Air Brakes Endorsement Test | Nebraska 2025 #1

Train for FREE online with our Nebraska CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NE Class A/Class B driver license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . In a dual air brake system:

Air tanks are shared between both systems.

Each system has its own air tanks.

You must designate which system you are using.

There are two air brake systems in a dual air brake system. The systems share a set of brake controls, but each system has its own tanks, hoses, and lines.

2 . During a static leakage test, the maximum leakage rate for a double combination vehicle is:

3 psi in one minute.

6 psi in one minute.

8 psi in one minute.

4 psi in one minute.

When performing a static leakage test on a double combination vehicle with air brakes, the leakage rate should be no more than 3 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.

3 . To stop in a vehicle that uses air brakes, the driver should:

Pull the air brake lever.

Engage the brake lever.

Push the brake pedal down.

Pull the brake pedal up.

To make a normal stop in a vehicle with air brakes, push the brake pedal down. The harder the pedal is pressed, the more air pressure is released.

4 . What tells you how much pressure is in your vehicle's air tanks?

The supply pressure gauge

The ABS malfunction lamp

The tractor protection valve

A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.

5 . Both systems in a dual air brake systems share:

Air tanks.

Hoses.

Air lines.

An air compressor.

Both systems in a dual air brake system share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.

6 . A tank endorsement is:

Only required when transporting gases.

Only required when transporting liquids.

Required when transporting both liquids and gases.

Optional when transporting hazardous materials.

With some exceptions, you must have a tank endorsement to transport liquids or gases. This applies to both hazardous and non-hazardous substances.

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2025 Nebraska | Frequently Asked Questions

To acquire a CDL Passenger endorsement in Nebraska, you need to first have a Commercial Driver's License (CDL). Then, you must pass a written passenger endorsement test. Once you pass, you'll need to take a skills test in the type of vehicle you plan on driving. The Nebraska Department of Motor Vehicles administers these tests.

To obtain a CDL Passenger license in Nebraska, you must be at least 21 years old, possess a valid Nebraska driver's license, and pass a vision test. You need to pass the CDL general knowledge test and the passenger transport test. Finally, you must successfully complete a skills test in a vehicle of the same type you plan to drive.

While Nebraska doesn't mandate specific training to secure a CDL Passenger endorsement, it's highly recommended. You need to understand and demonstrate knowledge on topics like vehicle inspection, loading/unloading passengers, and emergency procedures. Experience driving similar vehicles can be beneficial, but the key is passing the written test and skills test administered by the Nebraska DMV.

Yes, to obtain a CDL Passenger endorsement in Nebraska, you must pass a Passenger Transport written test, which covers topics like vehicle inspection, loading and trip start, on the road and after-trip vehicle inspection. This test is in addition to the general knowledge test required for the CDL itself.

During the CDL Passenger endorsement assessment, you'll need to showcase skills like pre-trip vehicle inspection to ensure safety, proper use of mirrors and signals, backing up safely, executing turns and stops smoothly, and loading/unloading passengers safely. You'll also need to demonstrate knowledge of emergency procedures and passenger comfort considerations.

No, it's illegal to transport passengers commercially without a valid CDL Passenger endorsement in Nebraska. This endorsement is required for drivers of vehicles designed to carry 16 or more passengers, including the driver. Violating this rule can result in severe penalties, including fines and suspension of your CDL.

Yes, you can add the CDL Passenger endorsement to your existing license. You will need to pass a written test specific to the endorsement. Additionally, you'll also have to successfully complete a skills test in the vehicle class you wish to be licensed for. It's not a new application, just an addition to your existing CDL license.

Yes, drivers with a CDL Passenger endorsement are subject to specific restrictions. They must not have more than one license, their license must not be suspended, revoked or cancelled, and they must not have any traffic violations related to the operation of passenger vehicles. Drivers are also required to maintain a log book and adhere to hours-of-service regulations.

Yes, to acquire a CDL Passenger endorsement in Nebraska, you must be at least 21 years old. This is because the endorsement allows for interstate travel which requires the driver to be 21 or older. Additionally, you must have a valid Nebraska Commercial Driver's License and pass the passenger transport test.

With a CDL Passenger endorsement, you'll be eligible to operate a wide range of passenger vehicles. This includes buses, shuttles, and any other vehicle designed to transport 16 or more passengers, including the driver. It also allows you to drive vehicles used for public or private transportation, like school buses if you also have a School Bus endorsement.