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North Dakota 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 four possible answer choices. Test questions come from the North Dakota Commercial Driver Guide. Questions come from chapters covering: Driving Safely, Transporting Cargo 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
When passing another vehicle, you should:
Make eye contact with the driver.
Assume the driver doesn’t see you.
Honk your horn.
Wait for the other driver to signal that it is safe to do so.
The best way to notice if a trailer has begun to skid is to:
Ask another driver.
Use your mirrors to determine if the trailer has left the lane.
Look at the skid sensor.
Feel the tractor move.
One way to avoid jackknifing is to:
Swerve frequently.
Exceed the speed limit.
Look ahead of your vehicle to identify potential hazards.
Drive on the shoulder.
When driving, the steering wheel should be:
Held with one hand.
Held with both hands on opposite sides of the wheel.
Held with both hands at the bottom of the wheel.
Held with both hands at the top of the wheel.
When encountering fog, you will be safest if you:
Stay in the left lane.
Don’t drive in the fog.
Use your low beam lights.
Follow the vehicle ahead of you closely.
When you double your speed from 20 to 40 mph, your vehicle's braking distance will become ____ times longer.
When starting a vehicle, the coolant temperature gauge should:
Not change from its original position.
Gradually rise to the normal operating range.
Jump quickly to the normal operating range.
Flash until it reaches the normal operating range.
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