Oregon Driver's Examination

Knowledge Test Class B #1

FREE CDL Class B Driving Test Online | Oregon 2024

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 2021, 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 . 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.

2 . 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.

3 . Which of the following is not an example of a distracted person that motorists should be worried about?

A driver talking to another person in a vehicle

Children on the side of the road

Construction workers on the side of the road

A person sitting on a bench waiting for a bus

Drivers who are holding conversations with others may not be paying full attention to the road and may make unsafe moves. Children do not always pay attention to traffic and may dart into the road without looking. Exercise caution when driving near road workers. This helps to keep the workers and other distracted drivers safe.

4 . 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.

5 . A vehicle must be equipped with all of the following, except:

A fire extinguisher.

Spare electrical fuses.

Warning devices for a parked vehicle.

A flashlight.

All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.

6 . Why are roads especially slippery right after it begins to rain?

The water mixes with oil and grease on the road.

Roads are naturally slippery.

Gravel often gets washed to the middle of the lane.

Tires are not usually designed to drive in rain.

In rainy weather, roads are often at their most slippery when the rain first begins to fall. Fresh rainwater mixes with oil and grease on the road to form a slick film. As the rain continues, this mixture will eventually wash away.

7 . What can happen if the exhaust system is not working properly?

Poisonous fumes may enter the cab.

Fumes may exit the rear of the muffler system.

Proper steering may be impossible.

Leaks in an exhaust system are extremely dangerous because they may allow toxic fumes into the cab or sleeper berth, endangering drivers and passengers.

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2024 Oregon | Frequently Asked Questions

In Oregon, a CDL Class A license is defined as a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the vehicle(s) being towed have a GVWR of more than 10,000 pounds. It covers vehicles like tractor-trailers, truck and trailer combinations.

A Class A CDL license in Oregon allows the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. Essentially, it covers any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, if the towed vehicle(s) weigh over 10,000 pounds.

To obtain a Class A CDL license in Oregon, you must be at least 18 years old (21 for interstate driving), hold a valid Oregon driver's license, pass a vision test, and a knowledge test. You also need to pass a skills test, which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. A medical examination is also required.

To qualify for a Class A CDL license in Oregon, you must be at least 18 years old. However, you need to be at least 21 years old if you intend to drive across state lines or transport hazardous materials. It's essential to note that these age requirements are set by federal law and apply nationwide.

Endorsements are not required for a Class A CDL license, but they can enhance your license. They allow you to drive special types of vehicles such as tank vehicles, passenger vehicles, and vehicles carrying hazardous materials. To obtain an endorsement, you need to pass additional knowledge and skills tests related to the specific type of vehicle.

The Class A CDL skills test in Oregon includes three parts: a pre-trip vehicle inspection test to check your ability to assess the safety of your vehicle, a basic vehicle control test to evaluate your control over the vehicle in various situations, and an on-road driving test to assess your ability to safely operate the vehicle in traffic.

Yes, there can be limitations for Class A CDL license holders in Oregon. These could include restrictions based on medical evaluations, or limitations for drivers under 21, who are not allowed to operate commercial vehicles outside of Oregon. Also, specific endorsements are required for certain types of cargo or vehicles, like hazardous materials or passenger vehicles.

Yes, Oregon DMV offers the written Class A CDL test in several languages besides English. However, federal regulations require that all commercial drivers demonstrate proficiency in English to ensure safety on the roads. This includes reading road signs, communicating with law enforcement, and understanding driving regulations. Therefore, even if the test is taken in another language, some English proficiency is necessary.

Yes, Oregon DMV provides reasonable accommodations for individuals with disabilities taking the Class A CDL written test. These may include sign language interpreters, extended time, or a separate testing room. You should contact the DMV in advance to discuss your needs and make sure appropriate arrangements can be made for your test.

Yes, if you fail the Class A CDL written test in Oregon, you can retake it. However, you must wait at least one day before retaking the test. Keep in mind that there may be additional fees for each retake. It's recommended to study thoroughly to increase your chances of passing on the next attempt.