Michigan
CDL Practice Test

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

There must be a hazardous materials identification number on the ______ and on the ______.

invoice, shipping papers

shipping papers, package

package, trailer

trailer, packages

2 / 40

Which of the following statements about downshifting is NOT true?

downshift before starting down a hill

downshift when you get to the bottom of a hill

downshift before entering a curve

downshift before climbing a hill

3 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

The windshield

The side mirrors

The lighting indicators

The headlights

4 / 40

Air tanks should be drained:

at the end of each shift or day

all of these answers are correct

manually when the automatic devices fail

to prevent sludge from clogginng up the brake system valves

5 / 40

How do you test your service brakes?

pull over and activate the parking brake

release the air pressure and activate the parking brake

apply pressure to the brake pedal when moving at highway speeds

after releasing the parking brake, move forward slowly and apply pressure to the brake pedal

6 / 40

Bus drivers must have a CDL if they drive a vehicle:

That has a gross weight rating of more than 26,000 pounds.

That is designed to carry more than nine passengers.

That has air brakes.

Designed to seat more than 16 or more persons, including the driver.

7 / 40

Which seats not securely fastened to the bus are usually allowed?

The driver's seat only.

Any of the last row seats.

Window seats.

None of these answers are correct.

8 / 40

If you work for an interstate carrier:

Only fill out report for buses with defects.

You must complete a written inspection report for each bus driven.

None of these answers are correct.

If there are no defects, no report is necessary.

9 / 40

What is a technical name?

The name for a hazardous material most commonly used on the street.

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

10 / 40

Where should you place your warning devices if you must stop on a one-way or divided highway?

10 feet, 100 feet, and 200 feet toward approaching traffic

20 feet, 50 feet, and 100 feet toward approaching traffic

100 feet, 200 feet, and 300 feet toward approaching traffic

50 feet, 100 feet, and 150 feet toward approaching traffic

11 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

The apron

The arm bar

The release arm

The locking pins

12 / 40

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

8 or 9

6 or 7

7 or 8

5 or 6

13 / 40

Cargo tanks ____.

are large drums temporarily attached to a vehicle

are large drums used to contain hazmat that is loaded on a trailer

are tanks that the military uses to transport hazardous materials

are bulk packagings permanently attached to a vehicle

14 / 40

Placarded vehicles must carry which type of fire extinguisher?

C-D fire extinguisher

Hazmat extinguisher

B-C fire extinguisher

A-B fire extinguisher

15 / 40

There must not be more than_____for engine compartment belts.

1/2 inch of play at the end of the belts

3/4 inch of play at the center of the belt

1/2 inch of play at the center of the belt

1/4 inch of play at the ends of the belt

16 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The owner's puco or icc number.

The un or na id number of the product.

The chemtrec phone number.

The date of manufacture.

17 / 40

What is the benefit of ABS?

it provides an added layer of safety for truck drivers

it prevents the wheels from locking up during heavy braking or slippery conditions

all of these answers are correct

it decreases your stopping distance

18 / 40

When transporting explosives you may not park:

Within 300 feet of a tunnel.

Within 5 feet of the traveled part of the road.

Near an open fire.

All of these answers are correct.

19 / 40

A placard is required for a combustible liquid at?

Any amount

110 gallons

100 gallons

1,001 pounds or more

20 / 40

What should you check for when inspecting a converter dolly?

that the spare tire is secured if there is one

that the safety chains are secured to the trailer

that the converter dolly air tank drain valve is in the closed position

all answers listed

21 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

None of these answers are correct.

There is a traffic light showing green.

Both of these answers are correct.

The bridge has an attendant or traffic officer who controls traffic whenever the bridge opens.

22 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

Shift the gear to neutral.

Start the engine after getting in the cab.

Make sure the parking brake is activated after getting in the cab.

Listen for any unsual noises after starting the engine.

23 / 40

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

the hand valve will activate the tractor brakes instead of the trailer brakes

none of the answers listed

the brake pedal will activate the trailer spring brakes instead of the air brakes

if there are no spring brakes, you can drive on but there will be no trailer brakes

24 / 40

Select the statement that is true in regards to managing space to the sides.

high gust winds do not cause any issues for triples and doubles

you should always keep your vehicle to the right side of the lane

all answers listed

you should try to avoid driving next to others when possible

25 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

The driver must restart the pre-trip from the beginning.

None of the answers listed.

An automatic failure of the vehicle inspection test.

A deduction of 15 points.

26 / 40

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

the fifth wheel may be misaligned

the dolly tow bar may fly up

the spring brakes may release

the kingpin may snap in half

27 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

Both of these conditions must be met.

You have 1,001 pounds or more of two or more table 2 hazard classes, requiring different placards.

You have not loaded 2,205 pounds or more of any table 2 hazard class material at any one place (you must use the specific placard for this material).

The correct answer is not listed.

28 / 40

Select the true statement:

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

None of the answers listed.

Wait as long as possible to brake when driving a heavy vehicle.

29 / 40

Select the true statement about baffled tankers:

It has walls with holes inside for liquid to flow through.

It has separate tanks.

It has hollow balls in it to slow the motion of the liquid in the trailer.

None of the answers listed.

30 / 40

Select the factor that has no effect on how much liquid you can carry:

The legal amount of weight you can carry of any particular liquid.

How much the liquid will expand in transport.

The liquid's weight.

The density of the liquid.

31 / 40

If the hazardous materials are classified as FORBIDDEN you should:

Remove the placards from the trailer.

Refuse the load.

Take special caution in transporting the material.

Place the materials in the front of the trailer.

32 / 40

Before transporting a sealed load, you must check:

all of these answers are correct

that you don't exceed gross weight and axle weight limits

a small sample of whatever is inside

a picture of whatever is inside

33 / 40

Select why you should not use the trailer hand valve while driving:

there is a possibility it will make the trailer skid

it will cause the tractor to shake

you should only ever use the parking brake

it does not work as well as the foot brake does

34 / 40

When should the trailer hand valve be used?

when parked in a service lot

all answers listed

when driving at highway speeds

to test the trailer brakes

35 / 40

Select the true statement in regards to managing the space to the sides:

you should drive down the center of both lanes over the pavement markings

high wind gusts will not cause any issues for doubles or triples

you should try to avoid driving next to others when possible

you should always keep your vehicle to the right side of the lane

36 / 40

Which of the following statements about stopping distances is NOT true?

empty trucks require greater stopping distances because they have less traction

brakes, tires, springs and shocks are designed to work best when the truck is empty

trucks traveling at higher speeds require greater stopping distances

trucks traveling on ice or snow require greater stopping distances

37 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Steering linkage

Locking pin

Air brake system

Steering hoses/box

38 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

electric/air lines

air brake lines

mud flaps

lifts/door/ties

39 / 40

When driving with multiple trailers, which one should be right behind the tractor?

the trailer longest in length

the trailer with the smallest road

the trailers shortest in length

the trailer with the heaviest load

40 / 40

What is the best way to stop all skids?

quickly turn the steering wheel side to side

restore traction back to the tires

accelerate and countersteer

use controlled or stab braking

Your score is

The average score is 0%

5/5 - (1 vote)

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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

Hit the Open Road

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.

Michigan CDL Practice Test

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How To Get A michigan Commercial Drivers License

Hit the Open Road

michigan CDL License Test Tips

Additional Information

CDL Testing by the Michigan Secretary of State

Additional Michigan CDL Helpful Links

Michigan
CDL Practice Test