Knowledge Test Class B #1

Class B Driving Test | Oregon 2025 #1 Page 7 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 2025, practice as much as.. Read More

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.

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43 . During a pre-trip inspection, belts should be:

When inspecting your vehicle, you should check all belts for tightness and excessive wear.

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

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.

45 . 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."

46 . Pre-trip inspections:

A vehicle inspection should be completed in the same order every time. This will make it easier for you to learn all of the steps and will make it less likely that you will forget to check something.

47 . The radiator cap:

Never remove the radiator cap or any part of the pressurized cooling system until it has cooled. Opening the cap while the system is too hot could release steam and boiling water that could severely burn you. If the radiator cap is cool to the touch, the system is likely cool enough for you to open the cap.

48 . Eating while driving:

Is mandatory so cargo is not left unsupervised. To reduce the chances of driving distracted, you should avoid eating, drinking, or smoking while driving. Anything that diverts attention from the task of driving is a distraction.

49 . 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.

50 . What is black ice?

Ice that is easily seen Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet.

See the exact questions that will be on the 2025 Oregon DMV exam.

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See the exact questions that will be on the 2025 Oregon DMV exam.