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

Which of the following statements is true about speed management?

All of these answers are correct.

Speed limits for buses are the same as cars.

The posted speed limit is safe for all conditions.

You should be able to stop within the distance that you can see ahead.

2 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

determine if there are any upcoming traffic lights that might require you to stop

look for vehicles coming into your lane

determine if there are any hills coming up

look for brake lights from slowing vehicles

3 / 40

What does outage mean?

It is the allowance needed for the expansion of liquid.

It is how quickly the tanks drain.

It is the movement of the liquid.

It is the weight of the liquid.

4 / 40

A driver that hauls hazardous materials must attend training every:

3 years

2 years

None of these answers are correct

1 year

5 / 40

An oncoming vehicle keeps its high beams on. You should deal with this hazard by:

Look slightly to the right at a right lane or edge marking, if available.

Turning your high beams on to "get back at them".

None of these answers are correct.

Quickly flash your high beams to give them fair warning.

6 / 40

You should turn off your engine when loading flammable liquid unless:

You are loading at night and need the headlights.

The material does not need a placard.

You are a non-smoker.

You need the engine to run the pump.

7 / 40

A placard is required for a combustible liquid at?

100 gallons

110 gallons

Any amount

1,001 pounds or more

8 / 40

The purpose for the emergency air line is:

none of the answers listed

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

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

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

9 / 40

To transport cargo safely, which of these are you NOT responsible for?

ensuring the freshness of sealed cargo

recognizing possible overloads

inspecting the cargo

making sure that cargo is properly secured

10 / 40

Select the true statement in regards to the braking power of spring brakes.

it will not be affect by the condition of the service brakes

it depends on the adjustment of the service brakes

braking power can only be tested by licensed mechanics

the braking prower increases when the brakes are hot

11 / 40

The most dangerous time during the school bus ride is:

When the students become unruly on the bus.

Crossing railway crossing.

When loading and unloading students.

On long bus journeys.

12 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

only in ideal conditions

true

only in raining conditions

false

13 / 40

An example of a low pressure warning signal for air brakes is:

a buzzer

a wig wag mechanical arm

red light

all of these answers are correct

14 / 40

A shipper’s certification is best described as _____.

a paper certification from the manufacturer given to the shipper

a test for shippers that certifies that they are qualified to package hazardous materials

a paper certification given to the manufacturer from the shipper

a certification that the package has been prepared according to the rules when the shipper packages hazardous materials

15 / 40

How should you inspect a converter dolly?

as if it is cargo

as if it is an engine

as if it is an axle with a fifth wheel

as if it is a trailer

16 / 40

Select the true statement about seeing ahead.

good drivers will shift their attention from far and near and back and forth

you should look up to 1/4 mile ahead when driving at highway speeds

all answers listed

many individuals do not look far enough ahead while driving

17 / 40

The blind spot behind the bus could extend to how many feet?

300 feet

100 feet

200 feet

400 feet

18 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

the tractor protection valve will close

the trailer supply valve will remain open

the tractor will gain air pressure

the tractor to lose all air pressure in the tanks

19 / 40

Why does it take special skills to haul a tank vehicle?

There is a high center of gravity.

All of the answers listed.

It is top heavy.

The weight of the load is high up off the road.

20 / 40

Water is drained from the compressed air tanks because:

braking power is decreased due to the low boiling point of water

to keep the oil in the air compressor clean

the water will over cool the compressor

the water could freeze in cold weather and cause braking failure

21 / 40

What can side to side surge cause?

An increase in speed.

A spontaneous combustion.

A roll over.

An engine system failure.

22 / 40

It is good practice to_____when uncoupling.

make sure the electrical cable is hanging with the plug end down

have the glad hands coupled to the dummy couplers

have the glad hands coupled together

all answers are appropriate

23 / 40

When accelerating:

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

"hammer down" when your wheels start to spin

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

24 / 40

Alcohol evaporators in some air brake systems help to:

cleans out oil from the air lines

decrease the chances of ice in the air brake valves in cold weather

decreases the risk of water in the air brake valves in cold weather

it removes fuel from the air lines

25 / 40

To maintain alertness during the trip, drivers should:

avoid medications that cause drowsiness

get 8-9 hours of sleep

schedule trips during the daytime hours

all of these answers are correct

26 / 40

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

There is a traffic light showing green.

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

None of these answers are correct.

Both of these answers are correct.

27 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

Materials labeled radioactive in the space occupied by people.

Properly labeled poison gas canisters.

Properly secured tear gas canisters.

Small-arms ammunition.

28 / 40

How should the trailer be lined up when preparing to back the tractor up?

about 12 degrees to the right

about 12 degrees to the left

directly behind the trailer

directly in front of the trailer

29 / 40

What does the amount of liquid allowed in the tank depend on?

All answers listed.

Whether and how much the liquid will expand during the trip.

The size of the tank.

The legally allowed weight limits.

30 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when air is released from the storage tank

it controls when the warning system is activated

it controls when the brakes will be applied

it controls when the air compressor pumps air into the storage tanks

31 / 40

Which of the following statements about downshifting is NOT true?

downshift before starting down a hill

downshift before climbing a hill

downshift when you get to the bottom of a hill

downshift before entering a curve

32 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

the service brakes will move to a fully applied position

the emergency air line will release air

you should hear air escape from the open valve

none of the answers listed

33 / 40

You downshift automatic transmissions ______.

none of these answers are correct

half way down a hill

before going down a hill

at the bottom of a hill

34 / 40

Why is understanding the loading and unloading procedures so critical?

Because only high school students understand how to cross the road.

Because motorists ignore students walking to school.

Because school district officials have the authority to conduct surprise quizzes and you must know the correct answers to keep your job.

Because many students are killed while getting on and off a school bus each year.

35 / 40

Remember to_____when steering to avoid a crash while driving doubles.

all answers listed

have both hands on the steering wheel

keep your foot off the brake while turning

be prepared to counter-steer

36 / 40

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

Class 1 only

Classes 1, 2, 3, and 4

Class 2 only

Class 4 only

37 / 40

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

Shift into park

An inspection

Registration of driving plan

Clean the vehicle

38 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

it makes no difference

in the front

in the back

in the middle

39 / 40

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

50 feet

30 feet

5 feet

100 feet

40 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

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