Combination Vehicles Practice Test | Nebraska 2024 #1

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.

Number of Question 25

Passing Score 20

Number of Tests 20

1 . What is a bobtail?

A tractor without a semi-trailer

A tractor with two semi-trailers

A tractor that goes faster than the speed limit

A tractor that goes slower than the speed limit

Tractors without semi-trailers are referred to as bobtail tractors. Operating a bobtail tractor requires drivers to exercise caution.

2 . To help prevent a rollover, cargo should be:

Placed as high as possible inside a trailer.

Placed as low as possible inside a trailer.

Placed on the driver’s side of a trailer.

If a vehicle is top-heavy, it is more likely to roll over. The weight of cargo should be positioned as low in a trailer as possible to minimize this risk.

3 . To help prevent rollovers, you should:

Accelerate quickly after stopping.

Drive slowly around turns.

Keep the load near the back of the trailer.

Keep the load on one side of the trailer.

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.

4 . To prevent a trailer from rolling over, you should:

Speed up when nearing a corner.

Make sudden steering moves.

Take on-ramps faster than the posted speed limit.

Drive slowly around corners.

To reduce the risk of a rollover when driving a combination vehicle, you should keep the weight of the cargo as low to the ground as possible and drive slowly around turns.

5 . What is a tractor protection valve?

A valve to keep air in the brake system should there be a bad leak

A valve that prevents the truck from being stolen

A valve that prevents the driver from going too fast

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.

6 . Using the trailer hand brake while experiencing a trailer jackknife will:

Stop the skid.

Straighten the trailer.

Increase traction.

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.

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2024 Nebraska | Frequently Asked Questions

To acquire a CDL Tank endorsement in Nebraska, you must first have a Commercial Driver's License (CDL). Then, study the Tank Vehicle section of the Nebraska CDL Handbook. After studying, schedule and pass the Tank Endorsement written test at a Nebraska DMV office. The test generally covers material related to the safe operation of tank vehicles.

To obtain a CDL Tank license in Nebraska, you must have a valid Commercial Driver's License (CDL). You will then need to pass the Tank Vehicle Endorsement Test, which covers federal and state regulations for transporting liquid or gaseous materials. Lastly, you may be required to pass a driving test in a vehicle representative of the one you will be operating.

While Nebraska doesn't specifically mandate training or prior experience for a CDL Tank endorsement, it's highly recommended to undergo training to pass the Tank Vehicle Endorsement Test. This test covers specific rules and safety protocols for transporting liquid or gaseous materials. Some employers may also require specific experience or training before hiring.

Yes, in Nebraska, to obtain a CDL Tank endorsement, you must pass the Tank Vehicle Endorsement Test. This written exam focuses on federal and state regulations related to safely transporting liquid or gaseous materials. It covers topics like inspecting tank vehicles, safe driving, and handling emergencies. Preparation for this test is crucial for success.

The written test for the CDL Tank endorsement in Nebraska includes subjects such as inspecting tank vehicles, recognizing leaks, driving tank vehicles (including high center of gravity and surge), and safe handling and emergency protocols for liquid or gaseous materials. The test is designed to ensure drivers understand the specific safety requirements for operating tank vehicles.

The CDL Tank endorsement assessment specifically tests your knowledge on safe driving rules and procedures for tank vehicles. This includes understanding the vehicle's high center of gravity, managing surge, inspecting and recognizing leaks, and handling emergencies. However, unlike other endorsements, there is no separate skills or road test for the Tank endorsement; the knowledge is assessed through a written exam.

A CDL Tank endorsement allows a driver to operate a commercial motor vehicle designed to transport any liquid or gaseous materials within a tank. However, if the material is hazardous, the driver must also have a Hazardous Materials (HazMat) endorsement. Additionally, drivers are subject to federal regulations regarding hours of service, vehicle maintenance, and safety inspections.

No, it's illegal to transport liquid or gas materials without a valid CDL Tank endorsement in Nebraska. This endorsement is required for drivers who wish to operate a tank vehicle, which is defined as any commercial vehicle that is designed to transport any liquid or gaseous materials within a tank or tanks. Violation of this requirement can result in serious penalties.

The CDL Tank endorsement can be added to your existing Commercial Driver's License (CDL). You don't need to apply for a new CDL. However, you must pass the Tank Vehicle written test. After passing, the Tank endorsement will be added to your CDL, expanding the range of vehicles you're authorized to drive.

Yes, if you're handling hazardous materials with a CDL Tank endorsement, you also need a Hazardous Materials (HazMat) endorsement. To obtain this, you must pass a written test and a TSA background check. Also, you must follow federal safety regulations regarding transportation and handling of hazardous materials to ensure safety and prevent environmental damage.