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Oregon CDL Permit Test - Double

Number of questions: 20
Passing score: 16
Directions: This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 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: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
If a load is placed on one side of a trailer, the trailer:
May lean, and could result in a rollover.
May add extra support during turns.
Have improved braking.
Have improved steering.
2.
Alcohol can be removed from your system:
By exercising.
By drinking coffee.
By waiting.
3.
When backing, it is best to:
Rely only on the passenger’s side mirror.
Try to back up quickly.
Turn toward the passenger’s side whenever possible.
Use a helper, if possible.
4.
When driving at highway speeds, you should watch the road about ____ ahead of your vehicle.
One block
100 yards
One quarter mile
One mile
5.
If you are feeling tired and yawning a lot while you are driving, you should:
Pull over and take a nap.
Get some coffee.
Drive faster.
6.
What should a driver do if their vehicle hydroplanes?
Accelerate.
Use the brakes.
Release the accelerator and push in the clutch.
Take the vehicle out of gear.
7.
Which of the following is not a problem?
Loose or broken exhaust pipes
Loose or broken mounting brackets
Exhaust parts rubbing against fuel system parts
Exhaust system parts that are not leaking
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