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

Why does it take special skills to haul a tank vehicle?

There is a high center of gravity.

The weight of the load is high up off the road.

All of the answers listed.

It is top heavy.

2 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

Lug bolts

Frame

Fifth wheel

Spacers

3 / 40

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

only in ideal conditions

only in bad weather

true

false

4 / 40

Do converter dollies have spring brakes?

none of the answers listed

yes

some do

5 / 40

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

The header board

The fifth wheel

The platform

The apron

6 / 40

If your engine runs a pump used during delivery of compressed gas, should you turn off the engine before or after unhooking hoses after delivery?

None of these answers are correct.

Turn it off during product transfer, while unhooking the hose.

Turn it off before product transfer, before you hook the hose.

Turn it off after product transfer, before you unhook the hose.

7 / 40

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

for small vehicles only

for large vehicles only

yes

8 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

Connector rods

Brake drums

Slack pieces

Brake lines/hoses

9 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

None of these answers are correct.

A 200 inch wheelbase trailer.

A placarded cargo tank.

Two or more trailers.

10 / 40

Commerical vehicles typically have this type of brake.

rectangle brakes

stab brakes

drum brakes

S-Cam brakes

11 / 40

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

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

none of the answers listed

raised half way with the crank handle stored in the cab

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

12 / 40

When transporting both hazardous and non hazardous materials, your bills must:

Describe the hazardous materials first.

Identify the materials by the letter x or rq in the hm column.

Have the hazardous materials highlighted.

Any one of the above.

13 / 40

What kind of surge can occur in a tank with baffles?

Bottom to top

Back to front

All answers listed

Side to side

14 / 40

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

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

it controls when the brakes will be applied

it controls when air is released from the storage tank

it controls when the warning system is activated

15 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

the vehicle is manufactured after 2001

the vehicle is manufactured after 2005

the vehicle is manufactured after 1990

the vehicle is manufactured after 1998

16 / 40

Select the true statement about dual air brake systems:

they have a single set of air tanks and hoses

they have one set of controls for two air brake systems

they require less time to build up air pressure

they are required to have two warning alarms

17 / 40

An "A/W" the first column of the hazardous materials table means:

There is no restrictions with this material if shipped by water only.

This material is only restricted when shipped by air and/or water.

This material has no restrictions when shipped by air and/or water.

It is ok to ship this material by air only.

18 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle power system fails in some way

True

False, it's when the vehicle air braking system fails in some way

False, it's when the vehicle engine fails in some way

19 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

there is enough clearance between the landing gear and the tractor frame

the kingpin has been removed

the safety latch is in the open position

there is enough clearance between the lower and upper fifth wheel

20 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

Driving in the mountains.

Driving with bad tires.

Driving on a wet surface.

Driving too fast.

21 / 40

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

the top of the kingpin lines up with the locking jaws

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

the kingpin is resting behind the fifth wheel

the trailer will slightly lower when the converter dolly backed under it

22 / 40

You should_____when the low pressure warning is activated:

come to a safe stop while you still have control of the brakes

wait until the air brakes kick in automatically

maintain highway speed and keep an eye on your air pressure gauge

pump the brake pedal to come to a stop immediately

23 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

the truck requires increased following distance compared to smaller vehicles

extra care should be taken when driving in bad weather and in the mountains

the risk of trailer jackknifes and tipping is increased compared to shorter trucks

all answers listed

24 / 40

Select the factor that has no effect on how much liquid you can carry:

The density of the liquid.

How much the liquid will expand in transport.

The legal amount of weight you can carry of any particular liquid.

The liquid's weight.

25 / 40

When backing, what is the best method to use to avoid blind spots?

back towards the driver's side, where you can see better

use mirrors on both sides

look at your path

use a helper

26 / 40

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

ensuring the freshness of sealed cargo

recognizing possible overloads

inspecting the cargo

making sure that cargo is properly secured

27 / 40

When accelerating:

"hammer down" when your wheels start to spin

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

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

28 / 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 owner's puco or icc number.

The date of manufacture.

29 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

In an upwind direction.

Any more that 450 feet.

Any more than safety required.

Any more than 500 feet.

30 / 40

Which of the following is a recommended procedure when unloading the students?

Let the students begin moving to the front of the bus before it's fully stopped to maximize efficiency.

Tell students to remain seated until they are told to exit.

Put the transmission in neutral gear and put on the brakes.

Position yourself outside of the bus in front of crossover mirror to supervise unloading.

31 / 40

Select the action that is not appropriate when driving on slippery roads:

use a light pressure on the brake and accelerator pedals

use a speed retarder or engine brake

avoid having traffic in your side space

none of the answers listed

32 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

Emergency drug shipments.

Emergency tear gas.

Emergency hospital supplies.

Small arms ammunition (orm-d).

33 / 40

Select the true statement in regards to managing the space to the sides:

you should always keep your vehicle to the right side of the lane

you should try to avoid driving next to others when possible

high wind gusts will not cause any issues for doubles or triples

you should drive down the center of both lanes over the pavement markings

34 / 40

What should you do before you begin to couple?

position the fifth wheel beforehand

inspect the condition of the frame of the tractor

activate the spring brakes

check your path for any hazards

35 / 40

Select the true statement:

light vehicles require more braking power than heavier vehicles

wait to brake heavy vehicles for as long as you can

a bobtail tractor will take longer to stop than a combination vehicle that is loaded to the max

you should always ride the brakes

36 / 40

What can side to side surge cause?

A spontaneous combustion.

A roll over.

An engine system failure.

An increase in speed.

37 / 40

What is the purpose of the supply pressure gauge?

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

to inform you of how much air is in the tank

all of these answers are correct

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

38 / 40

What might happen if a trailer is too high when you try to couple?

the trailer may tip to the side

all answers listed

it may not correctly couple

the queen pin may fall off

39 / 40

It takes special care to drive tankers with liquid in them because:

The baffles create odd rocking motions.

The high center of gravity of the load.

The movement of the liquid even when the truck is stopped.

The low center of gravity of the load.

40 / 40

Select what you should not do when coupling the glad hands.

press the seals together at a 90 degree angle

clean the couplers before connecting them

cross the air supply lines to test for leaks

make sure to match the colors or check the tags before connecting

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