CDL AIR BRAKES PRACTICE TEST - MARYLAND

11. To check slack adjusters on S-cam brakes, you should:
use gloves and pull hard on each slack adjuster you can reach.
check that the spring brakes come on automatically.
press the brake pedal and listen for any strange noises.
All of the above.
12. Antilock brakes:
let you drive faster.
decrease your stopping distance.
help you stop faster.
None of the above.
13. Empty trucks:
are higher than loaded trucks.
have less traction.
require greater stopping distances.
All of the above.
14. Brake lag is:
the distance your vehicle will travel, in ideal conditions, while you are braking.
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 continue to travel, in ideal conditions, before you hit the brakes.
15. Most heavy-duty vehicles use:
triple air brake systems.
single air brake systems.
pump-the-brake systems.
dual air brake systems.
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