The crankcase of many diesel engines are...

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Question 1 of 205eccefa1bacbc34ba4d47443

The crankcase of many diesel engines are kept under a slight vacuum by the __________.

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5eccefa1bacbc34ba4d47443

The crankcase of many diesel engines are kept under a slight vacuum by the __________.

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🔍 Key Concepts

• Diesel engine crankcase ventilation and why a slight vacuum is desirable • Difference between scavenging air flow (cylinder side) and crankcase ventilation (crankcase side) • Typical devices used on large marine diesels to remove oil mist and fumes from the crankcase

💭 Think About

• Think about which part of the engine the crankcase is, and which components actually communicate with that space during normal operation. • Ask yourself: which option describes equipment specifically intended to move air or fumes out of a closed space like a crankcase, rather than moving charge air through the cylinders? • Consider which devices are realistically found on marine diesels for continuous safe operation, not just for measurement or testing.

✅ Before You Answer

• Identify which choices are related to cylinder scavenging versus crankcase ventilation—they are not the same system. • Check which option represents a continuous ventilation/air-moving device rather than an instrument or measuring device. • Verify which component would be designed to maintain a slight negative pressure and discharge oily vapors safely to atmosphere or another space.

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Question 1 of 205eccefa1bacbc34ba4d47443

The crankcase of many diesel engines are kept under a slight vacuum by the __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47443

The crankcase of many diesel engines are kept under a slight vacuum by the __________.

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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