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

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

Brake pressure

Spring pressure

All of these answers are correct

Air pressure

2 / 40

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

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

in a closed position

3 / 40

You should have the fifth wheel plate greased as recommened because:

it will reduce noise and heat

it will ensure a good air line connection

it will ensure a good electrical connection

it will prevent steering problems

4 / 40

Select the statement that best describes what the trailer air supply control does:

when pushed in it supplies the tractor with air and when pulled out it supplies the trailer with air

when pushed it it supplies the trailer with air and when pulled out it supplies the tractor with air

when pushed in it supplies the trailer with air and when you pull it out it shuts off the air supply and puts on the trailer emergency brakes

when pulled out it supplies the trailer with air and when pushed in it shuts off the air and puts on the trailer emergency brakes

5 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

Turn it off before unhooking.

Turn if off after unhooking.

Turn it off on arrival—use other power to run the pump.

Leave it on the entire time.

6 / 40

Select the true statement about convex ("spot") mirrors.

you do not need to look at them as often as flat mirrors

they are against the law in the majority of states

they make things look farther away and smaller than they actually are

they make things closer and larger than they really are

7 / 40

When approaching a school bus stop, you should:

Activate your overhead amber lights.

Continuously check all mirrors.

Gradually decrease speed until the stop.

All of these answers are correct.

8 / 40

How should the pintle hook be when backing a dolly under the second trailer?

in the unlatched position

removed from the dolly

in the latched position

in a halfway open position

9 / 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, 3, and 4

Classes 1, 4, and 51

Classes 1, 21, and 3

Classes 1, 3, and 6

10 / 40

Carry-on baggage cannot be stored:

On the seats.

Under the seat.

In the aisles and stairwells.

Behind the seats.

11 / 40

A placarded vehicle must have at least ___ placards?

six

three

two

four

12 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

tailgating

road rage

defensive driving

aggressive driving

13 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

The apron

The fifth wheel

The header board

The platform

14 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

brake drums

air lines

brake disc

slack adjusters

15 / 40

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

Properly labeled poison gas canisters.

Materials labeled radioactive in the space occupied by people.

Properly secured tear gas canisters.

Small-arms ammunition.

16 / 40

The minimum tire tread depth for front tires is:

4/32-inch

1/2-inch

1/32-inch

3/8-inch

17 / 40

After coupling with a trailer, what position should the front trailer supports be in before driving away?

none of the answers listed

raised to the top and then taken 3 cranks down and the crank handle stored in its bracket

in the fully raised position with the crank handle secured to its bracket

raised half way with the crank handle stored in the cab

18 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

the last trailer

the tractor

the second trailer

the first trailer

19 / 40

In column 1, the "D" symbol means:

Domestic transportation

Detonators

Domestic restrictions

Devices

20 / 40

The minimum tread depth for steering axle tires is:

None of the answers listed

14 mm

2/23 inch

4/32 inch

21 / 40

Select when you should use the parking brake:

when in residential areas

when you are leaving your vehicle for more than an hour

with rare exception, every time you leave your vehicle

each time you leave your vehicle for any amount of time

22 / 40

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

first aid certification

safely backing

steering

accelerating

23 / 40

Select the false statement about tractor protection valves.

air is allowed to leak from the tractor line when it is closed

the trailer air supply valve in the cab controls it

if the air pressure is low it will automatically close

should the trailer air leak, it keeps the air in the tractor

24 / 40

When should you drain air tanks that do not have an automatic tank drain?

once every 7 days

once every 14 days

at the end of each working day

every 4 hours of the working shift

25 / 40

What is the reason that placards are used?

communicate the risk

to prevent terrorism

it is the law

so hazmat is not mixed with food

26 / 40

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

ensuring the freshness of sealed cargo

recognizing possible overloads

making sure that cargo is properly secured

inspecting the cargo

27 / 40

When driving in very hot temperatures, you should:

all of these answers are correct

let your tires cool down (remain stopped) if they are too hot to touch

check your tires every 2 hours or every 100 miles

insure that you have enough antifreeze in the system

28 / 40

How often should air tanks be drained?

every 4-5 days

every 6 hours

every 7 days

once a day

29 / 40

Which of these statements about speed management and braking is true?

The total stopping distance of a bus is the distance it takes to stop once the brakes are applied.

Stopping time increases by one second for each 10 mph over 20 mph.

You need about four times as much stopping distance at 40 mph as at 20 mph.

The posted speed limit will always allow you to stop safely.

30 / 40

Which of the following is not a prohibited practice on the bus:

Refueling in a closed building with riders on board.

Towing a disabled bus with riders aboard when getting off would be a safe option.

Fueling your bus with riders on board if about to run out of fuel.

Talking with riders while driving.

31 / 40

The method for testing hydraulic brakes for leaks is to _____.

hold the brake down for 5 seconds and listen for leaks

pump the brake pedal 3 times and apply firm pressure for 5 seconds the pedal should not move

pump the brake pedal 5 times and apply firm pressure for 3 seconds the pedal should not move

all of these answers are correct

32 / 40

This object should not be worn dangerously thin where visible.

The brake chambers

The air system lines

The brake linings

All answers listed

33 / 40

For any flatbed load you must have at least ____ tie downs.

six

two

one

four

34 / 40

With the controlled braking method, you _____?

lightly apply braking pressure

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

35 / 40

The most stable tanker shape is:

Cylindrical

Round

Square

Elliptical

36 / 40

The purpose for the emergency air line is:

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

none of the answers listed

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

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

37 / 40

To avoid rollover when going through a curve, the best thing to do is:

Drive at a speed below the posted speed limit.

Drive at a speed higher than the posted speed limit.

Pump the brakes through the curve.

Ride the brakes through the curve.

38 / 40

Select the true statement about emergency brakes:

they are required to be held on by a mechanical force

all of these answers are correct

they are required to be activated the loss of air pressure

they are required on all commercial vehicles

39 / 40

Select the statement that is true in regards to quick steering movements and triple/double trailers:

they flip over due to quick steering movements a lot easier than other vehicles

there are no issues that occur from quick steering

as you perform quick steering movements you should apply pressure to the brake pedal

it is easier to countersteer compared to other vehicles

40 / 40

Do converter dollies have spring brakes?

some do

none of the answers listed

yes

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