Knowledge Test Class B #1
Class B Driving Test | Oregon 2025 #1 Page 5 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 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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29 . Rust around wheel nuts may mean:
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.
30 . When carrying a sealed load, a driver:
Though a driver cannot inspect a sealed load, they should still ensure that the load does not exceed applicable weight limits.
31 . Who is responsible for the safe operation of a vehicle?
The person driving a vehicle is responsible for its safe operation. Be sure to perform routine vehicle inspections before operating a commercial motor vehicle.
32 . Improperly loaded cargo can:
Improperly secured or loaded cargo can be very dangerous. For example, loose cargo could fall in the event of a sudden stop, potentially injuring or even killing the driver.
33 . A driver should stop after a short distance after changing a tire to:
Ensure that changing one tire did not damage another tire.
After a tire has been changed, you should stop after a short distance to re-check the tightness of the wheel nuts.
34 . When entering a foggy area, you should:
Use your high beam headlights.
Always slow down before entering a foggy area. Use low beam headlights, avoid passing others, and avoid stopping on the side of the roadway. It is safest to completely avoid driving under foggy conditions, if possible.
35 . When checking tires, finding which of the following is not a cause for concern?
Tread of at least 2/32 an inch on rear tires
