Oregon CDL Permit Test - Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the Oregon Commercial Driver Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
Brakes out of adjustment will:
Work properly
Cause some of the brakes to overwork and malfunction
Allow better acceleration
Extremely hot temperatures can cause:
Tire failure.
A trailer to disengage.
Lights to malfunction.
Increased gas mileage.
States verify that a CDL or CLP driver has only one such license by:
Making phone calls to surrounding states.
Using a computerized system that links all states.
Asking the driver.
Looking through the driver's wallet.
Texting should:
Only be done on straight-aways
Only be done in curves
Not be done
If you’re unfamiliar about the area in which you must back-up, you should:
Get out and walk around the area to get more familiar
Not use both mirrors as that can cause too much distraction
Wait for someone else to back-up in the area so you see how they do it
Turn on the high beam lights
In a work zone, what is the leading factor that results in death and injury?
Under-inflated tires
When driving a vehicle with ABS, braking should be
Done similarly to braking in a vehicle without ABS
Coupled with placing the vehicle in neutral
Done with the hand brake
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