Class B Driving Test | Oregon 2025 #2

Train for FREE online with our Oregon class B 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 OR CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . During the vehicle inspection test, you must be able to do all of the following, except:

Show where the dipstick is located.

Show that the engine oil is within safe operating range.

Show that the oil is below the refill mark.

During the pre-trip vehicle inspection test, you will be asked to indicate where the dipstick is located. You will need to show that the oil level is within a safe operating range and above the refill mark.

2 . During the on-road driving test, you must do all of the following, except:

Wear your safety belt.

Obey all traffic laws.

Complete the test without a moving violation.

Obey all traffic signs and signals, but only if other traffic is present.

You must drive in a safe and responsible manner during the on-road driving test. This includes wearing your safety belt; obeying all traffic signs, signals, and laws; and completing the test without an accident or moving violation.

3 . After a vehicle is started, warning lights and buzzers:

Should stay on for several minutes.

Should turn off within a few seconds.

Should stay on until manually turned off.

Should remain on.

After starting the engine, warning lights and buzzers should go out right away. If a light stays on, it usually indicates an issue with the vehicle.

4 . In a leaf spring:

Leaves should be broken.

Leaves can be missing.

Leaves should not be broken.

When inspecting your vehicle's suspension, verify that leaf springs do not have missing or broken leaves. If at least one-fourth of the leaves in a leaf spring are missing, the vehicle will be put out-of-service until the defect is fixed.

5 . An Anti-Lock Braking System (ABS) will:

Allow you to drive faster than you would be able to otherwise.

Allow you to follow other vehicles more closely than you would be able to otherwise.

Allow you to drive less carefully than you would be able to otherwise.

Not decrease your stopping distance.

Anti-Lock Braking Systems (ABS) will help you to maintain control during hard braking. ABS will not necessarily shorten your stopping distance.

6 . When checking tires, finding which of the following is not a cause for concern?

Too much air pressure

Too little air pressure

Radial and bias-ply tires used together

Tread of at least 2/32 an inch on rear tires

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; that there is at least 2/32 of an inch of tread depth in grooves on other tires; and that radial and bias-ply tires are not used together.

7 . Rust around wheel nuts may mean:

It recently rained.

The nuts are loose.

The tire is not clean.

Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive.

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2025 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.