Acid Value of Oils Quiz
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Questions and Answers

What does the acid value of oil measure?

  • The pH level of the oil
  • The viscosity of the oil
  • The number of milligrams of potassium hydroxide required to neutralize free acid in oil (correct)
  • The density of the oil

    • Why is it important to determine the acid content in unused refined petroleum oils?

  • To directly indicate the corrosion hazard
  • To sound a warning that a corrosion test might be revealing (correct)
  • To determine the oil's flash point
  • To measure the oil's purity

    • What is the significance of a very low acid value in good oils like lubricating oils?

  • It suggests a high corrosion risk
  • It implies a high pH level
  • It means the oil is impure
  • It indicates the oil's good quality (correct)

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