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

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

The outage of the liquid.

The center of gravity.

The vehicle's horsepower rating.

The material the baffles are made from.

2 / 40

Remember to_____to prevent rollovers.

have the load centered

all answers listed

have the load as low to the ground as possible

drive slowly around turns

3 / 40

Which of the following statements about special danger of loading and unloading is true?

Students should be told to pick up any dropped objects as long as it is not under the bus.

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

Students should be told to remain seated while the bus is in motion.

4 / 40

Select the true statement about dual air brake systems:

they are required to have two warning alarms

they require less time to build up air pressure

they have one set of controls for two air brake systems

they have a single set of air tanks and hoses

5 / 40

The emergency air line is _____and the service air line is____.

white, blue

red, blue

yellow, white

red, green

6 / 40

Select the true statement about retest markings:

All answers listed.

It shows what type of inspection or test was completed.

They must be stamped on the tank.

Must have a date of the last retest marked.

7 / 40

You should___to reduce the air leakage rate.

release the service brake after turning off the engine

leave the engine running while charging the air system

monitor the air pressure gauge as you press on the brake pedal

release the service brake as the engine is running

8 / 40

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

all of these answers are correct

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

ignore rude gestures and refuse to react negatively

avoid eye contact

9 / 40

How many different hazard classes are there?

10 / 40

You should___when driving down a long steep hill.

begin braking once the vehicle is 10 mph above safe speed

use the engine brakes only

release the brake once the vehicle is traveling 5 mph below the safe speed

repeatedly pump the brake pedal

11 / 40

You must have placards for explosives, poison gas or flammables exceeding:

10 pounds

100 pounds

10 cartons

Any amount

12 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in a 1/3 way open position

in a closed position

in a halfway open position

in an open position

13 / 40

Which of the following must drivers have in their possession while transporting class A or B explosives?

None of these answers are correct.

The carrier's insurance policy.

A gas mask.

The written route plan.

14 / 40

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

the fuel to air ratio

percentage of water

percentage of alcohol

weight distribution

15 / 40

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

Lug bolts

Tire rims

Budd spacing or spacers

All answers listed

16 / 40

If you double your speed, what will happen to your stopping distance?

it increases by two times

none of these answers are correct answers are correct

it stays about the same

it increases by four times

17 / 40

The gauge that needs to come up to normal levels after starting the engine within a few seconds is _____.

oil temperature

air brake pressure

blood pressure

oil pressure

18 / 40

What action should you take before driving while drowsy?

pull off the road and get some sleep

drink a cup of coffee

open your vehicle windows for some fresh air

drink energy drinks

19 / 40

Which of the following is NOT a part of the steering system?

main spring

tie rod

hydraulic fluid reservoir

steering knuckle

20 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Windshield fluid line

Air coolant system

Fuel tank

Exhaust system

21 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

total weight of the vehicle and cargo

time of day

weather

length and steepness of grade

22 / 40

Should your air compressor stop working:

you will lose your ability to brake immediately

there will still be air pressure left in the air tanks

the brakes will lock up on you immediately

there will be no affect to your brakes

23 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

The tank will roll over.

The surge will disconnect the tank from the truck.

Nothing will occur.

No matter how you steer, you will continue in a straight line.

24 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

low

high

narrow

long

25 / 40

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

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

All of these answers are correct.

Be secured when the bus is being driven.

Always have a red door light turned on.

26 / 40

Which of the following would NOT be part of a standard vehicle inspection?

tire problems

bad brake drums or shoes

steering system defects

seating defects

27 / 40

All standing riders must stay:

In front of the standee line.

Behind the standee line.

Forward of the rear of the driver's seat.

Within two feet of an emergency exit.

28 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and latched

closed and open

open and open

closed and latched

29 / 40

Select the statement that tells you how you can check the low pressure warning signal.

Turn the electrical power off and apply pressure on and off the brake pedal to decrease air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 30 psi in the air tank.

Turn the electrical power on and apply pressure on and off the brake pedal to decrease the air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 60 psi in the air tank.

The low pressure warning signal is only testable by the factory.

Turn the electrical power on and apply pressure on and off the brake pedal to increase air tank pressure. The low air pressure warning signal must come on before the pressure increases to more than 60 psi in the air tank.

30 / 40

When inspecting your bus, you must make sure that:

All of these answers are correct.

Emergency exit handles are secure.

Every handhold and railing is secure.

Rider signaling devices are working.

31 / 40

When there is a hazardous materials emergency. You should:

Contact emergency authorities.

Prevent smoking and keep open flames away.

All of these answers are correct.

Keep people away and warn them of the danger.

32 / 40

The purpose for the emergency air line is:

supply air to the trailer air tanks and on combination vehicles, controls the service brakes

none of the answers listed

supply air to the tractor air tanks and on combination vehicles controls the emergency brakes

to supply air to the trailer air tanks and, on combination vehicles, controls the emergency brakes

33 / 40

Tires should should be replaced:

when there are broken valve stems

when the tread separates

if the tread depth on your front tires is less than 4/32 deep

all of these answers are correct

34 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

responsible, papers

licensed, manifest

registered, uniform hazardous waste manifest

trucking, uniform hazardous waste manifest

35 / 40

If the hazardous materials are classified as FORBIDDEN you should:

Take special caution in transporting the material.

Place the materials in the front of the trailer.

Remove the placards from the trailer.

Refuse the load.

36 / 40

When stopped on a divided highway where should your reflectors be placed?

30 feet, 100 feet, and 150 feet toward the approaching traffic

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

20 feet, 150 feet, and 300 feet toward the approaching traffic

15 feet, 75 feet, and 150 feet toward the approaching traffic

37 / 40

Before pulling away, make sure the landing gear of the trailer is:

Raised and that the handle is secured.

Raised and that the handle is hanging free.

Down and that the handle is secured.

Down and that the handle is hanging free.

38 / 40

To maintain alertness during the trip, drivers should:

schedule trips during the daytime hours

avoid medications that cause drowsiness

all of these answers are correct

get 8-9 hours of sleep

39 / 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

because other drivers do it

to make sure nothing has been stolen from the vehicle

safety for yourself and other road users

40 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

all of these answers are correct

monitor the air pressure gauge

run the engine at a fast idle

decrease the tank pressure by stepping on and off the brake

Your score is

The average score is 0%

5/5 - (1 vote)

Michigan Drivers Test

michigan Motorcycle Test

michigan CDL Test

CDL Category Practice Tests

CDL Practice Test

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

Michigan Drivers Test

michigan Motorcycle Test

michigan CDL Test

CDL Category Practice Tests

CDL Practice Test

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