Air Brakes #1
Air Brakes Endorsement Test | Hawaii 2025 #1 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.
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13 . 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.
14 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Vehicles with ABS have yellow malfunction lamps to alert drivers when the braking systems are not working. Be sure you know where the malfunction lamp on your vehicle is before beginning a trip.
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 . 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.
17 . 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.
18 . 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.
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2025 Hawaii | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Hawaii, you first need to have a valid Hawaii CDL. Then, you must pass the Passenger Transport written test. The test covers topics like vehicle inspection, loading/unloading passengers, and emergency procedures. After passing the written test, you need to pass a skills test in the type of vehicle you will be driving.
To obtain a CDL Passenger license, you must hold a valid Hawaii CDL. You must be at least 21 years old and have a clean driving record. You'll need to pass a Passenger Transport written test and a skills test in the type of vehicle you'll be driving. The skills test includes pre-trip vehicle inspection, basic vehicle control, and on-road driving.
Yes, you do need specific training to secure a CDL Passenger endorsement. You'll need to understand how to inspect your vehicle, load and unload passengers safely, respond to emergencies, and more. While experience isn't explicitly required, practicing with the type of vehicle you'll be driving can greatly increase your chances of passing the skills test.
Yes, additional written tests are mandatory for a CDL Passenger endorsement. After obtaining your basic CDL, you must pass the Passenger Transport written test. This exam covers topics like vehicle inspection, loading and unloading passengers, safe operation, and emergency procedures. The exact number of questions varies by state, but you must achieve a passing score to receive the endorsement.
During the CDL Passenger endorsement assessment, you'll need to showcase skills such as pre-trip vehicle inspection, proper use of mirrors and safety equipment, safe loading and unloading of passengers, navigating through traffic and intersections, backing up safely, and handling emergencies or unexpected situations. You'll also need to demonstrate understanding of relevant laws and regulations.
No, it's illegal to transport passengers commercially in Hawaii without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving without the necessary endorsements could result in serious penalties, including fines and suspension of your CDL.
You can add the CDL Passenger endorsement to your existing Commercial Driver's License. This involves passing the Passenger Transport written test and, depending on your state's requirements, a skills test in the type of vehicle you will be driving. You don't need to apply for a completely new license, but there may be additional fees for the endorsement.
Yes, there are restrictions for drivers with a CDL Passenger endorsement. Drivers are not allowed to drive a commercial vehicle if they have more than one license or if their CDL is suspended or revoked. They also cannot operate a vehicle if they have been convicted of certain offenses or are under the influence of drugs or alcohol.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement. You must be at least 21 years old to drive a commercial motor vehicle across state lines, carry hazardous materials, or transport interstate freight. However, if you are at least 18 years old, you can obtain a CDL to operate a commercial vehicle within the state of Hawaii.
With a CDL Passenger endorsement, you are eligible to operate vehicles such as buses, shuttles, and other vehicles designed to carry 16 or more passengers, including the driver. This includes school buses if you also have a School Bus (S) endorsement. It does not include smaller passenger vehicles or personal-use vehicles.
