A good quality lubricating oil used in any...

Question 1 / 205eccefa2bacbc34ba4d478de

Question 1 of 205eccefa2bacbc34ba4d478de

A good quality lubricating oil used in any machinery, should be __________.

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Question 1 of 20

5eccefa2bacbc34ba4d478de

A good quality lubricating oil used in any machinery, should be __________.

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🔍 Key Concepts

• Properties of good lubricating oil used in engines and machinery • Effects of acidity, oxidation, and emulsification on metal surfaces and bearings • Purpose of additives in modern lubricating oils

💭 Think About

• Think about what would happen to metal parts if the lubricating oil contained acid or oxidized rapidly. • Consider whether it is desirable for lubricating oil to mix easily with water, or to stay separated from it. • Ask yourself why manufacturers often put additives in lubricating oils—are they usually helpful or harmful to performance?

✅ Before You Answer

• Verify which property best protects metal surfaces and bearings over time. • Check which options describe things that are generally harmful in lubricating oil rather than helpful. • Confirm whether good lubricating oil should resist or promote emulsifying with water.

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Question 1 of 20

A good quality lubricating oil used in any machinery, should be __________.

acid free

capable of emulsifying

a rapid oxidizer

additive free

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