Class B Driving Test | Minnesota 2025 #1

Train for FREE online with our Minnesota class B license 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 MN CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . What is the minimum number of tie-downs required to secure a 10-foot piece of cargo?

One

Two

Three

On flatbed trailers and trailers without sides, cargo must be tied down. There should be at least one tie-down for every 10 feet of cargo. Regardless of the size of the cargo, at least two tie-downs must be used.

2 . ABS brakes:

Help you avoid wheel lockup.

Lock up your vehicle's wheels.

Prevent your vehicle from accelerating when going uphill.

The purpose of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface.

3 . Which of the following surfaces provides the least amount of traction?

Ice that is dry

Ice that is wet

Wet pavement

Dry pavement

Be especially cautious when driving on ice that has begun to melt. Ice that is wet is much more slippery than ice that is dry.

4 . There is no penalty for refusing to undergo blood alcohol testing.

True

False

Minnesota has an Implied Consent Law, which means that by operating a vehicle in the state, you are understood to have consented to a chemical test if authorities ask you for one. If you refuse to submit to a test, you will be disqualified from operating a CMV for one year and your driver license will be revoked for one year.

5 . The two markings on a front brake limiting valve usually read:

"Normal" and "slippery."

"Low" and "high."

"Left" and "right."

Some vehicles with air brake systems manufactured before 1975 have a front brake limiting valve with "normal" and "slippery" settings.

6 . Bridges usually:

Do not freeze.

Have heaters to prevent them from freezing.

Freeze before other surfaces.

Bridges tend to freeze before other parts of the road surface. You should be especially careful on bridges when temperatures are near the freezing point.

7 . When backing a truck, you should:

Only use the side mirrors on the driver’s side.

Use both side mirrors.

Not use a helper.

Only use the mirror on the passenger's side.

To remain aware of hazards behind your vehicle when backing, you should frequently check your mirrors on both sides of the vehicle. Have a helper watch your blind spots whenever possible.

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2025 Minnesota | Frequently Asked Questions

To acquire a CDL Tank endorsement in Minnesota, you must first possess a valid Commercial Driver's License (CDL). Then, study the Minnesota CDL handbook's tank vehicle section. Afterward, schedule and pass a Tank Vehicle written test at your local Department of Motor Vehicles (DMV). Successful completion of the test will add the endorsement to your CDL.

Obtaining a CDL Tank license requires a valid Commercial Driver's License (CDL). You must study the tank vehicle section of the CDL handbook thoroughly. After understanding the material, schedule and pass a Tank Vehicle written test at your local DMV. Once you pass the test, the tank endorsement will be added to your CDL.

While specific training or experience isn't mandatory for a CDL Tank endorsement, it's highly beneficial. Understanding the material in the tank vehicle section of the CDL handbook is crucial. Passing the Tank Vehicle written test at your local DMV is required. Practical experience or training can help you better understand the rules and operations, increasing your chances of passing the test.

Yes, to obtain a CDL Tank endorsement in Minnesota, applicants must pass a specific written knowledge test. This test focuses on the safe transportation of liquid and gaseous materials. It's administered by the Minnesota Department of Public Safety and is in addition to the general CDL requirements.

The written test for a CDL Tank endorsement covers a variety of topics, including the inspection of tank vehicles, correct loading and unloading procedures, driving stability and handling, and the correct response to emergencies or hazardous conditions. It's key to study these areas thoroughly to pass the test and obtain your endorsement.

The CDL Tank endorsement assessment doesn't typically involve a skills or driving test. It focuses on the written exam which tests knowledge on specific topics like inspecting tank vehicles, understanding weight distribution, handling high center of gravity, and dealing with surge. However, general CDL testing will assess your ability to safely operate and maneuver the vehicle.

Yes, there are certain limitations for drivers with a CDL Tank endorsement. For example, they are only allowed to operate vehicles that carry liquid or gaseous materials in a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more. They must also adhere to strict safety and operational regulations.

No, liquid or gas materials cannot be transported without a valid CDL Tank endorsement. If a driver is caught transporting these materials without the proper endorsement, they could face serious penalties such as fines, suspension of their CDL, or even jail time. This endorsement is crucial for safety and regulatory compliance.

To add the CDL Tank endorsement to your current license in Minnesota, you will need to complete a fresh application. You must pass the written knowledge test specific to the Tank endorsement and provide the necessary documentation. Additionally, you may need to pass a skills test depending on the type of tank vehicle you will be operating.

Yes, handling hazardous materials with a CDL Tank endorsement requires additional training and certification, known as a Hazmat endorsement. This ensures drivers are knowledgeable about the risks and safety procedures associated with transporting hazardous materials. Additionally, a federal background check is required to obtain a Hazmat endorsement.