Tank

This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or.. Read More

This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Oregon Commercial Driver Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

8. Rollovers happen when:

Explanation
Rollovers happen as a result of drivers taking turns too fast.

9. Distracted driving:

Explanation
Distractions while driving can be physical (such as reaching for an object), mental (such as making conversation with a passenger), or both (such as holding a phone to send texts). Strategies to help you avoid distracted driving include pre-programming radio stations; planning out your route in advance; avoiding complex or emotionally taxing conversation while driving; adjusting your mirrors before setting out; and not eating, drinking, or smoking while behind the wheel.

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

Explanation
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.

11. When traveling down a downgrade, the speed of a vehicle will likely:

Explanation
On a downgrade, the force of gravity will cause a vehicle's speed to increase. When approaching a downgrade, choose to travel at a speed that will be safe for the size and weight of your vehicle.

12. Before driving a tank, you should:

Explanation
When inspecting a tank vehicle, it is most important to check for leaks. Check all pipes, connections, and hoses, especially around joints. Make sure manhole covers have gaskets and that they close correctly.

13. What does the vehicle inspection report do?

Explanation
A vehicle inspection report keeps the carrier informed about any problems that need to be fixed.

14. If you are transporting hazardous materials and the cargo is on fire, you should:

Explanation
Fighting a hazardous materials fire requires special training and protective gear. Unless you have the proper equipment and training, do not try to fight a hazardous materials fire yourself.
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