Air Brakes #2
Air Brakes Endorsement Test | Hawaii 2025 #2 Page 2 of 4
Train for FREE online with our Hawaii CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a HI Class A/Class B driver license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.
25
20
20
7 . When leaving your vehicle unattended:
Always apply the parking brake when leaving your vehicle unattended.
8 . Air pressure should build up in a single air system within:
In single air systems, air pressure should build from approximately 50 to 90 psi within three minutes.
9 . What is often found in compressed air?
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.
10 . Why do large vehicles use air brakes?
If used and maintained properly, air brakes are a safe and effective way to stop large, heavy vehicles.
11 . What do the two systems of a dual air brake system share?
Both systems in a dual air brake systems share a single air compressor. If the air compressor is damaged, neither system will be able to operate properly.
12 . If the safety relief valve in the air brake system releases air:
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
See the exact questions that will be on the 2025 Hawaii DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2025 Hawaii | Frequently Asked Questions
A Commercial Driver's License (CDL) Class B in Hawaii allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds GVWR. This includes buses, farm labor vehicles, and any combination of vehicles not defined in Class A or Class C.
A Class B CDL license in Hawaii allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, and any such vehicle towing another not exceeding 10,000 pounds. Examples include straight trucks, large buses, segmented buses, box trucks, dump trucks with small trailers, and tractor-trailers.
To acquire a Class B CDL license in Hawaii, applicants must be at least 21 years old (18 for intrastate driving), possess a valid Hawaii driver's license, pass a vision test, and successfully complete both a knowledge test and a skills test. Applicants must also provide proof of U.S. citizenship or lawful permanent residency and meet medical requirements.
To qualify for a Class B CDL license in Hawaii, you must be at least 21 years old. This age requirement is standard across the United States and is set by the Federal Motor Carrier Safety Administration. It's important to meet this age requirement before beginning the process of obtaining a Class B CDL.
While not always required, specific endorsements may be necessary for a Class B CDL license in Hawaii depending on the type of vehicle you plan to operate or the cargo you will be transporting. Examples include a passenger endorsement for buses, a school bus endorsement for school buses, or a hazardous materials endorsement for transporting hazardous materials.
The Class B CDL skills assessment in Hawaii includes three parts: a pre-trip vehicle inspection to test your ability to assess the safe operation of the vehicle, a basic control skills test to evaluate your handling of the vehicle, and an on-road driving test to assess your ability to safely operate the vehicle in various traffic situations.
Yes, Class B CDL license holders in Hawaii are limited to driving single vehicles with a gross vehicle weight rating of 26,001 or more pounds, or any such vehicle towing a vehicle not exceeding 10,000 pounds. They are not allowed to drive a combination of vehicles (like a tractor-trailer) unless they hold a Class A CDL.
In Hawaii, the written Class B Commercial Driver's License (CDL) test is typically administered in English. However, some testing centers may offer the test in other languages. It's advised to contact your local testing center directly to inquire about language options. Remember, Federal regulations require all CDL holders to read and speak English proficiently.
Yes, you can request accommodations for the Class B CDL written exam in Hawaii if you have a disability. The specific process and types of accommodations available may vary, so it's best to contact the Hawaii Department of Transportation directly to discuss your needs and learn about the available options.
Yes, if you don't pass the Class B CDL written test in Hawaii, you can retake it. You must wait a minimum of one week before retesting. There may be a retesting fee, and if you fail three times, you'll need to start the application process over again. Always check with your local DMV for specific rules and regulations.
