Front
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Last
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Middle
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Number of questions: | 20 |
Passing score: | 16 |
Front
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Last
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Middle
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Is controlled by the foot brake.
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Is connected to the relay valves.
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Supplies air to the trailer air tanks.
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Prevents skids.
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Release the brakes.
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Apply the trailer hand brake.
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Allow the wheels to grip the road.
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Allow the trailer to straighten out.
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To test the trailer brakes.
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To check the connection between the trailer and tractor.
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To accelerate.
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Emergency
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Supply
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Normal
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Push the brake pedal harder than usual.
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Push the brake pedal as you normally would.
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Push the brake pedal more lightly than usual.
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Pulling the yellow, diamond-shaped knob.
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Releasing air with the brake pedal.
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Unlocking the trailer doors.
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