Air Brakes #2
Air Brakes Endorsement Test | Wyoming 2025 #2 Page 4 of 4
Train for FREE online with our Wyoming 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 WY 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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19 . Pressing and releasing the brake pedal unnecessarily can:
Create a loud noise.
On a vehicle with air brakes, pressing and releasing the brake pedal unnecessarily may let air out of the braking system faster than the compressor can replace it. This may cause the system's air pressure to become too low and the brakes to stop working.
20 . Which of the following is not a part of an air brake system?
An axle brake system
Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system.
21 . 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.
22 . On flat surfaces, wheel chocks:
In situations where a driver cannot use a parking brake, wheel chocks can be used to hold a parked vehicle in place on a level surface.
23 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
24 . What color light indicates a vehicle's ABS is not working?
On vehicles with Anti-Lock Braking Systems (ABS), yellow malfunction lamps alert the driver to ABS malfunction.
25 . When only the tractor is equipped with an Anti-Lock Braking System (ABS):
The brakes will become more sensitive.
If a tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the risk of jackknifing will be reduced and the driver should still be able to maintain steering control. If only the trailer is equipped with ABS, it is less likely that the trailer will swing out to one side.
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2025 Wyoming | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Wyoming, you must first have a Commercial Driver's License (CDL). Then, pass the Hazardous Materials Endorsement Knowledge Test at a Wyoming DOT office. You'll also need to complete a background check and fingerprinting through the Transportation Security Administration (TSA). Lastly, you must pass a medical exam and eye test.
To obtain a CDL Hazmat license, you must first possess a Commercial Driver's License (CDL). You also need to be at least 21 years old, a U.S. citizen or have legal status, and be able to read and speak English. Additionally, you must pass the Hazardous Materials Endorsement Knowledge Test and complete a TSA background check and fingerprinting.
When applying for a CDL Hazmat endorsement in Wyoming, you will need to provide several documents. These include your current CDL, proof of U.S. citizenship or lawful permanent residency (passport, birth certificate), and a completed application form. Additionally, you will need to provide your Social Security number and pass a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test, known as the Hazardous Materials Endorsement Knowledge Test, covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. You must pass this test to obtain the endorsement.
The written test for the CDL Hazmat endorsement covers various subjects such as the identification of hazardous materials, proper loading and unloading procedures, correct use of placards and labels, driving and parking rules for hazardous materials, emergency response procedures, and understanding of relevant federal regulations.
Yes, acquiring a CDL Hazmat endorsement involves additional charges. These include a fee for the endorsement application, a fee for the knowledge test, and a fee for the TSA background check. The exact amount varies by state and can change over time, so it's recommended to check the current fees with your local DMV or similar authority.
Yes, security clearances are mandatory for the CDL Hazmat endorsement. Applicants must undergo a federal background check and fingerprinting conducted by the Transportation Security Administration (TSA). This is to ensure they do not pose a security threat and meet all requirements under the USA PATRIOT Act.
Yes, specialized training is necessary for the CDL Hazmat endorsement. Applicants must complete a written knowledge test that covers hazardous materials regulations and safety procedures. After passing the test, they receive the endorsement on their CDL. However, there's no separate certification process beyond the CDL Hazmat endorsement itself.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in the United States. This endorsement is required by federal law and ensures that drivers have the necessary training and knowledge to safely handle and transport hazardous materials. Violation can result in hefty fines and penalties.
You can add the CDL Hazmat endorsement to your existing CDL. You don't need to apply for a new license. However, you must pass the Hazmat knowledge test, undergo a background check, and provide fingerprints. Once you successfully complete these requirements, the Hazmat endorsement will be added to your current CDL.
