Free Online Air Brakes CDL Practice Test questions and answers to help you pass your state’s Air Brakes DMV exam. There are 2 testing modes to help you prepare.
To drive a truck or bus with air brakes, you need to know the information in the CDL Air Brakes section of the CDL manual. To pull a trailer with air brakes, you also need to know the information in the Combination Vehicles section. Air brakes use compressed air to make the brakes work. Air brakes are a good and safe way of stopping large and heavy vehicles, but the brakes must be well maintained and used properly.
The Air Brakes CDL Practice Test covers:
Air Brake System Parts, Dual Air Brake Systems, Inspecting Air Brakes and Using Air Brakes.
Choose Air Brakes Tests Here
In this mode, you get instant correct answers after every question AND a CDL reference. This points you to the exact location in your official state CDL manual so you can immediately see for yourself where the question came from and reread that section if necessary, which cements that information in your head. You’ll be confident that each answer is accurate because it’s RIGHT THERE in your official state handbook and THAT’S what you’re tested on!
Each Exam Mode CDL practice test is timed and you get your grade and results only after you’ve finished each test. This is very similar to the official state DMV written exams! After you’ve completed each test, check out your free assessment report, which tells you which answers you got correct and incorrect along with each question. As with all of our tests, retake tests as needed. Good Luck!
Test Instructions
- Download your State CDL Manual and open up it up in another tab of your browser. Read it over, but you don’t need to try to memorize it!
- Next, begin the first of our CDL practice tests in Practice Mode for intense preparation, complete with instant correct answers after every question and a CDL reference.
- When you think you’re ready, move on to Exam Mode, where practice tests are timed and you get your grade and results only after you’ve finished each test. This is very similar to the official state CDL written exams!
Note: For more information, see our guide on How to Pass the Official State CDL Exams.
