Is more dangerous than only watching your mirrors.
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Does not help you drive more safely.
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Can help you avoid the need for sudden lane changes.
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Number of questions: | 20 |
Passing score: | 16 |
Is more dangerous than only watching your mirrors.
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Does not help you drive more safely.
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Can help you avoid the need for sudden lane changes.
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A tractor without a semi-trailer
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A tractor with two semi-trailers
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A tractor that travels faster than the speed limit
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The trailer will stop normally.
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The trailer will not have brakes.
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The trailer will speed up.
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The Anti-Lock Braking System will activate.
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The service air line will activate.
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The emergency brakes will activate.
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Should always be used for parking.
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Should only be used for parking on a downgrade.
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Should never be used for parking.
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Leave the service line valve open.
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Remove the relay valves.
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Close the emergency line valve.
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Relay valves.
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Trailer air tanks.
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Signal line.
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