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FREE 2024 Georgia (GA) Air Brakes Quick Review 1

2024 GA Air Brakes Information

Most commercial vehicles utilize an air brake system over the traditional hydraulic brake system of passenger cars due to the "unlimited" supply the included air compressor and storage tanks can create. This eliminates the need to add hydraulic fluid when connecting a trailer.

The air brakes test covers the air brake system in detail, including appropriate air loss, brake lag, system components, and more. There are a total of 25 multiple choice questions on the air brakes exam, and you must score 80% (20 out of 25) to pass the exam. We have complied 100 questions you will find on the air brakes exam. These questions are based off the 2024 Georgia CDL drivers’ manual.

The air brakes exam is different than the other endorsement tests, it actually serves as a restriction on your license. You are able to get a CDL without the air brakes test but will not be allowed to drive any vehicle that is equipped with air brakes because your license will have a "L" restriction.

Image of Georgia's Driver's License

Based on the 2024 GA CDL Driver's Manual

GA Air Brakes Fact Sheet
Questions on Test:
25
Correct answers needed to pass:
20
Passing Score:
80%
Age to apply:
18
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Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks?

Possible Answers:

After every four hours of service.
After every working day.
Once a week.
Answer:
After every working day.
Explanation:
If your vehicle does not have automatic air tank drains, drain your air tanks at the end of each working day to remove moisture and oil. Otherwise, the brakes could fail.
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  1. Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks?
  2. What is the S-cam used for?
  3. Which of the following makes the total stopping distance for air brakes longer than that for hydraulic brakes?
  4. The brake system that applies and releases the brakes when the driver uses the brake pedal is the:
  5. To make an emergency stop with air brakes, using the stab braking method, you should:
  6. Brake lag distance at 55 mph is _____ feet?
  7. If your vehicle has an alcohol evaporator, it is there to:
  8. What can legally hold a parking or emergency brake in position for a truck, truck tractor or bus?
  9. The braking power of the spring brakes:
  10. Which of the following should you do before leaving your vehicle unattended?
  11. Under which conditions are front wheel brakes good?
  12. If the air tanks are not drained,
  13. An antilock braking system (ABS)
  14. Which of the following can cause brakes to fade or fail?
  15. What is the best way to test if your vehicle's spring brakes come on automatically?
  16. If your vehicle has a properly functioning dual air brake system and minimum-sized air tanks, the air pressure should build from 85 to 100 psi within ____ seconds.
  17. The air compressor will stop pumping air into the air tanks at ____ psi.
  18. Excessive heat caused by overuse of the service brakes can cause
  19. Excessive use of the service brakes may result in overheating, which can lead to
  20. A typical air brake system is fully charged at
  21. During normal driving, spring brakes are usually held back by
  22. During your final air brake check, if the air pressure does not build up fast enough,
  23. To test the static air leakage rate, you should
  24. Air brakes use _________ to make the brakes work.
  25. When you press the brake pedal,
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