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

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

sticking straight up

below the locking lever

threaded through the locking lever

above the locking lever

2 / 40

Where can you find a shipper’s certification?

On all packages.

On the original shipping paper.

It is a separate document that all hazmat drivers must keep in their vehicles.

There is no such thing.

3 / 40

The parking brakes should be used____in air brake vehicles.

every time the vehicle is parked

as rarely as possible

only during post trip inspection

only when parked on an incline

4 / 40

The Emergency Response Guidebook (ERG):

All of these answers are correct.

Was created by the national department of transportation, so it is used nationwide.

Is studied by emergency personnel to help keep the public safe.

Contains an index of hazardous material id numbers, which is why you must label things correctly.

5 / 40

Select the true statement about empty trucks:

they have a smaller stopping distance than full trailers

empty trailers are easier to stop because there is not cargo shifting

they have poor traction due to wheel lockup and bouncing

empty trucks stop in the same distance as a fully loaded truck

6 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 200 feet.

Do not park within 500 feet.

Do not park within 100 feet.

Do not park within 300 feet.

7 / 40

What is always required before loading, driving, or unloading a tanker?

Shift into park

Clean the vehicle

An inspection

Registration of driving plan

8 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

all answers listed

the center of the kingpin is past the locking jaw

the trailer will rise slightly when the converter dolly is backed underneath it

the kingpin is over the fifth wheel

9 / 40

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

Keep driving, slowly and cautiously, until you reach a phone.

Keep driving for help as quickly as possible.

Send someone for help with all the necessary information.

Leave your truck parked with emergency lights on and walk for help.

10 / 40

Which of these statements about speed management and braking is true?

The total stopping distance of a bus is the distance it takes to stop once the brakes are applied.

You need about four times as much stopping distance at 40 mph as at 20 mph.

Stopping time increases by one second for each 10 mph over 20 mph.

The posted speed limit will always allow you to stop safely.

11 / 40

If students must cross the street, when they get off the bus, which statement is true?

When the driver signals that it is safe to proceed, the students must run across the street to reduce the exposure to danger.

If the bus is equipped with the crossing gate, the danger of running over the child is eliminated.

For crossing, students should make eye contact with the bus driver and wait for the driver's signal that it is safe to proceed.

The student should wait to cross the street until the bus continues on its route.

12 / 40

What is the benefit of ABS?

all of these answers are correct

it provides an added layer of safety for truck drivers

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

it decreases your stopping distance

13 / 40

When does your vehicle's single brake system need an adjustment?

when the governor stops between 75-90 psi

if the compressor cuts out at between 70 and 90 psi

if the pressure builds from 50 to 75 psi in less than 3 minutes

when the pressure builds from 85 to 100 psi in less than 1 minute

14 / 40

At around____the governor allows the air compressor to start pumping again:

175 psi

100 psi

225 psi

125 psi

15 / 40

Drivers placard their vehicle to _____ the risk.

minimize

elevate

communicate

take away

16 / 40

Should your air compressor stop working:

the brakes will lock up on you immediately

there will still be air pressure left in the air tanks

there will be no affect to your brakes

you will lose your ability to brake immediately

17 / 40

What do you check when doing a visual inspection of the coupling?

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

none of the answers listed

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

18 / 40

Select the true statement about empty trucks:

They have better traction on wet roads than full tanks.

All answers listed.

They come to a stop faster when you use only the emergency brake.

They can take longer to stop than a truck with a full tank.

19 / 40

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

The liquid's weight.

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

How much the liquid will expand in transport.

The density of the liquid.

20 / 40

What does the amount of liquid you can carry depend on?

The vehicle's horsepower rating.

The material the baffles are made from.

The outage of the liquid.

The center of gravity.

21 / 40

Cargo tanks ____.

are tanks that the military uses to transport hazardous materials

are large drums temporarily attached to a vehicle

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

are bulk packagings permanently attached to a vehicle

22 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

drive at a high speed

shift into a lower gear

increase engine rpm

quickly turn the steering wheel side to side

23 / 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

24 / 40

It takes special care to drive tankers with liquid in them because:

The low center of gravity of the load.

The baffles create odd rocking motions.

The movement of the liquid even when the truck is stopped.

The high center of gravity of the load.

25 / 40

Select which is not an engine compartement belt:

A safety belt

A power steering belt

A water pump belt

An air compressor belt

26 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

Budd spacing or spacers

Lug bolts

Tire rims

All answers listed

27 / 40

The cause of almost half of all truck driver deaths are:

a result of rollover

a result of excessive speed

a result of following behind too closely

a result of changing lanes too frequently

28 / 40

If your bus is equipped with an emergency exit door, it must:

All of these answers are correct.

Always have a red door light turned on.

Be secured when the bus is being driven.

Not have any signs, stickers, or markings near it.

29 / 40

Select the item that is not checked in the engine compartment:

The oil pressure

The coolant level

The level of the oil

The power steering fluid

30 / 40

You should____in order to inspect the coupling.

make sure to have space between the lower and upper fifth wheel

make sure the locking lever is in the open position

if necessary, use a flashlight

have the fifth wheel jaws open

31 / 40

If you park the trailer at an angle to the tractor when uncoupling:

you will have more space to maneuver in the lot

the process will be faster and easier

you won't have to take as many steps around the vehicle

damage could occur to the landing gear

32 / 40

If you have to swerve to avoid a hazard, it's important to:

Know where other vehicles are around your bus by checking your mirrors.

Warn passengers with a loud and clear voice.

None of these answers are correct.

Make sure your passengers are wearing seat belts.

33 / 40

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

Wedge drum

S-Cam drum

Rectangle brakes

None of the answers listed

34 / 40

Select the true statement in regards to handing triples and doubles

due to off tracking, a triple bottom rig can come to a stop quicker than a 5 axle semi trailer

due to the crack the whip effect, the rear trailer of a 100 foot triple is less likely to tip than a single trailer

a sudden movement of the steering wheel may result in the rear trailer tipping over

none of the answers listed

35 / 40

What is the first thing to do if your vehicle catches fire while driving?

find a service station to pull into

pull off the road and park in an open area

open the hood and let the flames die down

open the door and jump out of the vehicle

36 / 40

Select which is not a mandatory emergency equipment:

6 fuses, 3 red reflective triangles, or 3 liquid burning flares.

Extra electrical fuses.

Tire changing equipment.

A rated and properly charged fire extinguisher.

37 / 40

To be sure that air is supplied to the second trailer:

crank the engine brake

keep an eye of the air gauge for a drop of 30 psi

open the emergency line shut off at the back of the second trailer

while driving at 10 mph, use the hand valve. The vehicle should stop in the same distance of a single trailer moving at 5 mph

38 / 40

There must not be more than_____for engine compartment belts.

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

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

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

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

39 / 40

What is the most important reason for doing a school bus inspection?

For safety required by federal, state, and local laws.

To check for flat tires.

To give the mechanic something to do.

To assist the school principal with their report.

40 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

removing the dolly before uncoupling is not the correct procedure

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

it is possible that the dolly tow bar could fly up making it difficult to re-couple

to provide additional lateral stabilization to the front trailer

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