Knowledge Test Class A #2
Class A Driving Test | Washington 2026 #2 Page 3 of 7
Train for FREE online with our Washington class A license 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 CDL class A permit in 2026, 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 CDL class A requirements may vary from state to state.
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15 . Do not base your decision to shift gears on:
One way to know when it is time to shift gears is to learn your vehicle's operating rpm range. You should shift up when your engine reaches the top of that range. You can also learn which speeds each gear is good for and shift up based on your speedometer.
16 . If approaching a railroad crossing that is being approached by a train, you should:
Never attempt to beat a train to a railroad crossing. It is very difficult to accurately judge the speed of an approaching train. If you come upon a crossing that is being approached by a train, you must stop and wait for the train to pass before you attempt to cross the tracks.
17 . While driving:
Texting while driving a CMV is prohibited. "Texting" is defined as manually entering text into, or reading text from, an electronic device.
18 . Poor weight balance:
Poorly balanced cargo can cause a vehicle to be difficult to handle. Keep weight distribution in mind when loading cargo.
19 . What kind of force do emergency brakes use?
Air brakes are really three different braking systems: the service brake, the parking brake, and the emergency brake. Emergency and parking brakes are applied with mechanical force.
20 . A ramp's posted speed limit:
Posted speed limits on exit and entrance ramps often show speeds that are safe to be driven by cars. However, these speed limits may be too fast for large or heavily-loaded vehicles and CMV drivers will likely need to slow down to a speed below the posted limit.
21 . The maximum legal length of a school bus is:
In Washington State, a school bus may be not exceed 40 feet in length.
2026 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.