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Oklahoma 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 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.
You have made error so far
Passing grade —
4 or fewer errors
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1.
If an aggressive driver is involved in a crash down the road, you should:
Pull over and yell at them.
Stop after the crash scene and report the other driver’s behavior to police.
Block the driver in with your vehicle.
2.
During the vehicle inspection test, you will be asked to:
Change a tire.
Explain to the examiner what you are inspecting and why.
Estimate the weight of a load on a trailer.
3.
To prevent your vehicle from rolling backward when beginning to move, you can:
Partly engage the clutch before taking your foot off the brake pedal.
Place the vehicle in second gear.
Use the parking brake when stopping.
4.
If involved in an accident, which of the following is not recommended?
Trying to move your vehicle to the side of the road
Caring for the injured
Driving away from the scene
5.
When attaching more than one semi-trailer to your tractor, you should place:
The lightest semi-trailer at the very end of the combination.
The heaviest semi-trailer at the very end of the combination.
Any trailer in any position in the combination.
6.
The minimum acceptable tread depth for rear tires is:
1/64 of an inch.
1/32 of an inch.
2/32 of an inch.
7.
When it is difficult to see other vehicles, such as at dawn or dusk, you should:
Keep your lights off.
Turn your lights on.
Drive on the shoulder.
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