In a boiler, water flows downward in tubes...

Question 1 / 205eccefa0bacbc34ba4d46c61

Question 1 of 205eccefa0bacbc34ba4d46c61

In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46c61

In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.

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🔍 Key Concepts

• Natural circulation in boilers – how heated water moves compared to cooler water • Effect of density changes with temperature on circulation inside tubes • Relationship between location of heat source (fires) and water movement in adjacent tubes

💭 Think About

• Think about what happens to water when it is heated: does it become denser or less dense, and does it tend to rise or sink? • In a natural-circulation boiler, which tubes (near or far from the fires) will contain the hotter water, and which will contain the cooler water? • How does the difference in water density between hot and cold areas create a circulation path inside the boiler tubes?

✅ Before You Answer

• Be clear on whether hot water is more dense or less dense than cold water • Decide which tubes (nearest or farthest from the fires) contain the hottest water during normal operation • Confirm that the key driver of circulation here is a density difference, not tube diameter

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Question 1 of 20

In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.

water is denser in the tubes farthest from the fires

water is less dense in the tubes farthest from the fires

tubes farthest from the fires have a greater diameter

tubes farthest from the fires have a smaller diameter

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Question 1 / 205eccefa0bacbc34ba4d46c61

Question 1 of 205eccefa0bacbc34ba4d46c61

In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46c61

In a boiler, water flows downward in tubes furthest from the fires and flows upward in tubes nearest the fires because __________.

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