AIR BRAKES CDL PRACTICE TEST - VERMONT
6.
With brake drums, if brakes become too hot:
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the brakes may stop working.
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your ABS will malfunction.
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the brakes will supply too much power to the drive wheels.
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7.
An alcohol evaporator:
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protects the air brake system from too much pressure.
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used to reduce the chance of the front wheels skidding.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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8.
How do you test hydraulic brakes for leaks?
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Pump the brake pedal ten times and see if it holds.
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Pull forward against parking brake to make sure the hydraulic brakes holds.
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Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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9.
ABS malfunction lamps are located:
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under the hood.
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on the driver'door.
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on the instrument panel.
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10.
An ABS system:
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gives you more control over the vehicle during braking.
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helps you avoid skids caused by over braking.
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All of the above.
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