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

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

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

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

2 / 40

A placarded vehicle must have at least ___ placards?

three

two

six

four

3 / 40

Select which is not an engine compartement belt:

A power steering belt

A water pump belt

An air compressor belt

A safety belt

4 / 40

In the event of a tire failure you should...

disengage the clutch so you are in neutral gear

stay off the brake and hold the steering wheel firmly

accelerate quickly until you find a place to pull over

pump the brakes until you come to a stop

5 / 40

When driving in very hot temperatures, you should:

check your tires every 2 hours or every 100 miles

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

all of these answers are correct

insure that you have enough antifreeze in the system

6 / 40

Which of the following should you do when driving the school bus in high wind?

Drive only head-in to the wind to avoid cross-wind buffeting.

Keep a strong grip on the steering wheel and try to anticipate gust.

Pull off the road to wait for the winds to die down.

Speed up to get away from the wind as quickly as possible.

7 / 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.

8 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

ride the brakes

shift down 2 gears

accelerate

pump the brakes

9 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The un or na id number of the product.

The chemtrec phone number.

The date of manufacture.

The owner's puco or icc number.

10 / 40

Select the factors that can cause your brakes to fade or fail:

all of these answers are correct

using the service brakes excessively

not relying on engine braking enough

the brakes are out of adjustment

11 / 40

The reason a bulk liquid tanker is hard to handle is:

Because the cargo has a low center of gravity.

Because of the high friction point.

Because the cargo has a high density.

Because the cargo has a high center of gravity.

12 / 40

The best way to describe a dual air brake system is:

there is a primary and secondary system that is 2 separate air brake systems

all of these answers are correct

there are 2 separate air brake systems that supply air to the trailer if there is one

there are 2 separate air brake systems that have their own hoses, lines etc

13 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

you will come to a complete stop

nothing will occur until you try to use the brakes

the emergency tractor brakes will activate

the trailer's air tank will leak through the one line

14 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

package, trailer

invoice, shipping papers

trailer, packages

shipping papers, package

15 / 40

Why do air brakes take longer to stop than hydraulic brakes?

it takes more time for the air to flow through the lines

longer reaction time

the lines are hotter

none of the answers listed

16 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

Shift the gear to neutral.

Start the engine after getting in the cab.

Listen for any unsual noises after starting the engine.

Make sure the parking brake is activated after getting in the cab.

17 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

all answers listed

the kingpin is over the fifth wheel

the trailer will rise slightly when the converter dolly is backed underneath it

the center of the kingpin is past the locking jaw

18 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class A

Class C

Class D

Class B

19 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the last trailer of a triple

the last trailer of a double

the first trailer of a triples

the heaviest trailer

20 / 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

21 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

Minimum of 15 feet

Minimum of 2 feet

Minimum of 5 feet

Minimum of 10 feet

22 / 40

Select the true statement about emergency steering and tankers:

It is easier to counter steer than other vehicles.

None of the answers listed.

Have a firm grip on the steering wheel before making quick movements of the steering wheel.

Do not apply the brakes when making quick movements of the steering wheel.

23 / 40

To be sure that air is supplied to the second trailer:

crank the engine brake

keep an eye of the air gauge for a drop of 30 psi

open the emergency line shut off at the back of the second trailer

while driving at 10 mph, use the hand valve. The vehicle should stop in the same distance of a single trailer moving at 5 mph

24 / 40

At what pressure is the safety valve in the air compressor tank set to open?

225 psi

125 psi

100 psi

150 psi

25 / 40

Which two special conditions indicate that you should downshift?

starting up a hill and finishing a curve

starting up a hill and entering a curve

starting down a hill and entering a curve

starting down a hill and finishing a curve

26 / 40

To test the security of the tractor semi trailer connection you should:

you don't need to check it

with the trailer brakes locked, rock the trailer back and forth

put the tractor in a high gear and quickly pull ahead

look at it carefully after pulling forward gently in a low gear against the locked trailer brakes

27 / 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

28 / 40

Students exit the bus and walk:

Across the street.

The distance it takes to clear the danger zone.

At least 8 feet away from the side of the bus.

At least 10 feet away from the side of the bus.

29 / 40

The minimum tread depth for tires other than the front tires is ____.

4/32

1/32

2/32

3/32

30 / 40

Which trailer should be the first one after the tractor?

none of the answers listed

the trailer that is the shortest in length

the trailer that weighs the least

the trailer that weighs the most

31 / 40

How high should you crank the landing gear?

so that you can clear railroad tracks

for it to be 6 inches above the ground

as high up as it will go

until the crank handle is loose

32 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

The platform

The locking kingpin

The catwalk

The fifth wheel

33 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

By a 27,000 lbs gvwr or larger tow truck.

If the distance is less than 500 yards.

If getting off the bus would be more risky for the riders.

By another bus with its four-way flashers on.

34 / 40

What method should be used to test that the air is flowing to all the trailers?

only a certified mechanic can check for this

listen for air flow after opening the shutoff valves at the rear of the last trailer

check the pressure indicator dial on the final trailer

pump the brakes with the windows down

35 / 40

The best way to test the low air pressure warning signal is to:

apply pressure on and off the brakes while the engine is running

manually release the air out of your brakes to see if the signal activates

apply pressure on and off the brake pedal until the air pressure drops below 20 psi

apply pressure on and off the brake pedal with the engine off to drop the air pressure to below 60 psi

36 / 40

You should____in order to inspect the coupling.

make sure to have space between the lower and upper fifth wheel

have the fifth wheel jaws open

make sure the locking lever is in the open position

if necessary, use a flashlight

37 / 40

Which of the following is NOT a basic step to be taken at a crash scene?

gather the contact information of all the drivers involved

notify authorities

protect the area

care for the injured

38 / 40

After the initial drop, the maximum leakage rates per minute is:

4 psi for a combination vehicle and 3 psi for a single vehicle

3 psi for combination vehicle and 1 psi for single vehicle

10 psi for combination vehicle and 5 psi for single vehicle

6 psi for a combination vehicle and 5 psi for single vehicle

39 / 40

If you are drowsy, you should _____ before you drive.

get sleep

take a cold shower

drink coffee

do a little exercise

40 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

Never.

Only in the event of a federally declared emergency situation.

Only when the shipment does not cross state lines.

Only when the vehicle does not require placards.

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