Tank #1
Tank Endorsement Test | Oregon 2026 #1
Train for FREE with our Oregon tank endorsement practice 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 OR tank license 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 DMV requirements for issuing a CDL tank vehicle endorsement may vary from state to state.
20
16
20
1 . Steering wheel play should be no more than:
A steering wheel should have no more than 10 degrees of play. This is equal to about two inches of movement at the rim of a 20-inch wheel. If there is more play than this, it may be difficult to steer.
2 . A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.
1,000 feet
Do not smoke within 25 feet of a placarded cargo tank used to transport Class 3 or Division 2.1 hazardous materials.
3 . Without oil in its engine:
A vehicle's gas mileage will improve.
An engine can be rapidly destroyed if it is run without oil. If its oil pressure gauge is low or fluctuating, do not operate a vehicle.
4 . When checking tires, finding which of the following is not a cause for concern?
When checking your vehicle's tires, you should confirm that air pressure is neither too low nor too high; that there is at least 4/32 of an inch of tread depth in every major groove on the front tires; and that radial and bias-ply tires are not used together.
5 . Which of the following is not a tire problem to check for and avoid?
All tires are made by the same company
During an inspection, there are a number of tire problems to check for and avoid. Look for air pressure that is too low or too high; excessive wear; cuts or other damage; tread separation; dual tires that come into contact with each other or other parts of the vehicle; mismatched tire sizes; radial and bias-ply tires used together; cut or cracked valve stems; and regrooved, recapped, or retreaded tires on the front wheels of a school bus.
6 . What can happen if the exhaust system is not working properly?
Leaks in an exhaust system are extremely dangerous because they may allow toxic fumes into the cab or sleeper berth, endangering drivers and passengers.
7 . When driving a tank, a surge:
Liquid surge in a tank can have potentially serious effects on handling. A forward surge, for example, could push a stopped vehicle into an intersection.
See the exact questions that will be on the 2026 Oregon DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2026 Oregon | Frequently Asked Questions
To acquire a CDL Tank endorsement in Oregon, you must first hold a valid Commercial Driver's License (CDL). Then, study for the tanker endorsement test using the Oregon CDL manual. Schedule and pass the written tanker endorsement test at your local DMV. The endorsement will be added to your CDL upon passing the test.
To obtain a CDL Tank license in Oregon, you must first possess a valid Commercial Driver's License (CDL). Then, you need to study for the tanker endorsement test using the Oregon CDL manual. After studying, you must schedule and pass the written tanker endorsement test at your local DMV. After passing, the endorsement will be added to your CDL.
While specific training or experience isn't mandatory for a CDL Tank endorsement in Oregon, it's highly recommended. Applicants should understand how to safely operate a tank vehicle, including handling high center of gravity, surge, and emergency maneuvers. Studying the Oregon CDL manual and practical training can be beneficial in passing the endorsement test.
Yes, to obtain a CDL Tank endorsement in Oregon, you must pass the Tank Vehicle endorsement test. This written exam assesses your knowledge of the safe handling and operation of tank vehicles. You should study the relevant sections in the Oregon Commercial Driver Manual to prepare for this test.
The written test for the CDL Tank endorsement in Oregon covers subjects like inspecting tank vehicles, driving tank vehicles, safe driving rules specific to tank vehicles, and how to handle emergencies. It also includes questions on the effects of liquid surge on vehicle handling and special considerations for loading and unloading.
The CDL Tank endorsement assessment doesn't involve a specific skills test or maneuvers. It's a written test focusing on knowledge about tank vehicles. Topics include inspecting tank vehicles, understanding high center of gravity and liquid surge, handling emergencies, and safe driving rules. Practical skills are assessed during the general CDL road test, not the tank endorsement test.
Yes, drivers with a CDL Tank endorsement must adhere to specific rules and regulations. For instance, they must understand and follow the safety protocols for handling and transporting liquids. Additionally, they may be restricted from driving certain tank vehicles based on the specific endorsements on their CDL, such as vehicles carrying hazardous materials.
No, it is illegal to transport liquid or gas materials in a tank vehicle without a valid CDL Tank endorsement. This endorsement is required by federal law to ensure that drivers have the necessary skills and knowledge to safely operate these types of vehicles and handle potentially dangerous materials.
The CDL Tank endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you must pass the Tank endorsement knowledge test. Once you pass, the DMV will add the endorsement to your CDL. Remember, each state has its own procedures, so check with your local DMV.
Yes, to transport hazardous materials with a CDL Tank endorsement, you must also have a Hazardous Materials (HazMat) endorsement. This requires passing an additional knowledge test and a TSA background check. Also, you must follow the Federal Motor Carrier Safety Administration's regulations for handling and transporting hazardous materials.
