We've added this question to your Challenge Bank™
All your missed questions are saved automatically for extra practice.
We save your wrong answers to help you master them after this test or later. Keep going — each mistake brings you closer to perfection!
Adding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
Explore Premium benefitsAll your missed questions are saved automatically for extra practice.
Passing the Alaska DMV CDL Air Brakes Test is essential for operating large commercial motor vehicles (CMVs). Our CDL Air Brakes Practice Tests are designed to prepare you for success, helping you confidently pass your knowledge exam on the first attempt. If you don’t pass, your CDL will include the restriction “L,” barring you from operating CMVs with air brakes. Since semi-trucks and tractor-trailers are typically equipped with air brakes, obtaining this endorsement is essential to operate those vehicles. The air brakes qualification is a requirement of most companies due to the commonality of this braking system. In Alaska, with vast mountain ranges like the Alaska Range and the Chugach Mountains and remote and wind-swept highways, such as the Dalton Highway and the Seward Highway, air brakes are essential. Many roads in Alaska are isolated, and emergency services can be far away, so air brakes are crucial for drivers on these isolated roads.
Industries across the Last Frontier, like oil and gas, fishing, mining, and tourism, rely on drivers with the air brake qualification. Companies such as Carlile Transportation and Alaska Freight Lines (both headquartered in Anchorage) require certified drivers for transporting goods to remote areas. Charter bus companies (like Alaska Coach Tours), school buses, and the construction industry also depend on air brake-certified drivers to safely navigate. The oil industry includes companies like BP and ConocoPhillips that require qualified drivers for transporting heavy equipment. Tourism and sightseeing companies offer tours in rugged and mountainous areas, requiring air-brake-qualified drivers for passenger transport. Simply put, the “L” restriction makes operating CMVs equipped with air brakes illegal, thus limiting your job prospects.
The official two-part DMV test covers the parts of an air brake system, effective operation, and air-brake inspection procedures. The skills test requires you to physically inspect an air brake system, identify its components, and operate a vehicle equipped with air brakes. This test includes checking air pressure, testing the brakes for leaks, and more. The multiple-choice written test requires a score of at least 80% to pass and features questions directly from material found in the state’s CDL manual.
Our CDL Air Brakes Practice Tests mimic the content and format you will face on the {government-agency) test. Our practice test questions and answers provide responses in real time so you can learn quickly and be confident of passing your official exam.
questions
correct answers to pass
passing score
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
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.
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.
You’re moments from your results. Before viewing them, see how you can get your ELDT certificate and pass — at a fraction of what schools charge.