Proper vacuum must be maintained during...

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Question 1 of 205eccefa1bacbc34ba4d472cb

Proper vacuum must be maintained during prolonged astern operation to __________.

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5eccefa1bacbc34ba4d472cb

Proper vacuum must be maintained during prolonged astern operation to __________.

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🔍 Key Concepts

• Condenser vacuum and how it affects turbine exhaust pressure and temperature • Difference between ahead blading and astern blading in a marine steam turbine • What happens to turbine stages that are not actively taking steam during prolonged astern operation

💭 Think About

• When running astern for a long time, which turbine parts are still sitting in a hot steam environment even though they are not doing useful work? • How does good vacuum in the condenser influence the temperature and pressure at the turbine exhaust end? • Which option best matches a long-term protection concern for the turbine rather than an immediate safety trip or minor efficiency loss?

✅ Before You Answer

• Identify which choices relate to efficiency losses vs equipment protection. • Ask yourself which component (ahead blading, condensate, or trip devices) would be most vulnerable during prolonged astern running if vacuum is poor. • Verify which answer deals with avoiding excessive temperature or thermal stress in turbine parts that are not in active use while astern.

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Question 1 of 205eccefa1bacbc34ba4d472cb

Proper vacuum must be maintained during prolonged astern operation to __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d472cb

Proper vacuum must be maintained during prolonged astern operation to __________.

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