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NV CDL Air Brakes Practice Test 4 2025

Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Passing the Nevada DMV Air Brakes Knowledge Test and Skills Test in a vehicle equipped with air brakes is essential if you want a commercial driver’s license (CDL) without the “L” restriction. And trust us, you do! Most commercial motor vehicles (CMVs) are equipped with air brakes, so a CDL without the air brakes qualification is severely limited. Drivers who avoid or fail either test are legally restricted from operating any commercial vehicle equipped with air brakes. That restriction shuts you out of many of Nevada’s best-paying CDL jobs with industries like mining, long-haul trucking, construction, and tourism. Failing the exam also triggers a mandatory one-day waiting period and a retest fee. Our Nevada CDL Air Brakes Practice Tests are designed to help you avoid delays and additional fees by ensuring you pass on your first attempt.

Our practice tests mirror the official DMV Air Brakes Knowledge Test. They provide instant AI-driven feedback and explanations, reinforce the inspection steps required during your CDL skills test, and eliminate any unnecessary fluff that is not tested (but is often found in other study guides). Our materials also feature an interactive CDL Manual as well as a Challenge Bank, which remembers any question you miss and keeps that question reappearing until you answer it correctly. This attention to detail helps ensure you pass the official knowledge exam on your first attempt. Try one of our other practice tests here: https://driving-tests.org/nevada/nv-cdl-air-brake-practice-test/.

Nevada’s biggest industries rely on drivers qualified to operate air brake-equipped CMVs. These include agriculture (cattle, alfalfa, and hay), mining operations, and tourism (especially between Las Vegas, Reno, Lake Tahoe, and Hoover Dam). Nevada’s major roadways, such as U.S. 50 (“The Loneliest Road in America”) and I-80, include a variety of hazards where brake failure can be dangerous, not to mention the harsh winter conditions at higher elevations (think Reno, Ely, and Lake Tahoe), where air brakes are especially necessary. Employers across the state rely on air brake-qualified drivers, including Greyhound Lines, Knight Transportation, MP Materials, Nevada Gold Mines, and Swift Transportation.

You should also consider our Practice Tests to prepare for the official Combination Vehicles Knowledge Test, which is one of the major steps in obtaining a Class A License: https://driving-tests.org/nevada/nv-cdl-combination-test/. (N) Tanker, (H) Hazardous Materials, and (T) Doubles/Triples endorsements are also available in Nevada, and we have Practice Tests to help you prepare for these valuable additions to your CDL: https://driving-tests.org/nevada/nv-cdl-hazmat-practice-test/.

Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives
NV CDL Air Brakes Practice Test 4 2025
NV commercial driver's license
Based on official NV exam questions
Steven Litvintchouk, M.S., Chief Educational Researcher at Driving-Tests.org

Authored and fact-checked by Steven Litvintchouk, M.S.

Chief Educational Researcher, Driving‑Tests.org (ACES member)
Verified for accuracy November 2025
Methodology & Editorial Policy

9 min to complete
Available in EN and ES

What to expect on the actual NV permit test

25

questions

20

correct answers to pass

80%

passing score

More NV CDL test resources

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