Nebraska DMV CDL Doubles / Triples Quick Practice Test

Nebraska DMV CDL Doubles / Triples Quick Practice Test For 2025

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. When approaching a railroad crossing, you should:

Rely on warning signals to indicate if a train is approaching.
Rely on the actions of other motorists to indicate if a train is approaching.
Not rely solely on warning signals to indicate if a train is approaching.

2. What helps prevent wheel lockup when braking?

An Anti-Lock Braking System (ABS)
Air brakes
An alternator

3. When traveling down a steep grade, you switch into a lower gear:

Before beginning the grade.
When you have already started the grade.
As far down the grade as possible.

4. When a combination vehicle goes around a corner:

The turn should be made as tightly as possible.
The front and rear wheels move in different paths.
The rear wheels should run over the curb.
It is acceptable for street signs to be knocked over if they are too close to the road.

5. While driving, if you notice anything affecting safety or mechanics, you should:

Stay quiet and see if the problem goes away.
Make a written report that includes your concerns.
Try to fix the issue yourself.
Not use that part of the vehicle and hope others don't notice the problem.

6. The easiest way to recognize that your trailer has begun to skid is to:

Ask another driver.
Use your mirrors to determine if the trailer has left the lane.
Release the brake pedal and then push it down again.
Watch the jackknife warning light on the control panel.

7. When checking the engine compartment:

The parking brake should not be engaged.
Wheels should be chocked.
The engine should be running.
The gearshift should be in first gear.

8. Truck tractors with air brakes built on or after March 1, 1997 must have:

An Anti-Lock Braking System (ABS).
Bluetooth.
GPS.
A rear back-up camera.

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