50-degree
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180-degree
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90-degree
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Number of questions: | 20 |
Passing score: | 16 |
50-degree
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180-degree
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90-degree
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The amount of noise projected to the rear of a vehicle.
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The cause of the "crack-the-whip" effect.
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The number of trailers that can be pulled by a tractor.
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Supply the trailer with air.
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Deactivate the air brakes.
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Prevent the vehicle from skidding.
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Drivers turn too quickly.
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Drivers turn too slowly.
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It is raining.
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Release the brakes.
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Accelerate.
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Quickly turn the steering wheel in one direction, then in the other.
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Couple together the proper glad hands.
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Couple glad hands with any other glad hands.
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Leave one pair of glad hand loose.
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Pump the air brakes to activate the ABS.
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Look into the back of the fifth wheel.
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Check for wheel speed sensors coming from the back of the brakes.
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