Quick note: This test is timed! You have N MINUTES to complete the test! All unanswered questions will be marked as incorrect. Good luck and godspeed!

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Are you applying for a Class B or Class A commercial driver’s license to work behind the wheel of a tanker vehicle, box-truck, city bus, combination truck-trailer, flat-bed, school bus or livestock transportation vehicle? These are just a few of the commercial vehicles out there that you must hold an Air Brakes L endorsement to drive. In fact, as all Class A and Class B vehicles must use air brakes by law, you cannot obtain a Class B or Class A drivers license without sitting the DMV CDL air brakes test. Depending on what you want to do with your license, you may well require further endorsements beyond the air brakes qualification. We understand that you are keen to get through the DPS written tests quickly, which is why we have designed the Oklahoma practice air test to get you through the air brakes endorsement permit test in the shortest possible time.

You have probably read by now how beneficial using a 2019 DMV practice test Oklahoma quiz can be for trainee commercial drivers from Tulsa, Norman, Lawton and elsewhere in the run-up to their written exams. This is true, but like all things - not all Oklahoma air practice tests are made equal. By far the fastest and most efficient learning resource to use in preparation for your air brakes endorsement exam is the air brakes test cheat sheet which you can access from this page! This single DMV permit practice test for Oklahoma drivers can test your knowledge more thoroughly than ten standard air brake practice test quizzes combined. Our Oklahoma CDL cheat sheet has a secret weapon – an enormous database of legitimate air brakes test content, from which new questions will be drawn following the start of each round. Air brakes endorsement applicants can complete this 2019 DPS cheat sheet on a dozen separate occasions and be presented with an entirely different 25-question quiz each time!

The real Oklahoma CDL air brake test also contains 25 questions and has the same 20-correct permit test answers requirement for a pass as our DMV CDL air brakes practice test. The similarity in length, challenge-level and question-format shared by the two tests means that our Oklahoma permit test cheat sheet can be used as a “trial run” at passing the real assessment. Thankfully - unlike the actual air brakes endorsement permit test – participants can attempt our Oklahoma DPS permit test cheat sheet as many times as they like! If you want to make sure you are as ready as you can be to secure a pass on the real 2019 DMV test, it is best to use this Oklahoma CDL practice test air brakes quiz as many times as you can in one sitting. Then, you can get an accurate assessment of your current capabilities by adding up all your individual scores and dividing that figure by the number of attempts you had, to come up with an average score. If your average score is on or below the 20-correct answer requirement or your individual scores vary wildly with many of them coming in as fails, you will know there is more work to be done before you can sit the real air brakes test for Oklahoma drivers and be confident in your ability to pass it.

One DMV practice permit test from our website that you will certainly need prior to using this Oklahoma CDL air brakes practice test, is the CDL general knowledge cheat sheet. This will train you to get through the initially CDL general knowledge assessment if you have not done so already. If you have already taken the general knowledge exam and earned a pass of 80 percent or above, you are all set to go with this L endorsement quiz!