5 feet off the ground.
It may be harder to use.
It may catch on railroad tracks.
It makes it harder to brake.
2. As part of the final air brake check, you should:
Check air compressor governor cut-in and cut-out pressure.
Test low pressure warning signal.
Test air leakage rate.
All of the above.
3. When parking, you should choose a spot:
that requires backing up.
that allows you do a walk around inspection.
that allows you to pull forward when you leave.
All of the above.
4. If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
to one side and as close to the ground as possible.
loaded so there is a high center of gravity.
piled up high with heavy cargo on top.
centered and spread out as much as possible.
5. When driving a combination vehicle, which of the following 2 things will help you prevent a rollover?
Keeping cargo near the center of the vehicle and driving slowly on the highway.
Keeping cargo near the center of the vehicle and driving slowly on turns.
Keeping the cargo near the ground and driving slowly around turns.
Keeping cargo near the ground and driving slowly on the highway.
6. Empty trucks:
may have poor traction.
have better traction than fully-loaded trucks.
require shorter stopping distances than fully-loaded trucks.
None of the above.
7. Combination vehicles usually require _________ single commercial vehicles.
the same level of skill as
more driving skill than
less driving skill than
None of the above.
8. You are inspecting your vehicle during a trip. What should you do?
Watch gauges for signs of trouble.
Check critical items such as tires, brakes, and lights.
Use your senses to check for problems.
All of the above.
9. To avoid rollovers, you should drive slowly:
on ramps.
off ramps.
around corners.
All of the above.
10. The trailer hand valve should be used only:
only in combination with the foot brake.
to test the trailer brakes.
in driving to prevent skids.
when the trailer is fully loaded.
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NE CDL Combination Test

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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