In a closed feed and water cycle, which of...

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Question 1 of 205eccef9cbacbc34ba4d4576e

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level?

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5eccef9cbacbc34ba4d4576e

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level?

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🔍 Key Concepts

• Main condenser vacuum in a closed feed and water cycle and what affects it • Difference between heat transfer problems (like fouling) and air/steam leakage problems • Role of air ejectors and turbine gland seals in maintaining condenser vacuum

💭 Think About

• Which option would directly introduce air or vapor into the condenser space and destroy vacuum, rather than just make heat rejection less efficient? • Which condition would you expect to be most critical at all times, not just during special operations like maneuvering? • Think about whether raising steam pressure to the air ejectors would usually improve or worsen their ability to remove non-condensable gases.

✅ Before You Answer

• Identify which choice involves non‑condensable gases (air) entering the condenser shell space. • Check which conditions are normally associated with loss of vacuum alarms in a steam plant. • Consider which conditions are more about reduced condenser performance (higher back pressure) versus an actual failure to achieve design vacuum.

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Question 1 of 205eccef9cbacbc34ba4d4576e

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level?

Back

Question 1 of 20

5eccef9cbacbc34ba4d4576e

In a closed feed and water cycle, which of the conditions listed could prevent vacuum from reaching the desired level?

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