Placed as high as possible inside a trailer.
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Placed as low as possible inside a trailer.
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Placed on the driver’s side of a trailer.
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Number of questions: | 20 |
Passing score: | 16 |
Placed as high as possible inside a trailer.
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Placed as low as possible inside a trailer.
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Placed on the driver’s side of a trailer.
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Air tanks are shared between both systems.
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Each system has its own air tanks.
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You must designate which system you are using.
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Recheck the tightness of the lug nuts.
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See if rocks have gotten into the tread.
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Polish the tire.
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Only once temperatures drop significantly below 32 degrees Fahrenheit.
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After all other surfaces.
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Before other surfaces.
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One-half or more.
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About one-third.
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About one-quarter.
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Should not be used.
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Should only be used if a vehicle is close to you.
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Should be used each time.
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Mechanical force.
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Air pressure.
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Gravity.
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