Compressed air
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Outside air
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Non-compressed air
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Number of questions: | 25 |
Passing score: | 20 |
Compressed air
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Outside air
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Non-compressed air
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Presses the brake shoes against the inside of the brake drum.
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Tightens the brake drum onto the axle.
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Presses the brake lining against the wheel.
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Releases air from the air tanks.
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Only parts of the parking brake system
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Only parts of the service brake system
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Parts of the parking and service brake systems
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The brakes may squeak.
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The brakes may stop working.
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The brakes may be sluggish.
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3 psi in one minute.
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6 psi in one minute.
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8 psi in one minute.
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4 psi in one minute.
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On the driver’s door
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On the instrument panel
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On the outside of the vehicle by the passenger’s door
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Under the hood
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