Knowledge Test Class B #1
Class B Driving Test | Minnesota 2026 #1 Page 4 of 7
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 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 B requirements may vary from state to state.
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22 . When operating a CMV, it is illegal to have a blood alcohol content (BAC) of 0.04 percent or higher.
It is illegal to operate a CMV if your blood alcohol concentration (BAC) is 0.04 percent or higher.
23 . A person should have a license for each state in which they plan to operate a CMV.
A person may not have more than one license. All states share driver data in a computer database to prevent the issuance of duplicate licenses.
24 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
4 psi in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
25 . Mirrors should be checked:
Always check for traffic in your mirrors before changing lanes. Frequent mirror checks should be a part of your normal scanning routine.
26 . Once a vehicle is started, coolant temperature should steadily and quickly decrease.
After a vehicle is started, the coolant temperature should gradually begin to rise to a normal operating range.
27 . You may press more than one button to make a call from a cell phone while driving.
While driving, making a call on a hand-held phone or pressing more than one button to make a call on a hands-free phone are both prohibited activities.
28 . When starting a CMV, the oil pressure gauge should take about a minute to display a normal pressure level.
After starting an engine, the oil pressure should rise to a normal range within seconds. If your oil pressure is low, dropping, or fluctuating, you should immediately stop driving.
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2026 Minnesota | Frequently Asked Questions
To secure a CDL Bus endorsement in Minnesota, you must first hold a valid CDL. Next, you need to pass the passenger endorsement written test. After passing the test, you'll have to complete a skills test in the type of vehicle you'll be driving. Lastly, you must pass a background check if transporting school-aged children.
To obtain a CDL Bus license in Minnesota, you must have a valid driver's license and pass the CDL general knowledge test. Then, complete a training course specific to bus driving. After this, pass the passenger endorsement written test and a skills test in the type of bus you'll be driving. A successful background check is also required.
Yes, specific training is necessary for a CDL Bus endorsement in Minnesota. You need to complete a bus-specific training course and pass the passenger endorsement written test. Also, you'll have to pass a skills test in the actual type of bus you will be driving. The state recommends having some practical driving experience as well.
CDL Bus licenses in Minnesota fall under three classes: Class A, B, and C. Class A is for vehicles with a combined weight over 26,001 pounds where the towed vehicle is over 10,000 pounds. Class B is for vehicles over 26,001 pounds or vehicles transporting over 16 passengers. Class C is for vehicles designed to carry 16 or more passengers or hazardous materials not covered by A or B.
No, you cannot use your personal vehicle for the CDL Bus driving test in Minnesota. The vehicle you use for the test must match the type and class of bus you plan to drive after receiving your CDL. This is to ensure you can operate that specific type of bus safely and efficiently.
During the CDL Bus driving test in Minnesota, several skills are evaluated. These include pre-trip vehicle inspection, basic vehicle control, and on-road driving. You may be asked to execute specific maneuvers like turning, merging, backing up, and parking. Also, you'll be evaluated on interacting with traffic, using signals, maintaining safe speeds, and more.
Yes, to obtain a CDL Bus endorsement in Minnesota, you must pass a Department of Transportation (DOT) physical examination. This exam ensures that you are medically qualified to safely operate a commercial vehicle. It evaluates aspects like vision, hearing, blood pressure, and checks for conditions that might impair your driving ability.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Minnesota. Operating a commercial bus without the appropriate license and endorsement is illegal and can result in severe penalties, including fines and possible jail time. Always ensure your license is valid before driving a commercial bus.
Yes, the CDL Bus endorsement can be added to your existing Commercial Driver's License (CDL) in Minnesota. You don't need to apply for a new license. However, you are required to pass the Passenger Endorsement Knowledge Test and a skills test in a vehicle representative of the class of bus you wish to drive.
Yes, there are some restrictions for drivers with a CDL Bus endorsement in Minnesota. They must not have more than one license, the vehicle they drive must not be loaded beyond its designated capacity and they must comply with federal regulations regarding hours of service, including rest periods and maximum driving times.
