Wisconsin CDL Class A, B or C DMV Practice Tests & Cheat Sheets

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

99.5% Pass Rate

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

Every day
Once a week
Once a month
Once every 3,000 miles

The service brake system
The parking brake system
The emergency brake system
The auxiliary brake system

A drain valve.
A lock.
A trap door.
A warning sticker.

Wisconsin DMV CDL Air Brakes Quick Practice Test

Wisconsin DMV CDL Air Brakes Quick Practice Test For 2024

99.5% Pass Rate

The brakes may not work.
The brakes may squeak more than usual.
The brakes will brake unevenly.

Work properly.
Cause some of the brakes to overwork and malfunction.
Allow better acceleration.

Use wheel chocks to prevent your vehicle from moving.
Not use wheel chocks.
Use wheel chocks, but only if you have applied the parking brake.

Green
Yellow
Blue