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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Minnesota doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The MN CDL doubles triples test covers the following sections of the Minnesota CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this MN CDL practice test now to prepare for the actual test!
1. When conducting a pre-trip inspection:
the inspection report should only be reviewed if you will be carrying passengers.
you should review the last vehicle inspection report.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
None of the above.
2. What is the most important reason to inspect your vehicle?
Your safety and that of other road users.
Vehicle inspection is required by federal and state laws.
Achieving the best gas mileage.
Saving money by preventing costly repairs.
3. Which of the following is NOT a reason for hydraulic brake failure?
Stab braking
Loss of hydraulic pressure
Brake fade on long hills
All of the above.
4. If an aggressive driver is involved in an accident down the road, you should:
confront the aggressive driver.
make eye contact with the driver.
try to get their vehicle to the side of the road.
stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
5. To prevent rollover, you should:
turn the engine off while turning.
drive on the shoulder of the road when possible.
drive slowly around corners.
drive in the left lane.
6. Do NOT use the parking brakes:
when you park for less than two hours.
to test that they work.
if the brakes are very hot.
when you leave your vehicle.
7. With an engine fire, you should NOT:
open the hood.
shoot foam from the vehicle’s underside.
turn the engine off as soon as possible.
None of the above.
8. How far ahead do most good drivers look?
50 to 60 seconds
6 to 8 seconds
12 to 15 seconds
3 to 4 seconds
9. You hear a loud "bang" which sounds like a tire blowout. You should:
keep driving as normal.
assume you have a tire failure.
check the tires at the next stop.
inspect your tires with your mirrors.
10. When the wheels of a trailer lock up:
ABS will increase stopping power.
the vehicle will gradually come to a complete stop.
the trailer will tend to swing around.
All of the above.
 
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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 Doubles Triples Test

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