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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.
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Passing grade —
4 or fewer errors
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1.
On a slippery road, a driver should:
Make turns as quickly as possible.
Refrain from passing slower vehicles.
Stop quickly.
2.
Which of the following is not a sign of bad brake drums or shoes?
Cracked drums
Pads with oil on them
Shoes worn thin
Shoes that are not covered in brake fluid
3.
If your vehicle is hydroplaning, you should:
Use the accelerator.
Not use the brakes.
Put the vehicle in a higher gear.
4.
Water that has collected on a roadway can cause:
Hydroplaning.
Acceleration.
Stopping.
5.
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:
In the same way as they would be in a vehicle without ABS.
As the vehicle is placed in neutral.
With the hand brake.
6.
Multi-speed axles and auxiliary transmissions are used:
To make a vehicle run more smoothly.
To provide extra gears.
To get improved gas mileage.
To make a vehicle less noisy.
7.
The effects of alcohol are felt:
With the first drink.
Only after several drinks have been consumed.
At the legal limit.
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