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Return the steering wheel to the 12 o’clock position.
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|
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Turn the top of the steering wheel in the direction of the drift.
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|
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Turn the top of the steering wheel in the direction opposite of the drift.
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Oklahoma CDL Permit Test - Double
(From the 2020 Oklahoma CDL driver handbook)
| 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 possible answer choices. Test questions come from the Oklahoma Commercial Driver License 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.
Passing grade —
4 or fewer errors
advertising
1.
If you are backing and the trailer begins to drift off-course, the driver should:
2.
Landing gear should be ____ during uncoupling.
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Partially lowered
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Fully raised
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Firmly on the ground
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3.
When coupling, you should:
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Make sure to couple the proper glad hands.
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|
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Only couple one set of glad hands.
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|
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It is best to leave one glad hand loose.
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4.
What is the Johnson bar?
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A hand valve that works the trailer brakes
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|
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A valve that indicates the fuel level
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A valve that limits the amount of cargo
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5.
Roads are especially slippery when it first begins to rain because:
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Water is always very slippery.
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The fresh rain mixes with oil on the roadway.
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The water has nowhere to go.
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6.
In a double or triple combination, the ____ trailer should be directly behind the cab.
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Lightest
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Heaviest
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Smallest
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7.
You should check and adjust your mirrors:
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Before driving.
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While driving.
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After driving.
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