- Updated for March 2025
- Based on 2025 NY commercial driver's license manual
Free New York CDL Air Brakes Test 2025
Our New York DMV CDL Air Brakes Practice Tests are the perfect tool to pass your Air Brakes knowledge exam on the first attempt. Failure to pass the New York DMV CDL Air Brakes Knowledge Test means that your CDL will include the restriction “L,” prohibiting you from operating commercial motor vehicles (CMVs) with air brakes. In New York, failing the test also results in a one-day waiting period and fee should you decide to retake the test. The “L” restriction will significantly damage your job prospects, as in the examples below.
Because most semi-trucks, tractor-trailers, and commercial buses rely on air brakes for safe navigation, removing the air brake restriction from your CDL is vital for expanded job opportunities. From the steep grades along the Appalachian Mountain passes to the narrow, winding roads in the Hudson Valley, the demand exists for reliable air brakes for heavy rigs and air brake-qualified drivers. The stop-and-go congestion in urban areas and severe winters make reliable braking even more important. The major transportation routes include I-87 (running north-south through the Adirondacks), I-90 (running east-west with high truck traffic), and I-495 (the key expressway for NYC freight transport).
The Empire State demands air brakes in key industries, including finance (Wall Street), technology and media, agriculture (dairy, apples, and wine), and tourism (New York City and Niagara Falls). Companies requiring air brake-qualified drivers include XPO Logistics (Buffalo) and Con-way Freight (Albany) in the trucking industry and Greyhound Lines and Coach USA in the charter bus industry. In the construction and infrastructure sector, companies like Rock Tech Industries (RTI) and Eagle Rigging and Transport require air brake-qualified drivers. The agriculture sector includes Perdue AgriBusiness, Old McDonald’s Farm/North Harbor Dairy, and Berle Farm, among its many companies requiring the same. Additionally, New York’s school districts use air brakes on their full-size buses, employing hundreds of qualified drivers.
Our tests mimic the official knowledge test, and the instant feedback received on all responses speeds learning and ensures you pass the knowledge test! The written Air Brakes knowledge test features multiple-choice questions based on the state’s CDL manual (New York CDL Handbook 2025) and requires a minimum passing score of 80%.
Our CDL Air Brakes Practice Tests cover everything needed for the official DMV Air Brakes Knowledge Test. As a bonus, they also help you prepare for your skills test!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
![](/img/reviewedby_steven.jpg)
What to expect on the actual NY DMV exam
questions
correct answers to pass
passing score
List of questions (classic view)
- When should you use the parking brake?
- At what measurement is the safety valve USUALLY set to open?
- After the initial drop, the maximum acceptable leakage rates per minute are
- What is the best way to test your vehicle's low air pressure warning signal?
- How would you check your truck's slack adjusters?
- Which of the following is NOT part of the braking process when you're driving a tractor-trailer combination vehicle with an antilock braking system (ABS)?
- If the air tanks are not drained,
- Why must you pass a knowledge test on air brakes?
- Which vehicles must have low air pressure warning signals?
- Slack adjusters are
- How can you tell if your vehicle is equipped with an antilock braking system (ABS)?
- The tractor protection valve
- An antilock braking system (ABS)
- Which of the following is NOT part of the air brake system?
- Which of the following is NOT part of the drum brake?
- Which of the following will be true about your brake function if your antilock braking system (ABS) fails?
- How do brakes work on a long, steep downgrade?
- Which of the following can cause brakes to fade or fail?
- When should you drain your air tanks?
- Which of the following are true about a dual air brake system?
- Spring brakes are
- Which of the following should you do before leaving your vehicle unattended?
- The purpose of a supply pressure gauge is
- What is the best way to test if your vehicle's spring brakes come on automatically?
- Under which conditions are front wheel brakes good?
- The low air pressure warning signal will come on before the pressure in the air tanks falls below
- A low pressure warning signal is required on
- All vehicles equipped with air brakes have
- With air brake-equipped vehicles, the parking brakes should be used
- The use of air brakes on a downgrade is only a supplement to the
- Alabama: Test 1 / Test 2
- Alaska: Test 1 / Test 2
- Arizona: Test 1 / Test 2
- Arkansas: Test 1 / Test 2
- California: Test 1 / Test 2
- Colorado: Test 1 / Test 2
- Connecticut: Test 1 / Test 2
- Delaware: Test 1 / Test 2
- District of Columbia: Test 1 / Test 2
- Florida: Test 1 / Test 2
- Georgia: Test 1 / Test 2
- Hawaii: Test 1 / Test 2
- Idaho: Test 1 / Test 2
- Illinois: Test 1 / Test 2
- Indiana: Test 1 / Test 2
- Iowa: Test 1 / Test 2
- Kansas: Test 1 / Test 2
- Kentucky: Test 1 / Test 2
- Louisiana: Test 1 / Test 2
- Maine: Test 1 / Test 2
- Maryland: Test 1 / Test 2
- Massachusetts: Test 1 / Test 2
- Michigan: Test 1 / Test 2
- Minnesota: Test 1 / Test 2
- Mississippi: Test 1 / Test 2
- Missouri: Test 1 / Test 2
- Montana: Test 1 / Test 2
- Nebraska: Test 1 / Test 2
- Nevada: Test 1 / Test 2
- New Hampshire: Test 1 / Test 2
- New Jersey: Test 1 / Test 2
- New Mexico: Test 1 / Test 2
- New York: Test 1 / Test 2
- North Carolina: Test 1 / Test 2
- North Dakota: Test 1 / Test 2
- Ohio: Test 1 / Test 2
- Oklahoma: Test 1 / Test 2
- Oregon: Test 1 / Test 2
- Pennsylvania: Test 1 / Test 2
- Rhode Island: Test 1 / Test 2
- South Carolina: Test 1 / Test 2
- South Dakota: Test 1 / Test 2
- Tennessee: Test 1 / Test 2
- Texas: Test 1 / Test 2
- Utah: Test 1 / Test 2
- Vermont: Test 1 / Test 2
- Virginia: Test 1 / Test 2
- Washington: Test 1 / Test 2
- West Virginia: Test 1 / Test 2
- Wisconsin: Test 1 / Test 2
- Wyoming: Test 1 / Test 2
Your go-to, trusted source
Experience the Driving-Tests differenceOur commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
![](/img/andrei-small.jpeg)
At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
- Alignment with Official Manuals:
Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information. - Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation. - Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy. - Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors. - User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly. - Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.
Pass the First Time – Guaranteed
You’re moments away from your results.
Before you view them, see how 1.15 million drivers used Premium to pass faster.
Real Exam-Like New York Questions
Get all exam-like questions seen on the real test.
99.06% Pass Rate vs. 49% Average
Most Premium users pass on their first try.
Money-Back Guarantee
We stand behind you until you pass.
![](https://driving-tests.org/cdl-premium/corporate/img/corp-user1.jpeg)
![](https://driving-tests.org/cdl-premium/corporate/img/corp-user2.jpeg)
![](https://driving-tests.org/cdl-premium/corporate/img/corp-user3.jpeg)
![](https://driving-tests.org/cdl-premium/avatars/Bryce_Butler.png)
![](https://driving-tests.org/wp-content/uploads/2021/05/OTUwMjkuanBn-min.jpg)