Practice question

When preparing for the Georgia CDL air-brake exam, how do you measure brake chamber pushrod travel during inspection?

  1. With the engine running
  2. With the brakes fully applied, measure how far the pushrod has extended from the chamber compared to its retracted position
  3. Only by sight
  4. With air pressure off

Answer: B — With the brakes fully applied, measure how far the pushrod has extended from the chamber compared to its retracted position

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