CDL Practice Test


Prepare for your Nebraska CDL test here. You can take these Nebraska CDL practice test as many times you would like as you get ready to take the official test and earn your license. The best part? All of the tests on this site are 100% free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit.  You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

Which of the following is NOT a basic step to be taken at a crash scene?

2 / 40

Most states require school bus drivers to take a physical examination:

3 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

4 / 40

Which of the following should you NOT do if you experience a tire failure?

5 / 40

When is it best to wear your seat belt?

6 / 40

How should the hand valve be used?

7 / 40

You downshift automatic transmissions ______.

8 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

9 / 40

What handling effect will baffles have?

10 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

11 / 40

What is the purpose of cladding in a tanker?

12 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

13 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

14 / 40

Select the true statement about handling triples and doubles:

15 / 40

Which of the following statements about "Radioactive" labels is true?

16 / 40

When would you lock some emergency roof hatches in a partly open position?

17 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

18 / 40

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

19 / 40

Which of the following is the proper definition of a cargo tank?

20 / 40

Wet brakes can cause _____.

21 / 40

Overhead inside mirror is used to:

22 / 40

It has just reached freezing. Which of the following areas is slippery?

23 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

24 / 40

What is a common cause of tire fires?

25 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

26 / 40

Select the false statement about tractor protection valves.

27 / 40

It is important to know the outage required for the liquids you carry because:

28 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

29 / 40

What might happen if a trailer is too high when you try to couple?

30 / 40

Which of the following statements is true about speed management?

31 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

32 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

33 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

34 / 40

What school bus accidents should be reported?

35 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

36 / 40

When not towing a trailer, why should the tractor glad hands be locked?

37 / 40

What is the reason that placards are used?

38 / 40

What is the purpose of a baffle?

39 / 40

This object should not be worn dangerously thin where visible.

40 / 40

What can side to side surge cause?

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CDL Category Practice Tests

CDL Practice Test

How To Get A nebraska Commercial Drivers License

To be eligible for a CDL in Nebraska, applicants must be a minimum of 18 years old to operate a commercial vehicle within the borders of Nebraska and 21 to drive outside of Nebraska.

Applicants must provide verification that they meet the medical requirements. Applicants must complete (Form MCSA-5876) Medical Examiner’s Certificate with an FCSA-approved physician. The document must be completed in its entirety and submitted to the Nebraska Department of Motor Vehicles via mail, fax or e-mail.

There are also restrictions on who is able to earn a CDL in Nebraska based on their past driving record as well. Potential CDL applicants who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Nebraska.

H – Hazardous Material
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Towing a Double or Triple Trailer
X – Combination Tank Vehicle and Hazardous Materials

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nebraska CDL License Test Tips

All Nebraska CDL applicants must pass the written knowledge test prior to taking the skills test. There are 50 questions on the general knowledge test, and applicants must answer 40 questions correctly. To be eligible for an endorsement, applicants must take a separate test for each endorsement. Applicants must answer 80 percent of the questions on each test correctly.

The Nebraska skills test includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each evaluation. Recent military veterans and current military members can qualify to have the skills test waived if they were discharged from the military within the past year or are currently enlisted in the reserves or service. Or, they are eligible if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military. Applicants must complete an Application for Military Skills Test Waiver. This document must be certified by a commanding officer.

Additional Information

Information on the Nebraska Department of Motor Vehicles

The Nebraska Department of Motor Vehicles regulates the CDL license requirements in Nebraska. To get more information contact them via:


Phone: 402.471.3861

Contact Locations:


Additional Nebraska CDL Helpful Links

Please use the links below to access more valuable Nebraska CDL testing resources and to learn more about practice driving tests for the state of Nebraska.