Wisconsin
CDL Practice Test

Use these sample tests as you prepare to gain a CDL in Wisconsin. This site is free to use and you can take these practice tests as many times as you would like. The questions on these tests cover topics and regulations pertaining to the various class levels of CDL licenses in Wisconsin. 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. Good luck!

1 / 40

Why should you know the outage?

Heavier liquids don't require outage.

Just in case you become a contestant in a trivia competition.

Liquids expand different amounts.

Baffles are not always permitted with certain types of liquids.

2 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

lifts/door/ties

air brake lines

mud flaps

electric/air lines

3 / 40

What is the purpose of cladding in a tanker?

It protects the tanker form any corrosive cargo.

It controls the temperature of the cargo.

It protects the cargo from changes in temperature.

It eliminates liquid surge.

4 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply a full hand valve until you stop and press firmly on the brake pedal

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

rapidly and lightly pump the brake pedal

5 / 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

6 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

Yes

Impossible to tell without more information

Only if the arm is down telling vehicles to stop

7 / 40

What do you need to do to supply air to the air tanks of the second trailer?

close the shut off valves at the back of each trailer

open up the shutt off valves on the rear of the first trailer and close the shut off valve at the back of the second trailer

open the shut off valve at the back of both trailers

none of the answers listed

8 / 40

Should your air compressor stop working:

there will be no affect to your brakes

you will lose your ability to brake immediately

the brakes will lock up on you immediately

there will still be air pressure left in the air tanks

9 / 40

On the Hazardous Materials Table, column 1 shows:

How much of the material can be put in a vehicle without placarding.

How to ship an item.

What materials can be loaded together.

To what shipping mode the information on that line applies.

10 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

air brake system

leaks

power steering fluid

coolant level

11 / 40

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

double clutching

anti-lock braking

brake fade

engine braking

12 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 21, and 3

Classes 1, 3, and 6

Classes 1, 3, and 4

Classes 1, 4, and 51

13 / 40

What are you checking when looking at the lubrication level on a dipstick?

The oil level

The horn fluid level

The power steering fluid level

The windshield wiper fluid level

14 / 40

Select the statement that is not part of the air-brake system:

service brake system

clutch brake system

parking brake system

emergency brake system

15 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

as close as possible so other drivers won't cut in front of you

at a distance of 1 second for every 15 feet of your vehicle length

at a distance of 1 seconds for every 10 feet of your vehicle length

at a distance of 1 second for every 5 feet of your vehicle length

16 / 40

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

Back toward the side opposite the driver.

Back and turn toward the driver's side.

Use your head as the mirrors are unreliable.

Back quickly while no one is coming.

17 / 40

Cargo tanks are:

Only made in one size.

Filled while they are off your vehicle, then attached for transportation.

Bulk packaging temporarily attached to your vehicle.

Bulk packaging permanently attached to your vehicle.

18 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

Lifted neutral graftring.

None of these answers are correct.

Liquified natural gas.

Low-range pneumatic gearbox.

19 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in a 1/3 open position

in a closed position

in an open position

in a halfway closed position

20 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

8 seconds

6 seconds

5 seconds

7 seconds

21 / 40

Select the reason as to why air tanks need to be drained:

tanks usually do not need to be drained

to provide greater control of your vehicle

to release water and other contaminents which may cause brakes to fail in freezing weather

to prevent the left sided brake from locking up

22 / 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.

23 / 40

A tank vehicle:

Is a vehicle that can transport liquid.

Is a vehicle that can transport liquified gasses.

Is a vehicle that can transport bulk fertilizer.

All answers listed.

24 / 40

Upon what does the amount of liquid you can carry in a load depend?

The legal weight limits.

The weight of it.

The amount of expansion that will occur.

All of the answers listed.

25 / 40

When should you check your mirrors for a lane change?

All of these answers are correct.

Right after starting the lane change.

Before and after signaling the change.

After completing the lane change.

26 / 40

Which of the following parts do not get checked in the Bus Interior inspection:

Seat coverings.

Emergency exit handles.

Each hand-hold and railing.

Signaling devices, including the restroom emergency buzzer, if the bus has a restroom.

27 / 40

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

4 seconds

3 seconds

5 seconds

6 seconds

28 / 40

The most dangerous time during the school bus ride is:

Crossing railway crossing.

When the students become unruly on the bus.

When loading and unloading students.

On long bus journeys.

29 / 40

You should check that the following makes an audible noise:

Air leaks

Electric or air horn

Radio system

Engine brakes

30 / 40

Select the true statement about converter dollies:

they typically require a glad hand converter

they usually do not have spring brakes

because of their small size they have little braking power

all answers listed

31 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

All answers listed.

It can occur even with baffles inside that slow the flow.

It can occur even when driving at the posted speed limit.

It can occur when driving through a curve.

32 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

20 psi

They should never pop out

70 psi

40 psi

33 / 40

One reason hauling liquids in tank vehciles require special care is:

Because of the extreme weight.

Because of strong winds.

Because of the movement of the liquid.

Because of uneven expansion.

34 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

Steering linkage

CB radio

Braking system

Power steering fluid

35 / 40

If you are required to stop at railroad crossings, you must:

Proceed only when you are sure no train is coming.

Stop 15 to 50 feet before the nearest rail.

All of these answers are correct.

Remember to never shift gears while crossing tracks.

36 / 40

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

Have the hazardous materials highlighted.

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

Describe the hazardous materials first.

Any one of the above.

37 / 40

What should you do before you begin to couple?

activate the spring brakes

check your path for any hazards

inspect the condition of the frame of the tractor

position the fifth wheel beforehand

38 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

the front trailer is twice as likely

trailers will never turn over

the rear trailer is twice as likely

there is an even chance for either trailer

39 / 40

What is the correct number of red reflective triangles that you should carry?

seven

five

three

one

40 / 40

Suspension systems:

keep the load secure

keep the brake drums from failing

keep the axles in place

keep the steering wheel tight

Your score is

The average score is 42%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A Wisconsin Commercial Drivers License

To be eligible for a CDL in Wisconsin, applicants must meet the following age eligibility requirements:

Be at least 18 years old to operate a commercial vehicle intrastate (within Wisconsin only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of Wisconsin).

Wisconsin CDL applicants must be medically certified that they are physically fit to operate a commercial vehicle and pass a vision test.

Applicants are required to submit the following documents:

(Form MV3230) Commercial Driver: Tier of Operation
(Form MCSA-5876) Medical Examiner’s Certificate

Interstate non-excepted (drivers who do not work for the state or federal governments) must meet federal DOT requirements. Intrastate non-excepted drivers must meet the state requirements.

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Wisconsin. Applicants can be disqualified for having multiple licenses.

Endorsements

H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer
X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

Wisconsin CDL License Test Tips

Knowledge Test
All Wisconsin CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the Wisconsin test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees.

Skills Test
The Wisconsin skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military CDL Waivers
Military veterans and current military members can apply to have the skills exam waived if they meet the requirements.

To qualify for a waiver, applicants must:

Reside in Wisconsin.
Be currently active in the military.
Have operated a commercial vehicle as part of their military duties.
Have been honorably discharged from the military within the past 12 months.
Submit (Form MV3588) Military Service CDL Skills Test Waiver Application. (A portion of this document must be completed by the commanding or training officer.

Additional Information

Information on the Wisconsin Department of Transportation

The State of Wisconsin Department of Transportation is the authority for CDL regulations in Wisconsin. To get more information contact them via:

Website: https://wisconsindot.gov/Pages/dmv/com-drv-vehs/cdl-how-aply/cdl-how-to-apply.aspx

Phone: 608.264.7447

Additional Wisconsin CDL Helpful Links

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

Wisconsin CDL Practice Test