CDL Practice Test


As you prepare to earn your CDL in the state of Minnesota you’ll need to study for the written portion of the Minnesota CDL test. This site offers MN CDL practice tests to help you on your journey. Use this site as a study guide as you prepare to take the CDL Test in Minnesota. Questions on these practice tests cover topics from the MN CDL manual. You can take these practice tests as many times as you need to and the tests are free. Good luck as you look to obtain your Minnesota CDL. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the “Start Test” button below to begin.

1 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

2 / 40

The parking brakes should be used____in air brake vehicles.

3 / 40

Where are shut off valves located on trailers that are doubles or triples?

4 / 40

While driving at night, which lights should you use as often as you can?

5 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

6 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

7 / 40

In the event of a tire failure you should...

8 / 40

The most dangerous time during the school bus ride is:

9 / 40

Front wheel brakes are good under what kind of conditions?

10 / 40

When inspecting your bus, you must make sure that:

11 / 40

Select what you should not do when coupling the glad hands.

12 / 40

What are the liquid tight separations between compartments inside tanks called?

13 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

14 / 40

What is the safest way to stop unruly behavior on the bus?

15 / 40

Select the true statement about handling triples and doubles:

16 / 40

Charter drivers should not:

17 / 40

If you are stopped on an incline, how can you start moving without rolling back?

18 / 40

You must keep shipping papers describing hazardous materials ______.

19 / 40

Which of the following is not a prohibited practice on the bus:

20 / 40

If you have riders on board, you must never refuel:

21 / 40

What can side to side surge cause?

22 / 40

These tires should have a minimum tread depth of 4/32 inches.

23 / 40

A disruptive passenger:

24 / 40

What color are all school buses painted?

25 / 40

How do you check the power steering fluid?

26 / 40

When you discharge an unruly passenger, you must choose a place that is:

27 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

28 / 40

What is a king pin?

29 / 40

How should the pintle hook be when backing a dolly under the second trailer?

30 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

31 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

32 / 40

Which of the following statements is FALSE?

33 / 40

The method for testing hydraulic brakes for leaks is to _____.

34 / 40

Select how you would check the truck's slack adjusters.

35 / 40

If your bus is equipped with an emergency exit door, it must:

36 / 40

The safety valve is usually set to open at:

37 / 40

Which of the following is NOT an appropriate reason to flash your braking lights?

38 / 40

Select the two things that are important in preventing a rollover:

39 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

40 / 40

A minimum tread depth of 2/32 inch is required for:

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CDL Category Practice Tests

CDL Practice Test

How To Get A minnesota Commercial Drivers License

Minnesota has set specific requirements of a CDL license for the operation of specific vehicles. The first is a combination vehicle that exceeds a gross weight of 26,000 pounds. Any single vehicle that exceeds the 26,000 pounds also requires a CDL. Vehicles intended to transport more than 15 passengers, including the driver, fall under the commercial driver’s license requirement. Any vehicle that requires hazardous material placards must be driven by a CDL driver. Lastly, any school bus driver must have their CDL. Applicants may file for a Class A, B, or C commercial driver’s license. Each class has its own restricts for the vehicle size and type that may be legally driven.All applicants must be 18 years of age or older to apply for a commercial driver’s license. A Hazardous Materials Endorsement may only be obtained by those who are 21 years of age or older. All applicants must possess a DOT medical card or submit a medical examiner certificate upon applying for their commercial driver’s license.

Driving Record And Disqualifications 

  • Any conviction of driving an impaired vehicle within the past 24 months.
  • Current license is suspended, denied, canceled, or revoked.
  • Possessing a driver’s license from another state.

All CDL applicants must pass one or more knowledge tests and skills test to be eligible to receive their CDL.

H – Hazardous Materials
N – Tank Vehicle
P – Passenger Transport
S – School Bus
T – Doubles / Triples
X – Tanker and Hazardous Materials

Hit the Open Road

minnesota CDL License Test Tips

All applicants will be required to take one or more knowledge tests depending on the class and the endorsements they wish to obtain. Knowledge tests are given on paper and on the computer. All Class applicants must complete a 50 question knowledge test, with Class A applicants also required to complete 20 questions about combination vehicles. Endorsements require their own specific tests. For Passenger, Doubles/ Triples, and Tank Vehicle Endorsements applicants will be given a 20 question test. For School Bus Endorsement and Air Brake Restriction Removal a 25 question test will be given. A Hazardous Materials Endorsement requires a 30 question test. Test scores of 80 percent and higher are considered passed.

A skills test is required of all applicants to be taken in the type of vehicle in which they are seeking certification. The skills test is given in three different phases. These include the pre-trip inspection, basic control skills, and the road test. Applicants must pass all three phases of the skills test to receive their CDL. Additional skills tests are required for specific endorsements. These include Passenger and School Bus Endorsements as well as the Air Brake Restriction Removal.

Additional Information

Information on the Minnesota Department of Public Safety

The Minnesota Department of Public Safety provides administers CDL license requirements in Minnesota. To get more information contact them via:

Website:  https://dps.mn.gov/divisions/dvs/Pages/drivers-license-information.aspx#ClassA

Phone:  651.297.5029


Additional Minnesota CDL Helpful Links

Please use the links below to access more valuable Minnesota CDL testing resources and to learn more about practice driving tests for the state of Minnesota.