Which of the problems listed will occur when...

Question 1 / 205eccefa0bacbc34ba4d46ee0

Question 1 of 205eccefa0bacbc34ba4d46ee0

Which of the problems listed will occur when the economizer temperature is below the acid dew point of the flue gases?

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Question 1 of 20

5eccefa0bacbc34ba4d46ee0

Which of the problems listed will occur when the economizer temperature is below the acid dew point of the flue gases?

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🔍 Key Concepts

• Acid dew point of flue gases and what happens when metal surfaces are colder than this temperature • How sulfur compounds and water vapor in exhaust form acidic condensate • Typical damage type in economizers exposed to acidic condensate over time

💭 Think About

• Think about what physically happens when hot, sulfur‑bearing flue gas hits a tube surface that is colder than the acid dew point—does something change from vapor to liquid? • What kind of long‑term damage would repeated exposure to acidic liquid on the outside of tubes most likely cause? • Compare which option is directly related to chemical attack by an acid rather than mechanical or high‑temperature issues.

✅ Before You Answer

• Verify which choice clearly involves chemical corrosion rather than mechanical cracking or thermal stress problems. • Eliminate any options that usually occur at very high metal temperatures rather than low, condensing temperatures. • Confirm that your chosen option fits with damage caused on the gas‑side surface of economizer tubes where acid might condense.

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Question 1 of 20

Which of the problems listed will occur when the economizer temperature is below the acid dew point of the flue gases?

Hairline fractures

Efficiency loss

External corrosion

Hydrogen embrittlement

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Question 1 / 205eccefa0bacbc34ba4d46ee0

Question 1 of 205eccefa0bacbc34ba4d46ee0

Which of the problems listed will occur when the economizer temperature is below the acid dew point of the flue gases?

Back

Question 1 of 20

5eccefa0bacbc34ba4d46ee0

Which of the problems listed will occur when the economizer temperature is below the acid dew point of the flue gases?

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