The suspension springs to extend.
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The tractor protection valve to open.
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The rear trailer to detach from the combination.
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The emergency brakes to activate.
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Number of questions: | 20 |
Passing score: | 16 |
The suspension springs to extend.
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The tractor protection valve to open.
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The rear trailer to detach from the combination.
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The emergency brakes to activate.
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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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At a 90-degree angle in front of the trailer.
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Directly in front of the trailer.
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At a 30-degree angle in front of the trailer.
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At a 60-degree angle in front of the trailer.
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Completely raised.
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Completely lowered.
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Skimming the pavement.
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A truck driver is driving too fast.
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The driver of a vehicle in front of a truck is moving to slowly.
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A truck driver is driving too slowly.
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ABS is working effectively.
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It allows a vehicle's wheels to lock up.
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It prevents a vehicle's wheels from locking up.
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It makes turning a vehicle easier.
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Prevent a rollover.
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Help you drive faster.
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Make turns more dangerous.
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