FREE CDL Combination Vehicles Practice Test Online | Washington 2024 Page 3 of 3
Train for FREE online with our Washington CDL combination vehicle 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 WA combination license in 2021, 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 DMV requirements for issuing a combination license may vary from state to state.
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15 . What does an Anti-Lock Braking System (ABS) do?
An Anti-Lock Braking System (ABS) helps prevent wheel lockup during hard braking. If ABS detects impending lockup, it reduces braking pressure to a safe level.
16 . Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
Older trailers do not have spring brakes. This means that if the air supply in an older trailer's air tank has leaked away, there will be no working brakes connected to the trailer and its wheels will turn freely.
17 . All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
All trailers and converter dollies manufactured on or after March 1, 1998 must have Anti-Lock Braking Systems (ABS).
18 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:
In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.
19 . When backing up your tractor while coupling it to a trailer, the trailer brakes should be:
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. Before backing your tractor under the trailer while coupling, make sure your trailer brakes are locked.
20 . A trailer that is too high:
Before coupling together a tractor and a trailer, you should make sure the trailer is at the proper height. If the trailer is too low, the trailer nose may be damaged. If the trailer is too high, it may not be able to couple correctly.
2024 Washington | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Washington, you must have a valid CDL. Next, pass the Hazardous Materials Endorsement Knowledge Test at a Washington State driver licensing office. Then, undergo a federal background check and fingerprinting at an approved location. Finally, after receiving clearance, visit a driver licensing office to add the endorsement to your CDL.
To obtain a CDL Hazmat license, you must first have a valid Commercial Driver's License (CDL). You also need to pass the Hazardous Materials Endorsement Knowledge Test. A federal background check and fingerprinting are also required. Additionally, you must be at least 21 years old and a U.S. citizen or have legal status in the U.S.
When applying for a CDL Hazmat endorsement, you'll need your current Commercial Driver's License (CDL), proof of U.S. citizenship or lawful permanent residency (like a birth certificate or green card), and a completed Medical Examination Report Form. Also, you'll need proof of your Social Security number and a completed Hazardous Materials Endorsement application.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This is known as the Hazardous Materials Endorsement Knowledge Test. It 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 get the Hazmat endorsement.
The Hazardous Materials Endorsement Knowledge Test for the CDL Hazmat endorsement covers a range of subjects including identification of hazardous materials, proper loading and unloading procedures, safety procedures in transport, emergency response procedures, and understanding of the Hazardous Materials Regulations. It also tests knowledge of placarding and marking requirements.
Yes, there are extra charges associated with obtaining a CDL Hazmat endorsement. These include fees for the written test, fingerprinting, and a background check. The exact costs can vary by state and the specific services used for fingerprinting and background checks. It's best to check with your local DMV for the most accurate information.
Yes, obtaining a CDL Hazmat endorsement does require a background check and security clearance. The Transportation Security Administration (TSA) conducts these checks to ensure that the applicant does not pose a security threat. The process includes fingerprinting, a review of criminal history, and immigration status check for non-U.S. citizens.
Yes, specialized training is mandatory for the CDL Hazmat endorsement. Applicants must pass the Hazardous Materials Endorsement Knowledge Test. Additionally, they must undergo a TSA background check. While not a formal "certification," these steps are necessary to ensure the driver understands how to safely handle hazardous materials.
No, you cannot legally transport hazardous materials without a valid Commercial Driver's License (CDL) with a Hazardous Materials (Hazmat) endorsement. This endorsement ensures that drivers have the necessary training and knowledge to handle hazardous materials safely and in compliance with the law. Violating this can result in hefty fines and penalties.
You can add the CDL Hazmat endorsement to your current CDL license. It doesn't require a new application for a CDL license. However, you will need to fill out a separate application for the endorsement, pass the Hazmat knowledge test, and complete a TSA background check before the endorsement is added to your existing CDL.