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

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

Power steering fluid

Braking system

Steering linkage

CB radio

2 / 40

What is the normal operating range for a truck's oil pressure?

30-75 psi

This is engine-specific

40-60 psi

20-30 psi

3 / 40

Select the true statement in regards to a converter dolly:

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

none of the answers listed

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

4 / 40

What are the three types of emergency equipment that you must have with your vehicle?

first aid kit, fire extinguisher, flares

fire extinguisher, spare electrical fuses, warning devices for parked vehicles

warning devices for parked vehicles, first aid kit, flares

none of these answers are correct

5 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

drive at a high speed

quickly turn the steering wheel side to side

shift into a lower gear

increase engine rpm

6 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and latched

open and open

closed and open

closed and latched

7 / 40

Which of the following will confirm that you are driving with anti-lock brakes?

Yellow abs malfunction lamp on the instrument panel will light when you start the engine.

Red indicator lamp on the brake cylinder.

The bus operators manual.

The certification on the driver side door.

8 / 40

Select the true statement in regards to quick steering movements and double trailers:

it is easier to tip doubles and triples from quick steering movements than other vehicles

nothing will occur

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

it is easier to countersteer doubles/triples than other vehicles

9 / 40

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

time of day

weather

total weight of the vehicle and cargo

length and steepness of grade

10 / 40

Select the definition for outage:

It is the liquid that must be drained off to meet legal carry limit.

It is the process of liquid expansion as it becomes warm.

It is loss of power to the headlights.

It is how much power is lost to the hydraulics.

11 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

when the GVCW is above 20,000 lbs

yes

when the vehicle is runaway

12 / 40

You should adjust all the outside left and right side flat mirrors to see:

The passenger area inside the bus.

The rear right and left tires touching the ground as well as 200 feet behind the bus.

The entire area to the rear of the mirror along the side of the bus.

The children's exit path out of the main bus door.

13 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

stop and safely park your vehicle only continue once the issue has been resolved

decrease your speed and head to the closest mechanic

continue on with your trip

decrease your speed and test the other system

14 / 40

Some city transit buses may have a brake-door interlock system, this system:

Should be used in emergencies.

Releases the brakes.

Works when the rear door is open.

Should be used in place of the parking brake.

15 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

Mud flaps

Tires

Electric/air lines

The lockjaw

16 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

False

True

True but only in ideal conditions

True but only in rainy conditions

17 / 40

Select which is not an engine compartement belt:

A water pump belt

An air compressor belt

A power steering belt

A safety belt

18 / 40

Which of the following should you NOT do if you experience a tire failure?

hold the steering wheel firmly

stay off the brake pedal

you need to be aware that a tire has failed

engage the brakes hard and immediately

19 / 40

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

accelerating

safely backing

first aid certification

steering

20 / 40

Select the true statement about empty trucks:

They have better traction on wet roads than full tanks.

They can take longer to stop than a truck with a full tank.

They come to a stop faster when you use only the emergency brake.

All answers listed.

21 / 40

The object that doesn't get checked at the side of the trailer is the:

The frame

The locking pins/tandem release arm

The landing gear

Electrical/air connections

22 / 40

Select the true statement about double or triple trailers.

they present a rearward amplification hazard

they can roll over due to abrupt steering movements

all answers listed

they can have a dangerous "crack the whip" effect

23 / 40

Select what you should do before leaving the vehicle unattended:

remove the keys from the ignition

all of these answers are correct

apply the parking brakes

chock the wheels

24 / 40

What is the most important reason for doing a vehicle inspection?

federal and state laws require you to inspect your vehicle

to insure that you will achieve the best gas mileage

safety for yourself and other road users

to save you money by preventing costly repairs

25 / 40

When accelerating:

do not engage the clutch before you take your foot off the brake

"hammer down" when your wheels start to spin

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

26 / 40

What is the next step after securing the bus when you have an unruly child on board?

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

Unload the student at the next stop.

Remove the student from the vehilce for the safety of the other children.

Call school administrator or the police to remove the student.

27 / 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

look for brake lights from slowing vehicles

determine if there are any hills coming up

28 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

1 to 1 1/2 inches

1/2 to 1 inch

none

it depends on how heavy the load is

29 / 40

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

Back and turn toward the driver's side.

Back toward the side opposite the driver.

Back quickly while no one is coming.

Use your head as the mirrors are unreliable.

30 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

31 / 40

When driving with multiple trailers, which one should be right behind the tractor?

the trailer longest in length

the trailer with the heaviest load

the trailer with the smallest road

the trailers shortest in length

32 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

The surge will disconnect the tank from the truck.

No matter how you steer, you will continue in a straight line.

The tank will roll over.

Nothing will occur.

33 / 40

Select the true statement in regards to brake drums:

They are located at both ends of the axles of the vehicle.

They are bolted to the wheels.

All of these answers are correct.

Hold the brake linings and shoes.

34 / 40

You should check that the following makes an audible noise:

Radio system

Air leaks

Engine brakes

Electric or air horn

35 / 40

Select the true statement about dual air brake systems:

they are required to have two warning alarms

they have one set of controls for two air brake systems

they require less time to build up air pressure

they have a single set of air tanks and hoses

36 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the trailer pushes the towed vehicle sideways

when the trailer slides to the right into the shoulder

when the tractor spins around

when the tractor brakes lock up

37 / 40

Which of the following should you do when confronted by an aggressive driver?

all of these answers are correct

avoid eye contact

if you can safely do it, call the police from a cell phone

ignore rude gestures and refuse to react negatively

38 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

about 100 feet behind your vehicle

on the other side of a divided highway

within 10 feet of the front or rear corners

about 100 feet in front of your vehicle

39 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person attending the tanker must have a clear view of it.

The person in attendance must be within 50 ft of the tanker.

The person in attendance must be aware of the danger.

The person in attendance must be authorized and able to move the vehicle.

40 / 40

What is the movement of the liquid called when the tanks are partially filled?

Knocking

Crashing

Framing

Surging

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