Jackson County Central High School

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Minnesota CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Minnesota CDL Manual. Take this practice test now to prepare for the actual MN CDL combination test!
1. When backing a trailer, you should:
not back up in a straight line.
pull-up frequently to reposition the vehicle.
avoid braking.
turn the steering wheel toward the direction you want to go.
2. When you are uncoupling a loaded trailer, lower the landing gear until:
makes contact with the ground, and leave the trailer off the fifth wheel.
the pressure in the system is above 55 psi.
the tractor frame is under the trailer.
it makes firm contact with the ground.
3. Dual tires:
should come in contact with each other whenever possible.
should not come in contact with each other.
are dangerous.
should always come in contact with each other.
4. You supply air to the trailer brake system by:
pulling out the trailer air supply valve.
pushing in the trailer air supply knob.
connecting the tractor service air line to the trailer service glad hand.
plugging the electrical cord into the trailer.
5. Which of the following is NOT part of testing the tractor protection valve?
Shutting off the engine.
Stepping on and off the brake pedal several times to reduce the air pressure in the tanks.
Pulling forward slowly, then applying the trailer brakes.
Charging the trailer air brake system.
6. When you make a quick lane change, the crack-the-whip effect can:
improve your traction.
the trailer to swing wide to the left.
make it harder to turn without skidding.
turn the trailer over.
7. Tests have shown that trucks with a high center of gravity:
can roll over if the driver exceeds the posted speed limit for a curve.
can roll over if the driver slows down before entering a curve.
can roll over at the posted speed limit for a curve.
are less likely to roll over when entering a curve.
8. Inspecting the fifth-wheel does NOT include:
making sure that the fifth wheel is in the proper position for coupling.
checking for missing or damaged parts.
checking that there are no cracks in the frame.
backing until the fifth-wheel just touches the trailer.
9. When transporting cargo, the cargo should be checked:
before the trip and after the first 150 miles.
before the trip and after the first 50 miles.
only before the trip.
only after the trip.
10. "Bobtail" tractors are:
tractors with two trailers.
heavily loaded trailers.
tractors without semitrailers.
tractors with a tank.
 
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Frequently Asked Questions

If you're under 18 years old, you must adhere to the age requirements of the Graduated Driver’s Licensing (GDL) Program:
  • Instruction permit ? you must be at least 15 years old.
  • Provisional license ? you must be at least 16 years old and have held your permit for 6 months.
  • Class D driver's license ? you must be at least 18 years old or have held a provisional license for 12 consecutive months without alcohol or crash-related convictions.
If you are 18 years old, you must hold the permit for six months before taking the road test and receiving a full license. If you are 19, a waiting period of only three months is required.

You can schedule an appointment online for your DMV written test. Choose dates and times based on your preferences and the available options at different Minnesota Driver and Vehicle Services (DVS) exam stations. 

You will need to present two primary documents, such as a passport or certificate of birth, or one primary document and one secondary document, such as a Social Security Card. For a list of acceptable documents, check here. Additionally, if you are under 18, you must also bring proof of completing driver education ("Blue Card" or "Pink Card").

At certain exam stations, the test is available in multiple languages, including Hmong, Vietnamese, Somali, Spanish, and Russian. For an American Sign Language (ASL) interpreter, contact Driver and Vehicle Services at (651) 284-1234. If you have difficulty understanding English, oral exams are conducted at the Anoka, Eagan, and downtown Saint Paul/Town Square exam stations. It's important to note that individuals must bring their own interpreter, who should hold a valid Minnesota driver's license.

You need to read the Minnesota Driver's Handbook. The exam covers various topics, including road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Remember that you cannot use driver's manuals or personal notes, so read the manual carefully and use our free practice tests to test your preparation.

The Minnesota DMV written test consists of 40 multiple-choice or true/false questions about various aspects of driving regulations and road safety. These questions are based on the official manual, so it's important to study it well to maximize your chances of passing the exam.

You can make up to 8 mistakes on the Minnesota DMV written test. To pass, you need to answer at least 32 questions correctly, achieving an 80% accuracy rate. Take your time to read each question accurately.
Individuals under 18 with an instruction permit in Minnesota must drive with a licensed adult who is at least 21. If you are 18 or older, the supervising driver must be at least 18 years old.

After obtaining a license, the following restrictions apply for the first six months:
  • Driving is prohibited between midnight and 5 a.m., unless accompanied by a licensed adult who is at least 25 or for work or school activities.
  • Except for siblings, only one passenger under 20 is permitted without the supervision of a parent or guardian. For the second six months, a maximum of 3 passengers under 20 is allowed.
For drivers under 18, it is illegal to use the cell phone except during emergencies. Until the age of 21, it is also illegal to consume alcohol before driving.

In Minnesota, an instruction permit is valid for two years, with the option to renew it upon the payment of a fee. This ensures you have enough time to practice driving and fulfill the necessary requirements before the road test.

If you do not pass your DMV written test, you'll need to wait until the next business day to retake it. A fee is required for the third and any subsequent attempts. Sign up for DMV Premium and practice with extra tests to pass the exam on the first attempt!

MN CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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