AIR BRAKES PRACTICE TEST - WISCONSIN
11.
If you are being tailgated, you should:
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speed up.
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move to the left lane.
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flash your brake lights.
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increase your following distance.
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12.
Stepping on and off the brake pedal several times:
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reduces the air pressure in the tanks.
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may result in dangerously thin linings.
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may cause air leaks.
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All of the above.
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13.
If the air pressure gets too low:
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the brakes will lock up.
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you should set the parking brake.
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ABS will help maintain vehicle control.
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the brakes will not work.
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14.
The parking or emergency brakes of trucks or buses must be held on by:
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spring pressure.
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hydraulic pressure.
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fluid pressure.
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air pressure.
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15.
Combination vehicles have __ air lines.
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3
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2
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4
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1
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