CDL AIR BRAKES PRACTICE TEST - WEST VIRGINIA
6.
When the low air pressure warning light and buzzer first come on, you should:
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immediately put alcohol into the air system.
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downshift and slow down.
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bring the vehicle to a safe stop right away.
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speed up to restore pressure.
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7.
Distracted driving may be caused by _________ while driving.
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listening to music
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maintaining constant speed
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eating
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All of the above.
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8.
Brake lag is:
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the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
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the amount of air pressure required to stop the vehicle.
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the time required for the air brakes to work after the brake pedal is pushed.
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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9.
The emergency brake system:
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uses the parking brake to stop the vehicle in the event of a brake system failure.
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uses the service brake to stop the vehicle in the event of a parking brake system failure.
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uses parts of the service and parking brake systems to stop the vehicle in the event of a brake system failure.
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None of the above.
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10.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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4 seconds
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5 seconds
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2 seconds
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3 seconds
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