FREE CDL Combination Vehicles Practice Test Online | Nebraska 2024 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 2021, 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.
2024 Nebraska | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Nebraska, you must already hold a CDL. Then, pass the Hazardous Materials Knowledge test. You'll also need to undergo a federal TSA background check. After clearance, you can apply for the endorsement at any Nebraska DMV office. Remember, the Hazmat endorsement must be renewed every five years.
To obtain a CDL Hazmat license, you must first hold a Commercial Driver's License (CDL). You must also be at least 21 years old, have U.S. citizenship or legal status, and be able to read and speak English. Additionally, you must pass the Hazardous Materials Knowledge Test and a TSA background check.
When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or legal status (passport, birth certificate, or resident card), your current CDL, and proof of residency in Nebraska. You'll also need a completed application form and the receipt from your TSA background check. Remember to bring payment for the endorsement fee.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test, known as the Hazardous Materials Endorsement Knowledge Test, covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. Passing this test is a requirement for obtaining the endorsement.
The CDL Hazmat endorsement written test covers a range of topics related to the transportation of hazardous materials. This includes understanding hazard classifications, shipping paperwork, loading and unloading procedures, emergency response procedures, and safety regulations. The test also covers the correct use of placards and labels to identify hazardous materials.
Yes, there are additional charges associated with acquiring a CDL Hazmat endorsement. These include the fees for the TSA background check, which can vary but is typically around $86.50, and the endorsement application fee, which is about $13.50 in Nebraska. These costs are in addition to any expenses for training or test preparation materials.
Yes, a background check and security clearance are mandatory for the CDL Hazmat endorsement. It's known as a Threat Assessment Program (TAP), conducted by the Transportation Security Administration (TSA). It includes fingerprinting and checks for criminal history, immigration status, and mental health issues. This ensures the individual is not a security threat.
Yes, to obtain a CDL Hazmat endorsement, you are required to undergo specialized training. This training covers handling hazardous materials, emergency response procedures, and safety protocols. After the training, you'll take a written test. If you pass, you'll receive the endorsement on your Commercial Driver's License (CDL).
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Nebraska, or anywhere in the United States. The endorsement ensures that drivers have the necessary training and knowledge to safely handle and transport hazardous materials. Failing to comply can lead to serious penalties, including fines and loss of commercial driving privileges.
Yes, you can add a Hazmat endorsement to your current CDL. You don't need to apply for a new CDL. However, you will need to pass the Hazmat knowledge test, undergo a TSA background check, and pay the required fees. Once these steps are completed, the endorsement will be added to your existing CDL.