Knowledge Test Class B #2
Class B Driving Test | Oregon 2026 #2 Page 4 of 7
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 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 CDL class B requirements may vary from state to state.
50
40
20
22 . Brake fading is caused when:
Brakes are wet.
Using the brakes excessively will cause them to overheat, making them less effective. This is referred to as "fading."
23 . What is the minimum permitted size of a placard?
32 square inches
Hazardous materials must be diamond-shaped and a size of at least 10 ¾ square inches.
24 . After starting the engine as part of a pre-trip inspection, the driver should:
Check your engine during the pre-trip inspection. After starting the engine, you should listen for unusual noises.
25 . Before driving a power steering-equipped vehicle, you should make sure that:
When inspecting a vehicle that is equipped with power steering, check the hoses, pumps, and fluid level. In particular, you should look for leaks in the hoses.
26 . What kind of force do emergency brakes use?
Air brakes are really three different braking systems: the service brake, the parking brake, and the emergency brake. Emergency and parking brakes are applied with mechanical force.
27 . The air storage tanks:
Hold enough air for more than 1,000 braking cycles.
In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.
28 . When using your turn signal, you should:
Always begin signaling well in advance of a turn. This is the best way to ensure that other drivers do not try to pass you. Without using a turn signal, drivers may assume that you are merely slowing down or stopping when you are planning to turn.
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 Passenger endorsement in Oregon, you must first have a valid Oregon CDL. Next, study the passenger endorsement section in the Oregon CDL manual. Then, pass the written passenger endorsement test at your local DMV. You'll also need to pass a road skills test in the vehicle type you plan to drive.
In Oregon, to obtain a CDL Passenger license, you must have a valid Oregon CDL. You also need to pass a written knowledge test and a road skills test in the type of vehicle you plan to drive. Additionally, you must be at least 21 years old and have a clean driving record. A medical examination is also required to ensure you're physically fit to drive.
In Oregon, while no specific training or experience is legally required to secure a CDL Passenger endorsement, it's highly recommended. Training can help you pass the written knowledge and road skills tests. Experience driving similar vehicles can also be beneficial. Ultimately, you must demonstrate the ability to safely operate a passenger vehicle to obtain the endorsement.
Yes, in Oregon, to obtain a CDL Passenger endorsement, you are required to pass a written knowledge test specifically for passenger vehicles. This test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks. The state does not require an additional physical exam beyond the CDL requirements.
During the CDL Passenger endorsement skills test, you need to demonstrate your ability to safely load and unload passengers, respond to emergency situations, conduct pre-trip vehicle inspections, operate the vehicle safely (including starting, stopping, and turning), and perform tasks like parallel parking and backing up the vehicle. You'll also need to show proficiency in handling busy urban traffic.
No, you cannot legally transport passengers in Oregon without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving such vehicles without the appropriate endorsement could result in serious penalties, including fines and suspension of your CDL.
Yes, it's possible to add a CDL Passenger endorsement to your existing commercial driver's license in Oregon. You don't need a new application. However, you must pass the passenger endorsement written test and pay the required fee. After successful completion, the endorsement will be added to your existing CDL.
Yes, drivers with a CDL Passenger endorsement in Oregon are subject to specific regulations. They must ensure seatbelts are worn, adhere to maximum passenger limits, and follow safety protocols. Any violation could result in the suspension or revocation of the endorsement. Also, drivers are subject to random drug and alcohol testing as part of federal regulations for commercial drivers.
Yes, there are age-related prerequisites and limitations for acquiring the CDL Passenger endorsement in Oregon. To obtain the endorsement, you must be at least 18 years old and hold a valid Oregon CDL. However, if you plan to operate a commercial vehicle that transports passengers across state lines or carries hazardous materials, you must be at least 21 years old.
With a CDL Passenger endorsement in Oregon, you'll be eligible to operate vehicles such as buses, shuttles, and any other commercial vehicles that are designed to transport 16 or more passengers, including the driver. This includes school buses if you also have a School Bus endorsement. However, specific vehicle operation might also depend on the class of your primary CDL.
