Scale in the air ejector first-stage nozzle...

Question 1 / 205eccef9cbacbc34ba4d4578b

Question 1 of 205eccef9cbacbc34ba4d4578b

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

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Question 1 of 20

5eccef9cbacbc34ba4d4578b

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

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🔍 Key Concepts

• Function of the main condenser air ejector in a steam plant • Effect of air leaks and non-condensable gases on condenser performance • Relationship between air ejector nozzle condition, steam flow, and condenser vacuum

💭 Think About

• How does scale in the ejector nozzle affect the flow of steam through that nozzle? Think about whether this tends to increase or decrease steam velocity and mass flow. • If the air ejector is less effective at removing air and non‑condensables, what happens inside the condenser: to pressure, temperature, and heat transfer? • Which of the listed options is most directly tied to the performance of the air ejector, rather than being only an indirect or secondary effect?

✅ Before You Answer

• Verify which choice is most directly connected to condenser air removal efficiency. • Check how a change in condenser vacuum would influence turbine exhaust temperature and condensing temperature, and decide which of those is primary vs secondary. • Confirm in your mind that scale in a nozzle usually causes reduced flow capacity and think about what that does to the ejector’s ability to remove air.

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Question 1 of 20

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

low pressure turbine exhaust temperature

air ejector steam supply pressure

condensing temperature in the condenser

condenser vacuum

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Question 1 / 205eccef9cbacbc34ba4d4578b

Question 1 of 205eccef9cbacbc34ba4d4578b

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

Back

Question 1 of 20

5eccef9cbacbc34ba4d4578b

Scale in the air ejector first-stage nozzle could cause a decrease in the __________.

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