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

Select the true statement:

Wait as long as possible to brake when driving a heavy vehicle.

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

None of the answers listed.

2 / 40

Why is understanding the loading and unloading procedures so critical?

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

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

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.

3 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

At least 100 feet.

At least 25 feet.

At least 75 feet.

At least 50 feet.

4 / 40

The emergency air line is used to:

to alert emegency services when there is a problem

engage the trailer brakes when there is an air pressure loss

engage the tractor's front brake when there is air pressure loss

provide back up air pressure

5 / 40

When does stab braking occur?

when the wheels start rolling, apply the brakes

all of these answers are correct

when the wheels lock up, release the brakes

apply pressure all the way on the brake pedal

6 / 40

Select the true statement in regards to stopping distance and speed:

A wet road will double the stopping distance at any speed.

All answers listed.

Larger / heavier vehicles generally take longer to stop.

You require 4 times as much stopping distance when driving at 40 mph compared to 20 mph.

7 / 40

Select the true statement in regards to a converter dolly:

it is a coupling device with one or two axles and a fifth wheel with which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

none of the answers listed

it is a coupling device with only two axles and a sixth wheel to which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

it is a connecting device consisting of one axle which disconnects a semitrailer combination vehicle converting it into two separate trailers

8 / 40

Always try to back toward the driver's side because

all of these answers are correct

it's more comfortable for turning your neck

you can see better, watching the vehicle rear out the side window

your truck will naturally pull toward the driver's side

9 / 40

What are some of the important parts in the steering system?

tie rod, spindle, pitman arm

main spring, axle, spring shackle

rim, lug nuts, tire

leaf spring, vehicle frame, torque rod

10 / 40

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

Because of uneven expansion.

Because of the movement of the liquid.

Because of strong winds.

Because of the extreme weight.

11 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a locked glove compartment anytime you are outside of the vehicle.

In a fire-safe pouch under the passenger seat while you are driving.

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

On the driver's seat anytime you are outside of the vehicle.

12 / 40

You need to be extra careful when driving smooth bore tanks:

All answers listed.

When hauling food or milk products.

When stopping or starting.

When unloading or loading.

13 / 40

Select the statement that tells you how you can check the low pressure warning signal.

Turn the electrical power off and apply pressure on and off the brake pedal to decrease air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 30 psi in the air tank.

Turn the electrical power on and apply pressure on and off the brake pedal to decrease the air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 60 psi in the air tank.

Turn the electrical power on and apply pressure on and off the brake pedal to increase air tank pressure. The low air pressure warning signal must come on before the pressure increases to more than 60 psi in the air tank.

The low pressure warning signal is only testable by the factory.

14 / 40

Which of the following is a necessary qualification for non-bulk packaging?

All of these answers are necessary qualifications.

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

15 / 40

You should_____when an emergency requires you to quickly stop your tanker.

turn off the abs and brace for impact

use the emergency brakes only

keep a firm pressure on the brake pedal

use stab or controlled braking

16 / 40

A tank vehicle:

Is a vehicle that can transport bulk fertilizer.

All answers listed.

Is a vehicle that can transport liquified gasses.

Is a vehicle that can transport liquid.

17 / 40

Why should you cover cargo?

all of these answers are correct

because many states require it

to protect your cargo from bad weather

to protect individuals from any spilled cargo

18 / 40

How much space should there be between the lower and upper fifth wheel?

zero

it is dependent on the load you are carrying

1 to 2 inches

1/4 to 1/2 of an inch

19 / 40

The locking jaws of the kingpin should close around:

the tip

the base

the shank

the apex

20 / 40

What can side to side surge cause?

A spontaneous combustion.

A roll over.

An engine system failure.

An increase in speed.

21 / 40

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

Remember to never shift gears while crossing tracks.

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.

22 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

length and steepness of grade

weather

time of day

total weight of the vehicle and cargo

23 / 40

Select the best description of a baffle tank:

They are tanks divided down into multiple smaller tanks.

They are divided and have holes for liquid to flow through controlling surge.

It is one large tank.

None of the answers listed.

24 / 40

Select the correct description for a bulkhead tank.

They are divided with holes to allow liquid to flow through controlling surge.

They are divided down into smaller tanks.

It is one large tank.

None of the answers listed.

25 / 40

You can be sure air is supplied to the second trailer by:

going to the rear of the second trailer and open the emergency line shut off

while driving at 10 mph apply the hand valve you should stop at the same in the same distance as a single trailer driving at 5 mph

watch the air gauge for a drop of 30 psi

you should get out and listen for air flowing through the lines

26 / 40

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

free, closed

latched, open

free, open

latched, closed

27 / 40

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

Must not be recapped, but can be regrooved.

Must not have recapped or regrooved tires.

Can be recapped, but never regrooved.

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

28 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

None of the answers listed

Lug nuts

Bolt spacers

Rims

29 / 40

How high should you crank the landing gear?

as high up as it will go

so that you can clear railroad tracks

until the crank handle is loose

for it to be 6 inches above the ground

30 / 40

Check to ensure that____when inspecting the coupling.

the electrical cable is unplugged

the landing gear handle is free to hang down

there is no slack at all in the air lines

there is minimal slack in the air lines

31 / 40

When must a driver’s inspection report be completed?

Only if defects are found.

At the end of each shift.

Before driving your bus.

All of these answers are correct.

32 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

Corrosives and oxidizers

Acids and poisons

Explosives A and B

Liquids

33 / 40

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

Pump the brakes through the curve.

Drive at a speed below the posted speed limit.

Ride the brakes through the curve.

Drive at a speed higher than the posted speed limit.

34 / 40

What is a technical name?

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The name for a hazardous material most commonly used on the street.

The medical term for hazardous materials used by medical personnel.

35 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

only use the braking that is necessary to safely stay in control of the vehicle

you should drive at a higher speed to keep the trailer in line

you should monitor the tractor and trailer as you decrease your speed to keep control

you should brake in the same manner regardless of what you are driving

36 / 40

When driving tank vehicles you should:

Decrease your speed before entering a curve and then accelerate through it.

Maintain the posted speed limit as you enter the curve.

Come to a stop before entering a curve and then accelerate through it.

None of the answers listed.

37 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

4 seconds

7 seconds

3 seconds

6 seconds

38 / 40

Which of the following statements about bus evacuation is true?

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

If time allows, notify the police.

If time allows, backup to the stop before evacuating the bus.

If time allows, walk through the bus and close all windows.

39 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

that there are no leaks in the air brake system

that the registration is in the cup holder

that the radio transmits a signal

that the tire tread is sufficient for the expected driving conditions

40 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

none of the answers listed

the hand valve will activate the tractor brakes instead of the trailer brakes

the brake pedal will activate the trailer spring brakes instead of the air brakes

if there are no spring brakes, you can drive on but there will be no trailer brakes

Your score is

The average score is 0%

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