MAINE CDL PRACTICE TEST - GENERAL KNOWLEDGE

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The CDL general knowledge test is required to be taken by all CDL applicants. The Maine CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Maine CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual ME general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. Do NOT use a B:C fire extinguisher on:
gasoline fires.
wood fires.
electrical equipment fires.
2. The air tanks should be drained completely to remove:
carbon monoxide.
water and oil.
air.
3. Blood Alcohol Concentration (BAC) is determined by:
how frequently you drink.
the type of alcohol you drink.
the amount of alcohol you drink.
4. Which of the following statements about accelerating is TRUE?
If the drive wheels begin to spin, speed up to regain traction.
When traction is poor, you should avoid speeding up gradually.
Rough acceleration can cause mechanical damage.
5. An anti-lock braking system (ABS):
helps you avoid skids caused by over braking.
helps you avoid wheel lock up.
All of the above.
6. If you are feeling sleepy, you should:
pull off the road and rest.
slow down.
get some coffee.
7. When driving in hot weather:
the the tires' air pressure will decrease.
the engine oil helps keep the engine cool, as well as lubricate it.
antifreeze should be avoided.
8. Hydroplaning:
can occur at speeds as low as 30 mph.
is less likely if tire pressure is low.
can occur only if there is a lot of water on the road.
9. Hydroplaning is most likely to occur:
right after it starts to rain.
right before it starts to rain.
when it's been raining for over an hour.
10. Do NOT use water on a _______ fire.
cloth
paper
gasoline
 
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Frequently Asked Questions

You can get a learner's permit at 15 years old. To obtain a class C driver's license, you must be at least 16 and have completed a driver education course. Alternatively, you can apply at the age of 18 without participating in a driver education program.

Complete the application form and submit it either in person to any Maine Bureau of Motor Vehicles branch or by mail. After processing your application, the BMV will schedule your written test at the office closest to your mailing address and notify you. If you have specific scheduling preferences, be sure to note them on your application. However, you can change the test time up to 48 hours prior.
On the day of your appointment, bring the following documents:
  • A completed application form. 
  • Two forms of identification.
  • Proof of residency. If you are a minor or unable to provide a document certifying your address, you must submit an affidavit.
  • Proof of legal presence in the United States for both citizens and non-citizens.
  • Driver education completion certificate (if you are under 18).
  • A birth certificate (if you are under the age of 23).


The DMV written test in Maine is available in multiple languages, and you can also have a translator. Additionally, for applicants who are deaf or hearing impaired, an American Sign Language interpreter can assist during the exam.

To prepare for the DMV written test, study the Maine Driver's Handbook thoroughly. At the end of each chapter, you’ll find practice questions to help you verify your knowledge of driving laws. You can also find additional practice tests on DMV Premium to further evaluate your preparation.

After getting your learner’s permit:
  • The use of mobile phones or handheld electronic devices is not allowed.
  • Driving is permitted only under the supervision of an adult who is at least 20 years old and has held a driver license for 2 years.
For drivers under 18, additional restrictions apply during the 270 days following the road test:
  • The use of mobile phones or handheld electronic devices is prohibited.
  • Driving alone is not allowed between 12 a.m. and 5 a.m.
  • Transporting passengers, except for siblings, is prohibited unless accompanied by a licensed adult aged at least 20 who has held a valid license for 2 years and is seated beside the driver.

A Maine instruction permit is valid for two years. It is not renewable, but you can obtain a new permit for an additional two years if needed. When the permit expires, you must apply again and take the vision and knowledge test. The driving hours you have accumulated will be retained, allowing you to schedule the road test directly without any waiting period.

ME CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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