Air Brakes #1
Air Brakes Endorsement Test | Delaware 2025 #1 Page 3 of 4
Train for FREE online with our Delaware 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 DE 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 . What do anti-lock brakes do?
Prevent a vehicle from accelerating while traveling downhill
The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.
14 . The air storage tanks:
Hold enough air for more than 1,000 braking cycles.
In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.
15 . When you need to stop in an emergency, you should:
Expect your vehicle to slow down more quickly than usual.
If you need to make an emergency stop, you can use either the controlled braking method or the stab braking method. It's important to brake in a way that keeps your vehicle traveling in a straight line while still allowing you to turn, if necessary.
16 . To confirm that a trailer has ABS, you can:
Remove a tire and look for the ABS sensor on the axle.
If you are unsure if a trailer is equipped with an Anti-Lock Braking System (ABS), look under the vehicle for the electronic control unit and wheel speed sensor wires coming from the back of the brakes.
17 . Failing to drain air tanks could result in:
In an air brake system, the air tanks must be periodically drained to remove accumulations of water and compressor oil. If water is not removed, it could freeze in cold weather and cause brake failure.
18 . An application pressure gauge shows:
If a vehicle is equipped, an application pressure gauge shows how much air pressure is being applied to the brakes. This gauge can help a driver identify if their brakes are beginning to fade.
Search the best driving school in your neighbourhood
2025 Delaware | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Delaware, you must first have a valid CDL. Then, pass the Hazardous Materials Knowledge Test. You also need to submit fingerprints and undergo a TSA background check. Lastly, you must pass a vision test and provide proof of U.S. citizenship or lawful permanent residency. Remember to pay the necessary fees.
To obtain a CDL Hazmat license in Delaware, you must have a valid Commercial Driver's License (CDL). You must also pass the Hazardous Materials Endorsement Knowledge Test, submit a fingerprint-based background check through the Transportation Security Administration (TSA), and pass a DOT physical examination. Lastly, you must be at least 21 years old.
When applying for a CDL Hazmat endorsement in Delaware, you need to provide proof of U.S. citizenship or lawful permanent residency. This can be a valid U.S. passport, birth certificate or green card. You also need a current CDL and Medical Examiner's Certificate. Lastly, you must submit your TSA security threat assessment receipt or proof of application.
Yes, to get a CDL Hazmat endorsement in Delaware, you will need to pass the Hazardous Materials Endorsement Knowledge Test. This written exam covers topics like loading and unloading hazardous materials, bulk packaging, and driving and parking rules. It's designed to ensure drivers understand the safety procedures and regulations for transporting hazardous materials.
The written test for the CDL Hazmat endorsement in Delaware covers several topics related to hazardous materials. These include identifying different types of hazardous materials, understanding shipping papers, using placards and labels, loading and unloading hazardous materials, handling emergencies, and understanding driving and parking rules related to hazardous materials.
Yes, there are additional charges associated with acquiring a CDL Hazmat endorsement in Delaware. This includes fees for the written test, fingerprinting, and the federal security threat assessment. The exact costs can vary, so it is recommended to check with the Delaware Division of Motor Vehicles for the most current fees.
Yes, obtaining a CDL Hazmat endorsement in Delaware requires a federal security threat assessment, which includes a background check. This process involves fingerprinting and checking criminal, immigration, and terrorism records. The Transportation Security Administration (TSA) conducts this assessment to ensure the safety and security of hazardous materials transportation.
Yes, specialized training is required for a CDL Hazmat endorsement in Delaware. Applicants must pass a written test on the federal and state regulations for transporting hazardous materials. Furthermore, they must demonstrate their knowledge and skills in handling and transporting hazardous materials safely during their driving skills test. The endorsement is then added to the CDL upon successful completion of these requirements.
No, you cannot transport hazardous materials in Delaware without a valid CDL Hazmat endorsement. This endorsement is required by federal and state laws for anyone transporting hazardous materials. Driving without this endorsement can result in severe penalties, including fines and disqualification of your commercial driving privileges.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in Delaware. You don't need a new CDL application. However, you will need to pass a written test, undergo a TSA background check, and pay an endorsement fee. Once these steps are completed, the Hazmat endorsement will be added to your existing CDL.
