Which of the following conditions is...

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Question 1 of 205eccefa2bacbc34ba4d478fe

Which of the following conditions is indicated when the lubricating oil of a diesel engine turns dark after a few hours of use?

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5eccefa2bacbc34ba4d478fe

Which of the following conditions is indicated when the lubricating oil of a diesel engine turns dark after a few hours of use?

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🔍 Key Concepts

• Effect of combustion byproducts (soot, carbon) on lubricating oil appearance • Normal behavior of engine lube oil color over time in service • Difference between oil color and oil lubricating properties

💭 Think About

• Does dark color always mean the oil has lost its lubricating ability, or can it mean something else is being carried in suspension? • What is one of the important functions of engine lubricating oil besides reducing friction? • If the engine were actually overheating, what other signs besides dark oil would you expect?

✅ Before You Answer

• Distinguish between visual appearance of the oil and its actual lubricating quality • Consider whether modern detergent oils are designed to keep contaminants in suspension, and how that affects color • Think about what would be considered normal after a few hours of operation on a clean, properly running diesel

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Question 1 of 205eccefa2bacbc34ba4d478fe

Which of the following conditions is indicated when the lubricating oil of a diesel engine turns dark after a few hours of use?

Back

Question 1 of 20

5eccefa2bacbc34ba4d478fe

Which of the following conditions is indicated when the lubricating oil of a diesel engine turns dark after a few hours of use?

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