Hazmat Test | Washington 2025 #1

On our website, we provide FREE practice - CDL hazmat test online! 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 hazmat endorsement 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 Washington requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 30

Passing Score 24

Number of Tests 20

1 . How often are hazardous materials employees required to be trained and tested?

Once every year

Once every three years

Once every five years

All drivers must be trained in the security risks of hazardous materials transportation. This training must include how to recognize and respond to possible security threats. Hazardous materials employees must be trained and tested at least once every three years.

2 . When refueling a vehicle carrying hazardous materials:

The engine should be left on.

The engine should be turned off.

The gas nozzle may be left unattended.

If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

3 . You may leave a vehicle that is carrying explosives unattended:

Under a bridge.

In a safe haven.

On the shoulder of a highway.

When transporting hazardous materials, you may leave your vehicle unattended in a safe haven. A safe haven is a location that has been approved for parking unattended vehicles that are loaded with explosives.

4 . The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

10 B:C.

30 B:C.

40 B:C.

The power unit of a placarded vehicle must be equipped with a fire extinguisher with an Underwriters Laboratories (UL) rating of 10 B:C or more.

5 . A person attending a placarded vehicle must be:

Inside a gas station looking through a window.

In the vehicle, awake or asleep.

Within 100 feet of the vehicle.

A person attending a placarded vehicle must be awake inside the vehicle or otherwise within 100 feet of the vehicle; know the hazards associated with the materials; know what to do in an emergency; and be able and authorized to move the tank if necessary.

6 . If "Inhalation Hazard" appears on a shipping paper, the shipper should provide which placard?

Liquid

Poison Gas or Poison Inhalation Hazard

Reportable Quantity

If the words "Inhalation Hazard" appear on the shipping paper or package, you must display the "Poison Inhalation Hazard" or "Poison Gas" placards, as appropriate.

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2025 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.