Combination #2
Combination Vehicles Practice Test | Nebraska 2024 #2 Page 2 of 4
Train for FREE online with our Nebraska CDL combination vehicle 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 combination license in 2024, 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 DMV requirements for issuing a combination license may vary from state to state.
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7 . What is a tractor protection valve?
A valve that prevents the trailer from accidentally being released
In a combination vehicle with air brakes, the tractor protection valve keeps air in the tractor or truck brake system in the event of the trailer breaking away or developing a leak.
8 . An air supply control lever should be in its "normal" position when you are:
Using your spring brakes.
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "normal" position, it is properly set for you to pull a trailer.
9 . Using the trailer hand brake while experiencing a trailer jackknife will:
Continue the skid.
If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.
10 . Trailers with low underneath clearance can present challenges when driving over:
Railroad-highway crossings may be difficult to cross when pulling a trailer with a low underneath clearance. In particular, both low-slung units and single-axle tractors pulling long trailers are especially challenging to drive over raised crossings.
11 . A driver should test the tractor protection valve by:
You should test the tractor protection valve by allowing the air supply to properly charge, turning off the engine, then releasing air from the system by pressing the brake pedal several times. The tractor protection valve should move into its emergency position when psi drops to an unsafe level.
12 . To lower the risk of a rollover, you should:
Stack the cargo as high as possible.
To lower the risk of a rollover, load your cargo as closely to the ground as possible. To further reduce this risk, take curves and corners slowly.
See the exact questions that will be on the 2024 Nebraska DMV exam.
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2024 Nebraska | Frequently Asked Questions
A CDL Class A license in Nebraska allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed exceeds 10,000 pounds. It is typically used for driving tractor-trailers, truck and trailer combinations, and livestock carriers.
A Class A CDL license in Nebraska allows the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, and livestock carriers. It can also be used to drive flatbeds, and vehicles towing trailers or other vehicles over 10,000 pounds. However, certain endorsements may be required for specific types of vehicles.
To obtain a Class A CDL license in Nebraska, you must be at least 18 years old (21 for interstate driving), possess a valid Nebraska driver's license, pass a vision exam, and complete a written knowledge test. You also need to pass a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam.
In Nebraska, you must be at least 18 years old to qualify for a Class A CDL license. However, if you plan to drive across state lines or handle hazardous materials, federal regulations require you to be at least 21 years old.
No specific endorsements are required for a Class A CDL license in Nebraska. However, certain types of driving jobs may require specific endorsements. For instance, hauling hazardous materials requires an H endorsement, transporting passengers requires a P endorsement, and driving tank vehicles requires an N endorsement. These endorsements require additional testing.
The Class A CDL skills test in Nebraska encompasses three main parts: the vehicle inspection test, the basic controls test, and the road test. The vehicle inspection test checks your ability to assess the safety of a commercial vehicle. The basic controls test evaluates your ability to maneuver and control the vehicle. The road test assesses your on-road driving skills.
Yes, Class A CDL license holders in Nebraska may face certain limitations based on their skills and medical conditions. For instance, if they can't operate a manual transmission, they'll get an automatic transmission restriction. If they fail the air brakes knowledge test or skills test, they'll get an air brakes restriction. Also, medical conditions might limit their driving privileges.
In Nebraska, the written Class A CDL test is primarily administered in English, following federal regulations. However, the Nebraska Department of Motor Vehicles (DMV) provides an interpreter for those who cannot understand or read English. It's important to contact your local DMV office in advance to request this service.
Yes, you can request accommodations for the Class A CDL written test in Nebraska if you have a disability. The Nebraska Department of Motor Vehicles (DMV) complies with the Americans with Disabilities Act (ADA) and provides reasonable accommodations to individuals who require them. To request accommodations, you should contact your local DMV office ahead of your test date.
If you don't pass the Class A CDL written test in Nebraska on your first try, you can retake it. However, you must wait at least one day before retesting. There is no limit on the number of times you can retake the test, but keep in mind each attempt requires a new fee.
