Practice question

For Michigan CDL air-brake testing, what is the meaning of brake lining 'glazing'?

  1. Lining becomes shiny and slick from overheating, reducing friction
  2. Lining becomes thicker
  3. Lining absorbs water
  4. Lining cools down faster

Answer: A — Lining becomes shiny and slick from overheating, reducing friction

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