AIR BRAKES CDL PRACTICE TEST - VERMONT

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