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

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

2 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

3 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

4 / 40

Which of the following statements about "Radioactive" labels is true?

5 / 40

When backing your vehicle, which of the following is NOT recommended

6 / 40

You should_____to uncouple the converter dolly.

7 / 40

Select what you should not do when coupling the glad hands.

8 / 40

What is the earliest way to notice a trailer skid?

9 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

10 / 40

Remember to____when connecting the converter dolly to the rear trailer.

11 / 40

For any flatbed load you must have at least ____ tie downs.

12 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

13 / 40

Cargo tanks are:

14 / 40

Which is more likely to tip over due to the crack the whip effect?

15 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

16 / 40

There must not be more than_____for engine compartment belts.

17 / 40

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

18 / 40

When transporting explosives you may not park:

19 / 40

Select the reason as to why air tanks need to be drained:

20 / 40

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

21 / 40

Which of the following are some suspension system defects?

22 / 40

What is the movement of the liquid called when the tanks are partially filled?

23 / 40

A tank vehicle:

24 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

25 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

26 / 40

Of the following hazardous material classes, which is the most dangerous?

27 / 40

Why do air brakes take longer to stop than hydraulic brakes?

28 / 40

Select the statement that is not part of the air-brake system:

29 / 40

What is a supply pressure gauge used for?

30 / 40

Select when you should use the parking brake:

31 / 40

Select the true statement in regards to brake drums:

32 / 40

____is the most common type of foundation brakes used by heavy vehicles.

33 / 40

In safe driving, what does communicating mean?

34 / 40

What handling effect will baffles have?

35 / 40

You should___to reduce the air leakage rate.

36 / 40

What does it mean when the safety valve releases air?

37 / 40

You should be in the proper gear before going down a hill because:

38 / 40

How should the trailer be lined up when preparing to back the tractor up?

39 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

40 / 40

You must first______to supply air to the trailer.

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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.