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Oregon CDL Permit Test - Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a
You have made error so far
Passing grade —
10 or fewer errors
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1.
During a vehicle inspection, ensure that lug nuts are all of the following, except:
Free of cracks.
Free of distortions.
Loose.
Free of rust.
2.
A low air pressure warning signal should activate:
When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.
When tank pressure falls below 5 psi.
3.
Exhaust system parts should be:
Leaking.
Rubbing against other parts of the vehicle.
Secured tightly.
4.
When passing a bicycle, you must allow at least ____ between your vehicle and the bicycle.
One foot
Two feet
Four feet
15 feet
5.
When traveling down a downgrade, the speed of a vehicle will likely:
Decrease.
Not change.
Increase.
Match the speed of traffic.
6.
What is another name for front-end header boards?
Headache racks
Cargo stoppers
Head braces
Ballasts
7.
The tire load:
Can be exceeded in cooler conditions.
Is the maximum safe weight a tire can carry at a given pressure.
Must be written in the shipping papers.
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