Air Brakes #1
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.
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1 . In a dual air brake system:
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:
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 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?
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:
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:
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.
2025 Nebraska | Frequently Asked Questions
To secure a CDL Bus endorsement in Nebraska, you must first possess a valid Commercial Driver's License (CDL). Then, pass the Passenger Transport Test, which covers the special driving skills and knowledge needed for safe passenger transport. Finally, pass a pre-trip inspection test and a skills test in a vehicle of the same type you will be driving.
To obtain a CDL Bus license in Nebraska, you must have a valid Nebraska driver's license. You'll need to pass the CDL general knowledge test, the passenger transport test, and a driving skills test in a bus-like vehicle. Also required are a medical examination and a background check. You must be at least 21 years old for interstate driving.
While Nebraska doesn't mandate specific training for a CDL Bus endorsement, it's beneficial to undergo professional training. It prepares you for the written and skills tests. You must have a valid Nebraska CDL, pass the passenger transport test, and demonstrate driving skills in a similar vehicle. A medical examination and background check are also required.
CDL Bus licenses are classified into three main categories: Class A, Class B, and Class C. Class A is for vehicles with a combined weight of 26,001 pounds or more. Class B is for vehicles designed to transport 16 or more passengers, including the driver. Class C is for smaller vehicles that do not fit into the first two classes but transport 16 or more passengers.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle used must match the class and type of vehicle you will be driving with your CDL. For instance, if you're testing for a passenger bus endorsement, you must use a passenger bus for your test.
The CDL Bus driving test in Nebraska assesses various skills including pre-trip vehicle inspection, basic vehicle control, and on-road driving. You'll be tested on maneuvers like turning, merging, and backing up. The examiner also checks your ability to obey traffic laws, use mirrors, handle intersections, respond to changing traffic conditions, and manage passenger safety.
Yes, additional medical and physical prerequisites are necessary for a CDL Bus endorsement. Drivers must pass a Department of Transportation (DOT) physical examination every two years. This exam evaluates vision, hearing, blood pressure, and medical conditions that could affect driving ability, such as epilepsy or heart disease.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Nebraska. The law requires anyone driving a vehicle designed to carry 16 or more passengers (including the driver) to hold a valid CDL with a Passenger (P) endorsement. Driving without the appropriate license or endorsement can result in legal penalties.
Yes, a CDL Bus endorsement can be added to your existing commercial driver's license in Nebraska. It requires passing the Passenger Endorsement Knowledge Test and a skills test in the type of vehicle you'll be driving. You don't need to apply for a new CDL, but there might be additional fees for the endorsement.
Yes, there are several restrictions for drivers with a CDL Bus endorsement in Nebraska. Drivers must not have any serious traffic violations within the last two years. Additionally, they must pass a Department of Transportation physical examination every two years, and maintain a clean driving record. Any failure to comply with these restrictions can lead to the loss of their endorsement.