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

Select the true statement in regards to an application pressure gauge:

it prevents the brakes from failing

it shows how much air pressure you are applying to the brakes

when accelerating it releases air

it is connected to the generator

2 / 40

By law, the warning lights must only be used when approaching a:

Stop to load or unload students.

Busy intersection.

Sharp turns.

Any stop the bus makes.

3 / 40

The best way to test the low air pressure warning signal is to:

apply pressure on and off the brake pedal until the air pressure drops below 20 psi

apply pressure on and off the brake pedal with the engine off to drop the air pressure to below 60 psi

manually release the air out of your brakes to see if the signal activates

apply pressure on and off the brakes while the engine is running

4 / 40

The most stable tanker shape is:

Cylindrical

Round

Elliptical

Square

5 / 40

How can you determine if your vehicle is equipped with ABS?

check if your vehicle was manufactured after March 1, 1998 (they are required to have the panel light)

all of these answers are correct

check for yellow abs malfunction lamps on the instrument panel

look for wheel speed sensor wires that are coming from the rear of your brakes

6 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True

True but only in rainy conditions

True but only in ideal conditions

False

7 / 40

Select the true statement about speed and stopping distance.

When the road is wet it will double your stopping distance.

None of these answers are correct.

You need two times the stopping distance when driving at 40 mph compared to 20 mph.

Tank surge will decrease your stopping distance.

8 / 40

The parking brakes should be used____in air brake vehicles.

only during post trip inspection

only when parked on an incline

as rarely as possible

every time the vehicle is parked

9 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

road rage

distracted driving

aggressive driving

defensive driving

10 / 40

Select the true statement about empty trucks:

They have better traction on wet roads than full tanks.

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.

All answers listed.

11 / 40

You should follow the posted speed limits for curves and be aware of:

The posted speed limit may be too high for safety.

The higher center of gravity on a tank truck.

All answers listed.

A rollover may occur even when driving at the posted speed limit.

12 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

to make sure the vehicle will make your destination

safety for yourself and other road users

because other drivers do it

to make sure nothing has been stolen from the vehicle

13 / 40

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

Because it is the shipper's responsibilty to choose the correct packaging for a material classified as "hazardous".

Because it is the shipper's responsibility to correctly label the transport vehicle with precautionary placards.

Because it is the shipper's responsibility to determine whether or not a material is hazardous.

All of these answers are correct.

14 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

continue on with your trip

stop and safely park your vehicle only continue once the issue has been resolved

decrease your speed and head to the closest mechanic

decrease your speed and test the other system

15 / 40

You should adjust all the outside left and right side flat mirrors to see:

The children's exit path out of the main bus door.

The entire area to the rear of the mirror along the side of the bus.

The rear right and left tires touching the ground as well as 200 feet behind the bus.

The passenger area inside the bus.

16 / 40

Placarded vehicles must carry which type of fire extinguisher?

Hazmat extinguisher

B-C fire extinguisher

A-B fire extinguisher

C-D fire extinguisher

17 / 40

How do you check the power steering fluid?

Undo the oil fill cap and check the level.

Via indicator light on the dashboard.

By looking through the reservoir sight glass.

Via the power steering fluid dipstick.

18 / 40

Where is compressed air stored?

in the storage tank

in the hose lines

in the gasoline tank

in the compartment for the engine

19 / 40

How should the hand valve be used?

to test the trailer brakes

only in emergency situations

when the trailer is fully loaded down

only in conjuction with the foot brake

20 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

None of these answers are correct answers are correct

The lock pins

The catwalk

The locking jaw

21 / 40

What is the best way to see the sides and rear of your vehicle?

a helper

rear view cameras

all of these answers are correct

your mirrors

22 / 40

When transporting both hazardous and non hazardous materials, your bills must:

Any one of the above.

Identify the materials by the letter x or rq in the hm column.

Describe the hazardous materials first.

Have the hazardous materials highlighted.

23 / 40

Which of the following should you do when confronted by an aggressive driver?

avoid eye contact

ignore rude gestures and refuse to react negatively

if you can safely do it, call the police from a cell phone

all of these answers are correct

24 / 40

What is the purpose of cladding in a tanker?

It controls the temperature of the cargo.

It eliminates liquid surge.

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

25 / 40

When accelerating:

do not engage the clutch before you take your foot off the brake

speed up smoothly and gradually and avoid jerking

always use the parking brake to slow down

"hammer down" when your wheels start to spin

26 / 40

Be careful to check the_____when unloading the smaller tanks of bulk heads.

percentage of alcohol

the fuel to air ratio

percentage of water

weight distribution

27 / 40

Select the factors that can cause your brakes to fade or fail:

using the service brakes excessively

not relying on engine braking enough

the brakes are out of adjustment

all of these answers are correct

28 / 40

Suspension systems:

keep the axles in place

keep the brake drums from failing

keep the load secure

keep the steering wheel tight

29 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

the engine brakes will unlock

the dolly tow bar could fly up

nothing will happen

the air lines will explode

30 / 40

The transport index of a radioactive material:

None of these answers are correct.

Tells the degree of control needed during transportation.

Is something that only the shipper needs to worry about.

Is another way of writing the weight of the package.

31 / 40

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

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

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

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

crank the engine brake

32 / 40

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

That is designed to carry more than nine passengers.

That has air brakes.

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

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

33 / 40

A minimum tread depth of 2/32 inch is required for:

Donut tires.

Non-steer axle tires.

Driving axle tires.

Parking axle tires.

34 / 40

After the initial drop, the maximum leakage rates per minute is:

6 psi for a combination vehicle and 5 psi for single vehicle

3 psi for combination vehicle and 1 psi for single vehicle

4 psi for a combination vehicle and 3 psi for a single vehicle

10 psi for combination vehicle and 5 psi for single vehicle

35 / 40

What is the purpose of the supply pressure gauge?

to inform you if there is too little air in the tank

all of these answers are correct

to inform you about how hot the air in the tank is

to inform you of how much air is in the tank

36 / 40

A driver of a tanker should use an escape ramp when _____.

only when it's raining

the vehicle has lost braking power

when the tanks has bulkheads

only in ideal conditions

37 / 40

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

Back and turn toward the driver's side.

Use your head as the mirrors are unreliable.

Back toward the side opposite the driver.

Back quickly while no one is coming.

38 / 40

A tractor should not be backed under a trailer until the whole air system is:

at half of its normal pressure

at a level of 70 and 90 psi

at a level of 50 and 70 psi

at a normal pressure

39 / 40

An "A/W" the first column of the hazardous materials table means:

This material has no restrictions when shipped by air and/or water.

This material is only restricted when shipped by air and/or water.

There is no restrictions with this material if shipped by water only.

It is ok to ship this material by air only.

40 / 40

You must keep shipping papers describing hazardous materials ______.

in a pouch on the driver’s door or in clear view within immediate reach while the seat belt is fastened while driving on the driver’s seat when out of the vehicle

within 100 feet of the hazardous materials at all times

in a pouch on the drivers door or in the overhead compartment above the driver’s seat only

with the bills of lading

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