Practice question

What is the purpose of checking wheel hub oil seals during pre-trip walk-around inspection?

  1. To verify that oil is spraying freely onto the brake linings
  2. To ensure hub oil level is adequate and that hub seals are not leaking oil onto wheels or brake friction components
  3. To check the color of the wheel rim paint
  4. To measure tyre inflation pressure

Answer: B — To ensure hub oil level is adequate and that hub seals are not leaking oil onto wheels or brake friction components

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