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

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

2 / 40

In the event of an accident you should remember to do the following EXCEPT:

3 / 40

What do you check when doing a visual inspection of the coupling?

4 / 40

Do empty trucks have the best braking?

5 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

6 / 40

How do you supply air to the trailer tanks?

7 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

8 / 40

An oncoming vehicle keeps its high beams on. You should deal with this hazard by:

9 / 40

Why should you use chocks when parking a trailer without spring brakes?

10 / 40

It is important to know the outage required for the liquids you carry because:

11 / 40

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

12 / 40

How often should air tanks be drained?

13 / 40

What is most likely to occur when the front wheels begin to skid?

14 / 40

Which of the following statements is FALSE?

15 / 40

Which of the following is a reason to evacuate the school bus?

16 / 40

The correct trailer height when coupling the rear trailer is:

17 / 40

The reason a bulk liquid tanker is hard to handle is:

18 / 40

Remember to_____when steering to avoid a crash while driving doubles.

19 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

20 / 40

Which of the following statements about overhead space is true?

21 / 40

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

22 / 40

Which of the following would NOT be part of a standard vehicle inspection?

23 / 40

A placard is required for a combustible liquid at?

24 / 40

Select the true statement about emergency steering and tankers:

25 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

26 / 40

What are you checking when looking at the lubrication level on a dipstick?

27 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

28 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

29 / 40

Which of these statements about speed management and braking is true?

30 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

31 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

32 / 40

How often should you check the tires on a placarded trailer that has dual tires?

33 / 40

Air pressure should build___with a dual air system.

34 / 40

Select the correct description for a bulkhead tank.

35 / 40

What action should you take before driving while drowsy?

36 / 40

When driving in very hot temperatures, you should:

37 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

38 / 40

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

39 / 40

If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?

40 / 40

What is the most important reason for doing a school bus inspection?

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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.