Practice question

Under Georgia DDS Section 5 air-brake guidance, what is the air brake lag distance, and why does it matter?

  1. Distance traveled before air reaches the brake chambers and braking force builds — typically adds several feet at highway speeds
  2. Distance between the tractor and trailer
  3. Distance the parking brake travels
  4. A type of brake lining

Answer: A — Distance traveled before air reaches the brake chambers and braking force builds — typically adds several feet at highway speeds

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Practice more: Georgia CDL Air Brakes Test Practice Questions - Georgia Commercial Driver License (CDL) Air Brakes Knowledge Test Exam →