Michigan
CDL Practice Test

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The Michigan CDL practice tests below offer practice test questions in all the different topic areas you’ll see on the Michigan CDL test. The tests are free and can be taken as often as you’d like to help you in your preparation for earning a Michigan commercial driver license. 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 Quiz" button below to begin. 

1 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

2 / 40

Which of the following is a reason that shippers package material?

3 / 40

Should the air pressure in the service air tanks fall below____the driver must be alerted via warning mechanism in the truck cab.

4 / 40

Select the true statement about what the Air Compressor Governor controls:

5 / 40

Which of the following statements about overhead space is true?

6 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

7 / 40

You should_____when the low pressure warning is activated:

8 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

9 / 40

Select the true statement about stop valves in a cargo tank:

10 / 40

An example of a low pressure warning signal for air brakes is:

11 / 40

Select the true statement about slack adjusters:

12 / 40

Select the true statement about handling triples and doubles:

13 / 40

Air tanks should be drained:

14 / 40

The trailer should be lowered so that _____.

15 / 40

Overhead inside mirror is used to:

16 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

17 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

18 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

19 / 40

When not towing a trailer, why should the tractor glad hands be locked?

20 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

21 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

22 / 40

The direction of liquid movement not prevented by baffles is:

23 / 40

You must be alert for road hazards so that:

24 / 40

Select the definition for outage:

25 / 40

Which of these is a good rule for backing a straight bus?

26 / 40

The compressor is connected to the engine via _____?

27 / 40

You should_____when an emergency requires you to quickly stop your tanker.

28 / 40

Before transporting a sealed load, you must check:

29 / 40

The average person requires how many hours of sleep per 24 hour period?

30 / 40

How do you release the dolly brakes when coupling twin trailers?

31 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

32 / 40

A tank trailer should never be fully loaded due to:

33 / 40

A disruptive passenger:

34 / 40

Some city transit buses may have a brake-door interlock system, this system:

35 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

36 / 40

The correct trailer height when coupling the rear trailer is:

37 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

38 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

39 / 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.

40 / 40

This gauge has a governor cut-off.

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How To Get A michigan Commercial Drivers License

Applicants must be of the legal age of 18 or older. Those between the ages of 18 and 21 are only permitted to drive a commercial vehicle within the state of Michigan. Those age 21 and older may drive a commercial vehicle across state borders. Only those aged 21 and older may apply for their hazardous materials endorsement. All applicants must possess a DOT Medical Card.

An applicant’s driving record will be considered when applying for a CDL license. There are specific items in which a driver will be disqualified for a commercial driver’s license.

These include:

  • Any suspension/revocation 36 months before submitting an application.
  • Any six-point violation or conviction of operating a motor vehicle impaired 24 months prior to submitting an application.
  • Any current denial, cancellation, suspension, or revocation of driver’s license.
  • Possessing multiple licenses from other states.
  • Not meeting BFS-103 CDL Certifications.

Michigan requires all CDL applicants to complete both a knowledge test and a skills test. Michigan offers the following CDL license endorsements:

  • S – School Bus
  • T – Double Trailer
  • P – Passenger
  • N – Tank Vehicles
  • H – Hazardous Materials

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michigan CDL License Test Tips

The knowledge tests are presented in written form for Class A, B, and C applicants. All classes are required to take a 50 question assessment. Those applying for a Class A CDL will need to complete an additional 20 questions about combination vehicles.

Applicants seeking to drive vehicles with air brakes must complete a 25 question air brake assessment. Those seeking any endorsement other than hazardous materials must complete a 20 question assessment that is endorsement specific. Those applying for the hazardous materials endorsement must complete a 30 question knowledge test. All applicants must receive a score of 80 percent or higher on each test to pass.

A skills test is required for all CDL applicants regardless of Class. The School Bus and Passenger Endorsements require a skills test as well. All applicants applying for Air Brakes Certification must use a vehicle that is equipped with air brakes for their skills test. The CDL skills test consists of a vehicle inspection test, basic control skills test, and a driving test. All three test sections must be passed for CDL approval. Failure in any skills test area automatically fails the applicant.

Additional Information

CDL Testing by the Michigan Secretary of State

The Michigan Secretary of State provides administers CDL license requirements in Michigan. To get more information contact them via:

Website:  https://www.michigan.gov/sos/0,4670,7-127-1627_8669_53324---,00.html

Phone:  888.767.6424

 

Additional Michigan CDL Helpful Links

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