How can water enter the crankcase of an...

Question 1 / 205eccefa2bacbc34ba4d47953

Question 1 of 205eccefa2bacbc34ba4d47953

How can water enter the crankcase of an operating diesel engine?

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Question 1 of 20

5eccefa2bacbc34ba4d47953

How can water enter the crankcase of an operating diesel engine?

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🔍 Key Concepts

• Diesel engine crankcase construction and normal flow paths (what is supposed to go in and out) • Sources of water in engine systems: cooling water, lube oil system, combustion products (blow‑by) • What each listed component actually carries: air, oil mist, combustion gases, or coolant

💭 Think About

• For each option, ask yourself: does this path normally carry LIQUID water into the crankcase while the engine is running? • Think about how blow‑by gets into the crankcase—what is blow‑by made of, and in what state (liquid vs vapor)? • Consider which of these systems is directly connected to the crankcase in a way that could introduce water if something went wrong or under certain load/temperature conditions.

✅ Before You Answer

• Be clear on what the crankcase exhauster actually does (direction of flow and what it removes). • Recall that demulsifying lube oil means oil that separates from water, not one that carries more water into bearings. • Decide whether condensation from an expansion tank can realistically form and then travel into the crankcase during normal operation.

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Question 1 of 20

How can water enter the crankcase of an operating diesel engine?

Through the crankcase exhauster.

As water vapor contained in blow-by.

Demulsifying lube oil passing through the main bearings.

Condensation from vapor formed in the expansion tank.

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Question 1 / 205eccefa2bacbc34ba4d47953

Question 1 of 205eccefa2bacbc34ba4d47953

How can water enter the crankcase of an operating diesel engine?

Back

Question 1 of 20

5eccefa2bacbc34ba4d47953

How can water enter the crankcase of an operating diesel engine?

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?

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