If a sample of engine lube oil indicates...

Question 1 / 205eccefa2bacbc34ba4d4790c

Question 1 of 205eccefa2bacbc34ba4d4790c

If a sample of engine lube oil indicates excessive fuel dilution, the lube oil should be __________.

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Question 1 of 20

5eccefa2bacbc34ba4d4790c

If a sample of engine lube oil indicates excessive fuel dilution, the lube oil should be __________.

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🔍 Key Concepts

• Effect of fuel dilution on lube oil properties (viscosity, lubricating film, flash point) • What centrifuging, filtering, and settling actually remove from oil (e.g., water, solids, sludge) • When manufacturers/USCG guidance call for a complete oil change instead of treatment

💭 Think About

• Think about whether fuel is present as large droplets/contaminants or mixed throughout the oil—would a separator or filter catch it? • Ask yourself which process is designed mainly for solids and water removal versus one that deals with chemical/mixture contamination. • Consider the risk to bearings and cylinder walls if thinned oil stays in service—what is the safest corrective action?

✅ Before You Answer

• Verify what contaminants centrifuges are best at removing from oil. • Verify what filters can and cannot remove (particle size, type of contaminant). • Verify what you are instructed to do in practice when lube oil shows excessive fuel dilution in a lab report or manufacturer’s guidance.

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Question 1 of 20

If a sample of engine lube oil indicates excessive fuel dilution, the lube oil should be __________.

changed

centrifuged

filtered

settled

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Question 1 / 205eccefa2bacbc34ba4d4790c

Question 1 of 205eccefa2bacbc34ba4d4790c

If a sample of engine lube oil indicates excessive fuel dilution, the lube oil should be __________.

Back

Question 1 of 20

5eccefa2bacbc34ba4d4790c

If a sample of engine lube oil indicates excessive fuel dilution, the lube oil should be __________.

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed