The Importance of Engine Oil Change
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Questions and Answers

Which function does engine oil play?

  • 2. Cleaning function
  • 4. Rust preventive function
  • 1. Lubrication function (correct)
  • 3. Sealing function

    • What happens if engine oil is not changed?

  • The engine becomes more powerful
  • The engine becomes harder to start (correct)
  • The engine becomes quieter
  • The engine becomes more efficient

    • Why does engine oil turn black?

  • It absorbs heat
  • It oxidizes
  • It removes dirt and sludge inside the engine (correct)
  • It reacts with the fuel

    • Why does engine oil amount decrease even under normal conditions?

    <p>It burns with the fuel after lubricating</p> Signup and view all the answers

    How should engine oil replacement be determined?

    <p>By the distance driven or amount of time</p> Signup and view all the answers

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