FREE CDL Combination Vehicles Practice Test Online | Washington 2024
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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1 . When braking with ABS, you should:
When operating a vehicle with an Anti-Lock Braking System (ABS), you should apply your brakes in the same manner as you would if operating a vehicle without ABS.
2 . If you use the trailer hand brake while your trailer is skidding, it will:
If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.
3 . When glad hands are coupled, the seals should be pressed together at a ____ angle.
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
4 . If the emergency air line loses pressure:
The emergency air line controls the emergency brakes on a combination vehicle. A loss of air pressure in the emergency line will cause the emergency trailer brakes to activate.
5 . The trailer hand valve should be used:
The trailer hand valve (also referred to as the "trolley valve" or "Johnson bar") works the trailer brakes and should be used only when testing them. Using the trailer hand valve while driving could result in a skid.
6 . 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).
7 . 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.
See the exact questions that will be on the 2024 Washington DMV exam.
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2024 Washington | Frequently Asked Questions
To obtain a CDL Tank endorsement in Washington, you first need a Commercial Driver's License (CDL). Then, study the "Transporting Cargo Safely" section of the Washington CDL manual. After studying, take the written tank vehicle test at a Department of Licensing office. If you pass, the tank endorsement will be added to your CDL.
To obtain a CDL Tank license, you first need a basic Commercial Driver's License (CDL). You then need to study the relevant sections of your state's CDL manual, focusing on transporting cargo safely. After studying, you must pass a written tank vehicle test at your local Department of Licensing office. Once passed, the tank endorsement is added to your CDL.
While specific training or experience isn't legally required to obtain a CDL Tank endorsement in Washington, it's advisable to study the "Transporting Cargo Safely" section of the CDL manual thoroughly. Experience driving similar vehicles can also be beneficial. Ultimately, you must pass a written tank vehicle test at a Department of Licensing office.
Yes, an additional written knowledge test is required for the CDL Tank endorsement. The test focuses on the specific knowledge needed to safely operate tank vehicles. This includes understanding the vehicle's handling characteristics, inspecting tank vehicles, and recognizing hazards. Studying the Commercial Driver Guide provided by the Washington State Department of Licensing will help prepare for this test.
The written test for the CDL Tank endorsement covers various topics related to safely transporting liquids and gases. Subjects include understanding bulk tank loading, unloading, and inspecting procedures, recognizing the dangers of surge, handling high center of gravity, and knowing how to control internal tank pressure among others. It's crucial to study these areas thoroughly.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific maneuvers. You'll be tested on understanding of safe loading and unloading procedures, handling of surge, control of internal tank pressure, and awareness of high center gravity risks. Practical driving skills are typically assessed during the general CDL skills test rather than the tank endorsement test.
Drivers with a CDL Tank endorsement must adhere to specific regulations and safety guidelines when transporting liquids or gases. They must understand the unique risks associated with this type of cargo, such as surge and high center of gravity. However, they are not restricted from driving other types of commercial vehicles unless there are additional endorsements or restrictions on their license.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials in the United States. This endorsement ensures the driver has the necessary knowledge and skills to handle such materials safely. Driving without the proper endorsement can result in legal penalties, including fines and suspension of driving privileges.
The CDL Tank endorsement can be added to your current CDL. You don't need a fresh application for a new license. However, you will need to pass a knowledge test related to tank vehicle operation. Once you pass the test, the endorsement will be added to your existing CDL.
Yes, to handle hazardous materials with a CDL Tank endorsement, drivers must also have a Hazardous Materials (HazMat) endorsement. They must pass a written test regarding the safe transportation of hazardous goods and undergo a federal background check. Understanding safety protocols, emergency procedures, and federal regulations is crucial for handling these materials.
