At least three inches
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More than two inches
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Up to five inches
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No more than one inch
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Number of questions: | 25 |
Passing score: | 20 |
At least three inches
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More than two inches
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Up to five inches
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No more than one inch
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Air pressure falls below 45 psi.
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Air pressure falls below 20 psi.
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Driving downhill.
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Driving uphill.
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Only at the front wheels.
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Only at the rear wheels.
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Only at the driver’s side wheels.
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At each wheel.
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Used whenever you park your vehicle.
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Used while driving.
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Set when driving in bad weather.
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Removed.
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Engage and disable the parking brake.
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Rapidly press and release the brake pedal.
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Open the rear shut-off valves.
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Uncouple and recouple all glad hands.
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Once a month.
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Once a week.
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Twice a week.
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Before every trip.
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