Mississippi CDL Air Brakes Practice Test (MS) 2020

Best things in life are free. So is out Mississippi CDL air brakes test!

  • 20 Questions
  • 80% Passing Score
  • 4 Mistakes Allowed
94% of students found this test helpful!
Rated 4.7 out of 5 by 3 drivers

Mississippi CDL Test Facts

  • Questions: 50
  • Correct answers to pass: 40
  • Passing score: 80%
  • Test locations: Department of Public Safety (DPS) Offices
  • Test languages: English, Spanish
  • Based upon: Mississippi CDL Manual
Improve your chances of passing the test by reading the official Mississippi drivers manual Drivers Manual

As a compulsory CDL endorsement for Class B and Class A drivers, the Air Brakes L endorsement is a highly sought-after qualification. Applicants who intend to work with any medium-weight Class B or heavy-weight Class A vehicle must pass the Mississippi CDL air brake test following successful completion of the CDL general knowledge test, to demonstrate their knowledge of air brake operation, maintenance and basic repair skills before climbing into the driver’s seat. Studying for this exam is made far easier with a reputable CDL practice test MS air brakes quiz on hand. Most online Mississippi air practice tests are only available for a finite number of uses before their owners begin charging you for access, but the DMV CDL practice test on this page is different. Every step of the way as you familiarize yourself with the Air Brakes endorsement study material in the permit book, our expertly-built quiz will be available to help you track your progress. You might expect it to take weeks and months to get ready for the DPS CDL air brakes exam but in reality, you could be setting off for the DMV test center in a matter of days. Let’s learn more!

You may already be familiar with the resources we provide here on, if you used our MS DPS general knowledge practice test to study road rules and road signs in preparation for the CDL general knowledge exam. Incidentally, if you have yet to pass the general knowledge assessment you should abandon this Air Brakes L endorsement quiz for now and visit our CDL general knowledge practice test for Mississippi entry-level students instead. No matter what your ultimate driving goal is, passing the general knowledge exam before applying to the DMV for license endorsements is compulsory. For most students, using this MS CDL practice test air brakes quiz to study for the L endorsement permit test is the most logical step following the general knowledge exam, as it is required by many more drivers than all the other license add-ons combined. Air brakes are a legal requirement for all vehicles above a certain weight, which means that a career working with tanker vehicles, box-trucks, city buses, school buses, flat-beds, livestock trucks or combination vehicles of any kind will demand air brakes expertise.

Some of the study material for the Air Brakes DPS permit test is quite straight-forward, while other aspects are more technical and may only be useful on very rare occasions. None the less, it is important to be well-versed in every aspect of air brake application and maintenance to be prepared for any eventuality while operating an air brake-equipped vehicle. You can find everything you need to know in the Air Brakes chapter of the Mississippi CDL general knowledge study guide and associated questions to test your understanding of that information here on our air brake practice test. Our questions deal with air brake application and stopping distances, basic system components and repair skills, how to drain air tanks and what the safe-pressure ranges are, air brake-equipped vehicle inspection, parking procedures and everything else discussed in the study guide.

Completing a few rounds on our MS air practice test is a great way to kick-start your learning plan, so you know what to expect from the study material and can work through it as efficiently as possible. In fact, there is no reason you cannot get started right now as our handy DMV practice permit test for Mississippi L endorsement students can take as little as five minutes to work through!