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Questions and Answers
What does the acid value of oil measure?
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?
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?
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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