Under constant boiler load, the superheated...

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Question 1 of 205eccefa0bacbc34ba4d46e12

Under constant boiler load, the superheated steam temperature may rise above normal for the existing load if __________.

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5eccefa0bacbc34ba4d46e12

Under constant boiler load, the superheated steam temperature may rise above normal for the existing load if __________.

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🔍 Key Concepts

• Superheater operation and how gas temperature affects steam temperature • Effect of excess air / combustion air temperature on furnace and gas passage temperatures • Why changes in feedwater temperature or water level do or do not directly affect superheat temperature under constant load

💭 Think About

• Which of these factors changes the temperature of the flue gases flowing over the superheater tubes, without changing the steam flow (load)? • Do changes in water level or feedwater temperature significantly change the gas-side conditions at the superheater, or mainly the water/steam-side conditions in the drum and economizer? • How would very hot combustion air or very low excess air alter the furnace flame temperature and thus the heat available to the superheater?

✅ Before You Answer

• Identify which option most directly increases gas temperature at the superheater while boiler load (steam flow) stays constant • Eliminate any choice that mainly affects drum level or feedwater heating but not the gas path temperature at the superheater • Confirm that the remaining choice would tend to raise steam outlet temperature at a fixed firing rate/boiler load

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Study

Question 1 of 205eccefa0bacbc34ba4d46e12

Under constant boiler load, the superheated steam temperature may rise above normal for the existing load if __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46e12

Under constant boiler load, the superheated steam temperature may rise above normal for the existing load if __________.

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