Drivers turn too quickly.
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Drivers turn too slowly.
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It is raining.
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Number of questions: | 30 |
Passing score: | 25 |
Drivers turn too quickly.
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Drivers turn too slowly.
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It is raining.
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When a vehicle’s front wheels follow a different path than its rear wheels
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When a vehicle's wheels all follow the exact same path
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When a load shifts during a turn
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When a vehicle's wheels run over a curb during a turn
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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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Keep cargo low.
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Place cargo high.
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Keep cargo loose.
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Turn quickly.
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Opening the rear shut-off valves and listening for escaping air.
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Closing the rear shut-off valves and listening for escaping air.
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Disconnecting air supply lines and listening for escaping air.
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Rolling each trailer down a hill and testing the brakes.
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Often have taller trailers than single commercial vehicles.
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Are usually lighter than single commercial vehicles.
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Require more skill to drive than single commercial vehicles.
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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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Relay valves.
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Trailer air tanks.
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Signal line.
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