Air Brakes #2
Air Brakes Endorsement Test | Hawaii 2025 #2 Page 3 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
13 . When leaving your vehicle unattended:
In general, you should always use the parking brake when parking your vehicle. However, you should not apply the parking brake if your brakes are very hot or if your brakes are wet and temperatures are below freezing.
14 . What can happen if the air pressure gets too low in an air brake system?
Pressing and releasing the brake pedal unnecessarily can let air out of the braking system faster than the compressor can replace it. Air brakes may cease to work effectively if the pressure becomes too low.
15 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.
It is important to know the maximum air loss rate that is safe for your specific vehicle. A triple combination should have a leakage rate no higher than 6 psi in a minute during an applied leakage test.
16 . When leaving a vehicle unattended, a driver should:
Always apply the parking brake when leaving your vehicle unattended.
17 . The air storage tanks:
The air storage tanks in an air brake system store compressed air to be used for braking. They hold enough air for the brakes to still be used several times if the compressor stops working.
18 . Some air brake systems introduce alcohol into the system to:
Some air brake systems contain an alcohol evaporator. An evaporator introduces alcohol into the system to help inhibit the formation of ice in cold weather.
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 CDL Class A license in Hawaii is a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds. It's typically used for semi-trucks and tractor-trailers.
A Class A CDL license in Hawaii allows the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. In general, any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more can be operated with this license.
To obtain a Class A CDL license in Hawaii, you must be at least 21 years old, possess a valid Hawaii driver's license, pass a vision test, and complete a written knowledge exam. Additionally, you need to pass a skills test which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving exam. Medical clearance may also be required.
To qualify for a Class A Commercial Driver's License (CDL) in Hawaii, you must be at least 21 years old. This age requirement is standard across all U.S. states, as it aligns with federal regulations for interstate trucking.
Endorsements are not required for a Class A CDL license but they can provide additional driving privileges. For instance, a Hazardous Materials (H) endorsement allows you to transport hazardous materials, a Tank (N) endorsement allows you to haul a liquid or liquid gas in a tank, and a Passenger (P) endorsement allows you to drive vehicles carrying passengers. Each endorsement requires additional testing.
The Class A CDL skills test in Hawaii includes three parts: a pre-trip vehicle inspection to test your ability to assess the safety of your vehicle, a basic controls test to evaluate your ability to control the vehicle, and an on-road driving test to assess your skill in handling normal traffic situations. Each section must be passed to obtain the license.
Yes, there are limitations. Class A CDL license holders are subject to federal and state regulations. They cannot drive a commercial vehicle while having a blood alcohol level of 0.04% or more. They're also not allowed to operate a commercial vehicle if they've lost the use of an arm or leg unless they have an exemption. Additionally, they must follow hours-of-service regulations.
Yes, it is possible to take the written Class A CDL test in languages other than English in Hawaii. The test is offered in several languages, including Spanish, Japanese, Korean, Vietnamese, and others. However, federal regulations require that all CDL holders must be able to read and speak English sufficiently to converse with the general public and understand traffic signs and signals.
Yes, you can request accommodations for the Class A CDL written test if you have a disability. The Hawaii Department of Transportation provides reasonable accommodations in accordance with the Americans with Disabilities Act. Contact your local testing center ahead of time to discuss your needs and arrange for necessary accommodations.
If you don't pass the Class A CDL written test in Hawaii, you can retake it. However, you must wait at least one day before retaking the test. There may be additional fees for each retest. It's advisable to study thoroughly before attempting to retake the test to increase your chances of passing.
