CDL AIR BRAKES PRACTICE TEST - WEST VIRGINIA

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