Knowledge Test Class A #1
Class A Driving Test | Minnesota 2026 #1 Page 6 of 7
Train for FREE online with our Minnesota class A 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 A permit in 2026, 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 A requirements may vary from state to state.
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36 . It is normal for fresh oil to be found on the pavement under a vehicle.
When approaching your vehicle before a trip, you should look underneath it to make sure there are no fresh oil, coolant, grease, or fuel leaks on the ground. Leaks can indicate unsafe defects on a vehicle.
37 . To use the stab braking method, you should:
Apply the emergency brake until the vehicle starts to slow.
The stab braking method for emergency stops involves fully applying the brakes until they lock up. The brakes are then released until the wheels start rolling, and then the process is repeated.
38 . Header boards are used to protect the driver from cargo in the event of a crash.
The function of a front-end header board (also called a "headache rack") is to protect the driver from being injured by moving cargo in the event of a crash or sudden stop.
39 . Friction inside a brake drum is caused when the brake shoes and linings:
Create excess heat.
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
40 . When driving on a long downhill slope, you should brake by:
When approaching a long downgrade, you should shift into a lower gear then use proper braking techniques. Using the brakes alone could cause them to overheat and fail. The braking power of the engine, which is maximized by being in a lower gear, will be the principal way of controlling your speed on a downgrade.
41 . As part of the vehicle inspection test, a CDL applicant may be asked to:
Replace spark plugs.
While testing for a CDL, an applicant will be required to go through a full vehicle inspection. The vehicle inspection test will include an engine oil level check.
42 . Water should be added to the compressed air in an air brake system to improve the effectiveness of the system.
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.
2026 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.