Which of the additives listed is used to...

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Question 1 of 205eccefa1bacbc34ba4d47215

Which of the additives listed is used to reduce the foaming tendency of lube oil?

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5eccefa1bacbc34ba4d47215

Which of the additives listed is used to reduce the foaming tendency of lube oil?

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🔍 Key Concepts

• Behavior of lube oil when air is entrained and why foam is a problem in engines • Typical types of chemical additives used in lubricating oils and their primary functions • Difference between additives that promote mixing (like detergents/emulsifiers) and those that reduce or suppress unwanted behavior

💭 Think About

• Think about what you want to happen to foam in lube oil: do you want to create it, stabilize it, or get rid of it? • Look at each option and ask: does this additive generally increase mixing/stability of oil with other substances, or does it act to knock something down or prevent it? • Consider where the term is also used outside of lubrication, such as in fire-fighting agents or refrigerants, and what they do in that context.

✅ Before You Answer

• Match each term with its general industrial meaning (e.g., emulsifier, depressant, suppressant). • Eliminate any additive whose main function is to help oil mix with water or contaminants, since that would worsen foaming, not help it. • Confirm which term most clearly means to reduce or prevent an unwanted effect, like foam formation.

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Question 1 of 205eccefa1bacbc34ba4d47215

Which of the additives listed is used to reduce the foaming tendency of lube oil?

Back

Question 1 of 20

5eccefa1bacbc34ba4d47215

Which of the additives listed is used to reduce the foaming tendency of lube oil?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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