Should always be used for parking.
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Should only be used for parking on a downhill.
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Should never be used for parking.
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Should only be used when transporting cargo.
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Number of questions: | 20 |
Passing score: | 16 |
Should always be used for parking.
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Should only be used for parking on a downhill.
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Should never be used for parking.
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Should only be used when transporting cargo.
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Will help you turn safely.
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Will stop your trailer safely.
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Can cause a skid.
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Is impossible.
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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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Is easier
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Requires more driving skill
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Is better for training
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Is safer in inclement weather
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Turn on the air supply.
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Apply the trailer emergency brakes.
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Prevent a skid.
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Accelerate the vehicle.
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Make sure to couple matching glad hands.
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Any glad hand can be connected to any other glad hand.
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It is best to leave one glad hand unattached.
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Only one set of glad hands should be connected.
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A five-axle tractor semi-trailer
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A three-axle tractor semi-trailer
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A bobtail tractor
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A triple trailer
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