How Many Questions Are on The Air Brakes CDL Test?

If you're a car owner, there's a CDL test you need to know about. It's the air brakes test, and it's not as easy as it sounds. In fact, there are tons of questions on the exam. But don't worry - we're here to help. Keep reading to learn more about the test and how to prepare for it. Good luck.

The commercial driver's license (CDL) air brakes test comprises an average of 25-35 questions. Depending on which state you are there could be 50 questions. You must answer 80% of them correctly to pass. The test is taken on a computer at your local DMV office.

Air Brakes CDL Test - How many questions are on the test?

The Air Brakes CDL test has 50 multiple-choice questions, with 25 in the pre-test section and 25 in the post-test area.

The Air Brake Questionnaire is a great way to find out if your knowledge of the trucking industry is up-to-date or if there's something you need to brush up on before taking your CDL test. The questions cover safety, regulations, equipment, driving skills, and more. You can take this quiz for free at

The Air Brake CDL Test is a multiple-choice exam that tests your knowledge of the following topics:

  • Air Brakes
  • Air Brakes Maintenance
  • Air Brakes Operation
  • Air Brakes Safety
  • Air Brakes Testing
  • Air Brakes Training
  • Air Brakes Tires
  • Air Brakes Truck Accessories
  • Air Brakes Tire Pressure Monitoring

How to pass the air brakes CDL test?

The following questions were asked in the Air Brake CDL Test. The answers to these questions appear below. You can use this list of questions as a study guide for your upcoming CDL test or simply review them before taking it.

1) What is an air brake system?

2) What does it do?

3) Where do air brakes come from?

The Air Brake CDL Test is a series of questions that will help you determine your knowledge level regarding the trucking industry. The test consists of 50 multiple-choice questions, with each question having 4 possible answers. Each answer has a corresponding number value, which can be used to calculate your score.

The average time for this test is approximately 10 minutes.

How long does it take to get the results of the air brakes CDL test?

It usually takes two weeks to get the air brake CDL test results. The Department of Transportation gives the test, usually taken by people applying for a commercial driver's license. The test consists of multiple-choice questions and covers safety procedures, braking systems, and air brake maintenance.

How to prepare for the air brakes CDL test?

Preparation is key for passing the air brake CDL test on the first try. You can study for the exam in a few different ways, including reading an official DMV manual, preparing flashcards, attending online and offline courses, and taking practice tests.

The Commercial driver guide to prepare for the test will help you with your preparation needs. The table indicates which sections you should study before taking the air brakes CDL test.

You can take a practice test to get a feel for the types of questions on the test. Do Not Pay is the most reliable option for preparing your CDL test in Ohio, Florida, Texas, or any other American state.

Is there a way to retake the air brakes CDL test?

Yes, you can retake the air brakes CDL test for a fee if you fail.

If you're looking to retake the air brakes CDL test, there are a few things you can do to improve your chances of passing. First, make sure you've reviewed all the material and understand the concepts. Secondly, practice as much as possible- there are many online resources that can help you prepare for the test. 

Finally, relax and take your time- rushing through the test is not going to help you pass. If you follow these tips, you should be able to retake the test and pass with flying colors.

What is the average score on the air brakes CDL test?

The average score on the air brakes CDL test is 80%. This means that if you score below 80%, your commercial driver's license will have a restriction for air brakes.

However, this doesn't mean that you can't get a commercial driver's license with an air brake restriction--you'll just need to retake the exam every time you move to a new state.

The best way to prepare for the air brakes CDL test is by studying the Oklahoma drivers manual. This resource contains all the information you need to know to pass the exam.

On top of studying, using a practice test can also help increase your chances of passing on your first try. Oklahoma practice test has an average score of 90%, so it's one of the best resources.


1. What is the air brake test?

An air brake test is a written examination drivers must take to obtain their Commercial Driver’s License (CDL). The test covers knowledge of the operation and maintenance of air brakes, as well as federal and state laws governing their use.

You must score 80% or higher to pass the air brake test. If you fail, you can retake the test after 14 days.

2. What are the requirements for passing the test?

To pass the air brakes CDL test, you must correctly answer at least 21 out of 25 questions. There are 50 questions on the test, so you must answer at least 42 out of 50 questions correctly to pass. The test is divided into two sections, with 25 questions.

To pass the first section of the air brakes CDL test, you must correctly answer at least 21 out of 25 questions. This section covers topics such as how electric brake systems work, Component maintenance, and proper use of air brakes.

The second section of the test covers emergency procedures, such as what to do if your brakes fail. To pass this section, you must answer at least 21 out of 25 questions correctly.

3. What is the cost of the CDL test?

The CDL test cost can vary depending on the state where you take the test. In some states, the fee is as low as $25, while in others, it can be as high as $25. The cost of the test may also be affected by whether or not you need to take a skills test in addition to the written exam. In general, however, the cost of the CDL test should not be a barrier to getting your license.

4. What are the required skills for the air brake test?

There's no need to be nervous about the air brake test- after all, it's just a simple written exam. However, there are a few skills that you'll need to master in order to pass. First, you'll need to have a firm understanding of how air brakes work. Second, you'll need to be able to identify any potential problems with the brakes.

Finally, you'll need to know how to properly adjust the brakes. Luckily, all of these skills can be learned by studying the air brake manual. So as long as you put in a little bit of effort, you should be able to pass the test with flying colors.


The air brakes CDL test consists of 25 to 50 questions. However, not all of these questions must be answered to pass the test. The passing score for the air brakes CDL test is 80%.

Rahat Hossain