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

When stopped on a divided highway where should your reflectors be placed?

20 feet, 150 feet, and 300 feet toward the approaching traffic

10 feet, 100 feet, and 200 feet toward the approaching traffic

30 feet, 100 feet, and 150 feet toward the approaching traffic

15 feet, 75 feet, and 150 feet toward the approaching traffic

2 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when the brakes will be applied

it controls when the warning system is activated

it controls when the air compressor pumps air into the storage tanks

it controls when air is released from the storage tank

3 / 40

If you are stopped on an incline, how can you start moving without rolling back?

aggressively pump the accelerator

fully engage the clutch

apply the parking brake

shift to neutral

4 / 40

Select the true statement about seeing ahead.

many individuals do not look far enough ahead while driving

good drivers will shift their attention from far and near and back and forth

all answers listed

you should look up to 1/4 mile ahead when driving at highway speeds

5 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

Class 4 only

Class 1 only

Class 2 only

Classes 1, 2, 3, and 4

6 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about two car lengths

about 1/4 mile

about the length of a football field or 100 yards

about two truck lengths

7 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

drive while intoxicated

have the brakes properly adjusted

have the fifth wheel's free play as tight as possible

take turns slowly

8 / 40

Check to ensure that____when inspecting the coupling.

the landing gear handle is free to hang down

the electrical cable is unplugged

there is no slack at all in the air lines

there is minimal slack in the air lines

9 / 40

How do you know when your brakes are fading?

your speed increases when pressure is removed from the brake pedal

the brake pedal flops to the cabin floor

to control your speed on a downgrade you have to apply less pressure to the break pedal

to control your speed on a downgrade you have to push harder on the brake pedal

10 / 40

Under which two special conditions should you downshift?

before starting down a hill and before going up a hill

if there is an accident and in sudden heavy rain

before starting down a hill and before entering a curve

before entering a curve and before going up a hill

11 / 40

When accelerating:

speed up smoothly and gradually and avoid jerking

always use the parking brake to slow down

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

"hammer down" when your wheels start to spin

12 / 40

Your rig should be parked on__to uncouple double trailers.

a downgrade

the company's lot

grass

level ground

13 / 40

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

True

True but only in rainy conditions

False

True but only in ideal conditions

14 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

there is an even chance for either trailer

the rear trailer is twice as likely

the front trailer is twice as likely

trailers will never turn over

15 / 40

Why are you required to take an exam about air brakes?

you cannot receive a CDL at all otherwise

you would have to get a CDL with a restriction otherwise

it is a federal requirement

all trucks have air brakes

16 / 40

Commerical vehicles typically have this type of brake.

drum brakes

rectangle brakes

stab brakes

S-Cam brakes

17 / 40

Tires should should be replaced:

when the tread separates

when there are broken valve stems

all of these answers are correct

if the tread depth on your front tires is less than 4/32 deep

18 / 40

What is the purpose of cladding in a tanker?

It eliminates liquid surge.

It protects the cargo from changes in temperature.

It controls the temperature of the cargo.

It protects the tanker form any corrosive cargo.

19 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

mud flaps

electric/air lines

lifts/door/ties

air brake lines

20 / 40

Which of the following types of cargo must never be carried on a bus with passengers?

Emergency hospital supplies

Emergency drug shipments

Small arms ammunition (orm-d)

Tear gas

21 / 40

Liquid surge affects the handling of a tanker by:

Allowing you to stop faster.

Allowing you to take tighter turns.

Moving the truck in the direction of liquid flow.

Decreasing the wind drag.

22 / 40

The brake pushrod should not move more than____for manual slack adjusters.

1-2 inches while the brakes are set

movement is not allowed

an inch when pulled by hand with the brakes released

checking is not required in vehicles built after 1994 as they have automatic slack adjusters

23 / 40

What can side to side surge cause?

A roll over.

An engine system failure.

A spontaneous combustion.

An increase in speed.

24 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

6 seconds

7 seconds

5 seconds

8 seconds

25 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

both of the answers listed

none of the answers listed

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

26 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

chock the wheels and release the parking brakes after parking on a level ground

drain off air pressure before adjusting after parking on level ground

apply the parking brake after stopping on level ground

after parking on a slight grade, release the parking brake, activate the service brakes and check for vehicle movements

27 / 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

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

28 / 40

What does the amount of liquid allowed in the tank depend on?

Whether and how much the liquid will expand during the trip.

All answers listed.

The legally allowed weight limits.

The size of the tank.

29 / 40

You should be in the proper gear before going down a hill because:

water may build up in the air tanks if you do not rely on the engine brake

it builds up the air pressure in the air tanks

it helps control your speed better

brakes may fail or fade from excessive heat due to relying on them too much and not using the engine brake effect

30 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

31 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

supply air to the trailer system and then pull the air supply knob out

press down on the brake pedal twice

all answers listed

have the trailer brakes off

32 / 40

Select the true statement in regards to converter dollies:

they typically do not have spring brakes

they typically have small braking power because of their size

they typically require a hand converter

they typically have a lot of stopping power because of their size

33 / 40

Where are shut-off valves located?

either at the front or the back of the trailer

at the back of the trailer

at the front of the trailer

at the front and back of the trailer

34 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

ride the brake

slightly accelerate

shift down 2 gears

none of the answers listed

35 / 40

Before pulling away, make sure the landing gear of the trailer is:

Raised and that the handle is secured.

Down and that the handle is secured.

Raised and that the handle is hanging free.

Down and that the handle is hanging free.

36 / 40

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

The catwalk

The platform

The fifth wheel

The locking kingpin

37 / 40

Select whether the following statement is true or false: Front wheel brakes are good to use in all conditions.

only in bad weather

only in ideal conditions

true

false

38 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

for small vehicles only

yes

for large vehicles only

39 / 40

You should___to reduce the air leakage rate.

release the service brake as the engine is running

leave the engine running while charging the air system

monitor the air pressure gauge as you press on the brake pedal

release the service brake after turning off the engine

40 / 40

What is the purpose of the supply pressure gauge?

to inform you of how much air is in the tank

to inform you about how hot the air in the tank is

to inform you if there is too little air in the tank

all of these answers are correct

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