Nebraska DMV CDL General Knowledge Quick Practice Test 4

Nebraska DMV CDL General Knowledge Quick Practice Test 4 For 2024

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 are people usually the least alert?

In the morning
In the early evening
Late at night

2. When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:

The yellow light on the left rear of the trailer stays on.
The red light on the right side of the trailer flashes three times.
All the rear lights flash and then turn off.

3. If loading cargo that will not entirely fill up a trailer, the cargo should be placed:

At the front of the trailer.
At the rear of the trailer.
In the middle of the trailer.
Anywhere in the trailer.

4. Texting while driving is:

Allowed if you are contacting your employer.
Allowed when driving on rural roads.
Not allowed.

5. Tires of mismatched sizes:

Can be used only on a front axle.
Can be used only on a trailer's axles.
Should be corrected before driving.
Improve fuel economy.

6. When parked on the side of the road, you should:

Use only the rear flashing lights.
Use one set of turn signals.
Use your high beam headlights.
Use your four-way flashers.

7. Air tanks usually hold enough compressed air:

For one stop before needing to be refilled.
For several stops before needing to be refilled.
For a day’s worth of braking.
For an unlimited number of stops.

8. The two indicators that determine when you should upshift are:

Engine speed and road speed.
Other trucks and driving conditions.
Timing and road position.

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