Is located on the front of a trailer.
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Is located on the instrument panel.
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Prevents air from escaping an air brake system.
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Should always be open.
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Number of questions: | 20 |
Passing score: | 16 |
Is located on the front of a trailer.
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Is located on the instrument panel.
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Prevents air from escaping an air brake system.
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Should always be open.
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A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.
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A device that prevents theft.
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A device that controls fuel levels.
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A device that allows the battery to recharge efficiently.
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A tractor without a trailer
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A tractor attached to two trailers
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A tractor with a tank
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30 degrees.
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45 degrees.
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60 degrees.
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90 degrees.
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Ask another driver.
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Use your mirrors to determine if the trailer has left the lane.
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Release the brake pedal and then push it down again.
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Watch the jackknife warning light on the control panel.
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The trailer will often continue to move in a straight line.
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The trailer may disengage.
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The trailer may swing around.
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Steering will become easier.
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Emergency
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Supply
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Normal
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