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

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

in a closed position

in an open position

in a closed position for the rear trailer and an open position for the front trailers

in an open position for the rear trailer and a closed position for the front trailer

2 / 40

Select when you should use the hand valve to park a combination vehicle.

when parking at a loading dock

when parking in a commercial lot

when parking on a downgrade

never

3 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

2 psi a minute

6 psi a minute

5 psi a minute

3 psi a minute

4 / 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, 4, and 51

Classes 1, 3, and 6

Classes 1, 3, and 4

5 / 40

In the event of an accident you should remember to do the following EXCEPT:

protect the area

notify authorities

stop any bleeding and keep the victims warm

move the victims out of the way immediately

6 / 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?

you should hear air escape from the open valve

the service brakes will move to a fully applied position

the emergency air line will release air

none of the answers listed

7 / 40

Which of the following about the front tires on a commercial bus is true?

Can be regrooved or recapped as long as they have 4/32 tread depth.

Must not have recapped or regrooved tires.

Must not be recapped, but can be regrooved.

Can be recapped, but never regrooved.

8 / 40

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

emergency brakes

hydraulic brakes

all answers listed

engine brakes

9 / 40

A portable tank differs from a cargo tank in that ______.

none of these answers are correct

cargo tanks are bulk containers, which are not permanently attached to a vehicle

portable tanks are bulk containers, which are permanently attached to a vehicle

portable tanks are bulk containers, which are not permanently attached to a vehicle

10 / 40

What might happen if a trailer is too high when you try to couple?

all answers listed

it may not correctly couple

the queen pin may fall off

the trailer may tip to the side

11 / 40

How do you secure a second trailer to your combination vehicle?

use wheel chocks only

use emergency air brakes, spring brakes, and wheel chocks together

use the emergency air brakes or the trailer's spring brakes only

none of the answers listed

12 / 40

How often should you check your cargo?

every 150 miles or every three hours

within the first 50 miles after beginning a trip

all of these answers are correct

after every break you take during driving

13 / 40

What is the most important reason for doing a school bus inspection?

For safety required by federal, state, and local laws.

To check for flat tires.

To give the mechanic something to do.

To assist the school principal with their report.

14 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

shift up into a high gear and let off the clutch quickly

shifting down to a low gear and trying to pull forward gently

all answers listed

while in neutral increase the rpm to 1500

15 / 40

What is the value of the overhead rear-view mirror inside of the bus?

To check blind spots.

To monitor the driver's appearance.

To monitor passenger activity.

To provide visibility directly in the back of the bus.

16 / 40

Why should you cover cargo?

all of these answers are correct

to protect your cargo from bad weather

because many states require it

to protect individuals from any spilled cargo

17 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least twenty feet

At least ten feet

At least half a mile

At least five feet

18 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

lock brake system

engine brake system

service brake system

none of the answers listed

19 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

pull forward 25 feet, turn to the left, and then to the right

pull forward 25 feet, turn to the right, and then to the left

pull the tractor ahead gently with the trailer brakes locked down

pull the tractor at a sharp right to release the trailer brakes

20 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

Any more than 500 feet.

Any more that 450 feet.

Any more than safety required.

In an upwind direction.

21 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

School district policies and police involvement.

Vehicles and drivers.

Vehicles and road conditions.

Bus drivers and driver training.

22 / 40

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

look for vehicles coming into your lane

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

determine if there are any hills coming up

look for brake lights from slowing vehicles

23 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

first aid certification

steering

accelerating

safely backing

24 / 40

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

at a normal pressure

at a level of 70 and 90 psi

at half of its normal pressure

at a level of 50 and 70 psi

25 / 40

Which trailer should be the first one after the tractor?

the trailer that is the shortest in length

the trailer that weighs the most

none of the answers listed

the trailer that weighs the least

26 / 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 remain seated while the bus is in motion.

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.

27 / 40

When is it best to wear your seat belt?

Always.

Only if your bus holds more than 27 people.

Only if required by company policy.

Only when you will be driving over 35 mph.

28 / 40

Remember to____when connecting the converter dolly to the rear trailer.

all answers listed

lock the trailer brakes

ensure that the landing gear is slighty off of the ground

check the trailer height

29 / 40

What can you do at an accident site to help avoid another accident?

leave your vehicle, do nothing, and get to higher ground

put out warning devices so people don't run into the accident site

stay in your vehicle and do nothing until help arrives

have a drink to calm your nerves

30 / 40

You must keep shipping papers describing hazardous materials ______.

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

within 100 feet of the hazardous materials at all times

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

with the bills of lading

31 / 40

What does it mean when the safety valve releases air?

all of these answers are correct

you need it to have it checked out by a mechanic because something is wrong

there is too much air in the air compressor

pressure has passed 150 psi

32 / 40

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

main spring

tie rod

hydraulic fluid reservoir

steering knuckle

33 / 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.

registered, uniform hazardous waste manifest

trucking, uniform hazardous waste manifest

responsible, papers

licensed, manifest

34 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

so no one moves the vehicle while you are inspecting underneath it

so you don't lose it

you will need it to open the side box

you will need it to inspect the trailer

35 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

use the trailer brakes only

do stab or controlled braking

none of the answers listed

slam down the brake pedal and keep pressure on it

36 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

Hazardous waste manifest.

Segregation and separation chart.

List of hazardous materials and reportable quantities.

Hazardous materials table.

37 / 40

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

about 12 degrees to the left

about 12 degrees to the right

directly behind the trailer

directly in front of the trailer

38 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

only at the end of a shift

only in a level loading dock

false

true

39 / 40

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

Driving axle tires.

Parking axle tires.

Non-steer axle tires.

Donut tires.

40 / 40

A driver that hauls hazardous materials must attend training every:

None of these answers are correct

2 years

3 years

1 year

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

CDL Category Practice Tests

CDL Practice Test

How To Get A Wisconsin Commercial Drivers License

Hit the Open Road

Wisconsin CDL License Test Tips

Additional Information

Information on the Wisconsin Department of Transportation

Additional Wisconsin CDL Helpful Links

Wisconsin
CDL Practice Test