minnesota
CDL Practice Test

As you prepare to earn your CDL in the state of Minnesota you’ll need to study for the written portion of the Minnesota CDL test. This site offers MN CDL practice tests to help you on your journey. Use this site as a study guide as you prepare to take the CDL Test in Minnesota. Questions on these practice tests cover topics from the MN CDL manual. You can take these practice tests as many times as you need to and the tests are free. Good luck as you look to obtain your Minnesota CDL. 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 Test” button below to begin.

1 / 40

With the controlled braking method, you _____?

repeatedly tap the brakes as fast as you can

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

apply the brakes as hard as you can without locking the wheels

lightly apply braking pressure

2 / 40

How often should you check the cargo you are transporting?

within the first 50 miles after beginning a trip

after every break you take during driving

all of these answers are correct

every 150 miles or every three hours

3 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

the trailer emergency brakes to activate

the trailer tank pressure to decrease

none of the ansers listed

the tractor spring brakes to activate

4 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

closed at the rear of the last trailer and front trailer

none of the answers listed

closed at the rear of the last trailer and open at the rear of the front trailer

open at the rear of the last trailer and front trailer

5 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

brakes that are not aligned properly

excessive heat from extensive use

tire retread that is mismatched

when using the engine brake more than the brakes

6 / 40

Play of the steering wheel should not exceed:

5 degrees

30 degrees

10 degrees

15 degrees

7 / 40

When is it best to wear your seat belt?

Only when you will be driving over 35 mph.

Only if your bus holds more than 27 people.

Only if required by company policy.

Always.

8 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

The substance or material's hazard class.

The manufacturing date for the materials.

The amount of all hazardous materials of all classes in your vehicle.

The amount of a substance or material being shipped.

9 / 40

Make sure that_____before you back under a trailer.

the air supply knob has been pulled out

the air supply knob has been pushed it

the trailer brakes have been locked

the air brakes are in an off position

10 / 40

Which of the following statements about bus evacuation is true?

If time allows, notify the police.

If time allows, walk through the bus and close all windows.

If time allows, backup to the stop before evacuating the bus.

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

11 / 40

Remember to_____to prevent rollovers.

have the load as low to the ground as possible

all answers listed

drive slowly around turns

have the load centered

12 / 40

When you discharge an unruly passenger, you must choose a place that is:

As safe as possible, or the next stop.

Off the regular route.

Dark and poorly lighted.

The next stop.

13 / 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

14 / 40

The locking jaws of the kingpin should close around:

the base

the shank

the tip

the apex

15 / 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

16 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

1 1/2-ounce shot of 80 proof liquor

12-ounce glass of 5% beer

they all contain the same amount of alcohol

5-ounce glass of 12% wine

17 / 40

How do you test your service brakes?

release the air pressure and activate the parking brake

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

apply pressure to the brake pedal when moving at highway speeds

pull over and activate the parking brake

18 / 40

What handling effect should you expect when your tank has baffles?

The surge will be slower than a tank without baffles.

There is no difference in handling when you have baffles.

There will not be as much front to back surge compared to a tank without baffles.

There will not be as much side to side surge compared to a tank without baffles.

19 / 40

Select the true statement in regards to brake drums:

They are located at both ends of the axles of the vehicle.

All of these answers are correct.

Hold the brake linings and shoes.

They are bolted to the wheels.

20 / 40

Do empty trucks have the best braking?

yes, but only on wet surfaces

yes, but only if the truck is newer than 1998

yes

21 / 40

What is the benefit of ABS?

all of these answers are correct

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

it decreases your stopping distance

it provides an added layer of safety for truck drivers

22 / 40

Select the best description of a baffle tank:

None of the answers listed.

They are divided and have holes for liquid to flow through controlling surge.

They are tanks divided down into multiple smaller tanks.

It is one large tank.

23 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

Poisons

Flammable liquids

Flammable gases

Explosives

24 / 40

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

Steering linkage

Locking pin

Steering hoses/box

Air brake system

25 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

true

only in bad weather

only in ideal conditions

false

26 / 40

A tank trailer should never be fully loaded due to:

The baffles aren't as effective.

The will be more shifting of the load.

The movement is stronger.

The liquid can expand causing a leak from the trailer.

27 / 40

Under which two special conditions should you downshift?

before entering a curve and before going up a hill

if there is an accident and in sudden heavy rain

before starting down a hill and before going up a hill

before starting down a hill and before entering a curve

28 / 40

What is the purpose of a driver placarding his or her vehicle?

Giving people something interesting to look at while driving.

Warning those with children to drive in another lane.

Communicating risk.

Forcing other drivers to stay 20 feet away in every direction.

29 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

engine brakes

emergency brakes

hydraulic brakes

all answers listed

30 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

they take longer to stop when loaded down

they take longer to stop when they are empty

they take longer to stop than bobtail tractors

they take the same amount of time to stop when empty or loaded

31 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 7—radioactive materials

Class 4—live chickens

Class 3—flammable liquids

Class 1—explosives

32 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

None of these answers are correct.

Stop, look, and listen.

Stop, look, and turn on the radio lights overhead.

Stop, go, and stop.

33 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

Class 1 only

Class 4 only

Class 2 only

Classes 1, 2, 3, and 4

34 / 40

If you do become sleepy while driving, you should _____.

stop to sleep

roll down the windows

turn up the radio

drink caffeinated beverages

35 / 40

How do you test the trailer service brakes?

test the brakes out while driving at 5 mph

apply the hand control and check to see if you feel the trailer brakes come on

release air to the spring brakes

apply pressure to the brake pedal

36 / 40

A "transport index" relates to products that are:

Radioactive

Overweight

Meant for human consumption

Liquid

37 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

listen for brake sounds as you apply pressure off and on the trailer brakes

activate the parking brakes

lift the brake pedal up

release the tractor brakes

38 / 40

How do you make sure the trailer height is correct before coupling?

visually check that they are level height wise

you do not need to do a visual check

visually check that the lead trailer is higher than the fifth wheel so that the trailer will lower when the dolly is pushed under it

visually check that the rear trailer is lower than the fifth wheel so that the trailer raises slightly when the dolly is pushed under it

39 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

Only in populated areas

Only if you have more than 1,001 pounds of it

Yes

40 / 40

What should you do if you start a trailer skid?

release the brakes to get traction back

slowly apply a firm pressure to the brakes

use your trailer hand brake

quickly step on the brakes

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A minnesota Commercial Drivers License

Minnesota has set specific requirements of a CDL license for the operation of specific vehicles. The first is a combination vehicle that exceeds a gross weight of 26,000 pounds. Any single vehicle that exceeds the 26,000 pounds also requires a CDL. Vehicles intended to transport more than 15 passengers, including the driver, fall under the commercial driver’s license requirement. Any vehicle that requires hazardous material placards must be driven by a CDL driver. Lastly, any school bus driver must have their CDL. Applicants may file for a Class A, B, or C commercial driver’s license. Each class has its own restricts for the vehicle size and type that may be legally driven.All applicants must be 18 years of age or older to apply for a commercial driver’s license. A Hazardous Materials Endorsement may only be obtained by those who are 21 years of age or older. All applicants must possess a DOT medical card or submit a medical examiner certificate upon applying for their commercial driver’s license.

Driving Record And Disqualifications

Any conviction of driving an impaired vehicle within the past 24 months.
Current license is suspended, denied, canceled, or revoked.
Possessing a driver’s license from another state.

All CDL applicants must pass one or more knowledge tests and skills test to be eligible to receive their CDL.

Endorsements
H – Hazardous Materials
N – Tank Vehicle
P – Passenger Transport
S – School Bus
T – Doubles / Triples
X – Tanker and Hazardous Materials

Hit the Open Road

minnesota CDL License Test Tips

All applicants will be required to take one or more knowledge tests depending on the class and the endorsements they wish to obtain. Knowledge tests are given on paper and on the computer. All Class applicants must complete a 50 question knowledge test, with Class A applicants also required to complete 20 questions about combination vehicles. Endorsements require their own specific tests. For Passenger, Doubles/ Triples, and Tank Vehicle Endorsements applicants will be given a 20 question test. For School Bus Endorsement and Air Brake Restriction Removal a 25 question test will be given. A Hazardous Materials Endorsement requires a 30 question test. Test scores of 80 percent and higher are considered passed.

A skills test is required of all applicants to be taken in the type of vehicle in which they are seeking certification. The skills test is given in three different phases. These include the pre-trip inspection, basic control skills, and the road test. Applicants must pass all three phases of the skills test to receive their CDL. Additional skills tests are required for specific endorsements. These include Passenger and School Bus Endorsements as well as the Air Brake Restriction Removal.

Additional Information

Information on the Minnesota Department of Public Safety

The Minnesota Department of Public Safety provides administers CDL license requirements in Minnesota. To get more information contact them via:

Website: https://dps.mn.gov/divisions/dvs/Pages/drivers-license-information.aspx#ClassA

Phone: 651.297.5029

Additional Minnesota CDL Helpful Links

Please use the links below to access more valuable Minnesota CDL testing resources and to learn more about practice driving tests for the state of Minnesota.

minnesota CDL Practice Test