Excessive priming in a propulsion boiler can...

Question 1 / 205eccefa0bacbc34ba4d46f6f

Question 1 of 205eccefa0bacbc34ba4d46f6f

Excessive priming in a propulsion boiler can lead to severe damage of the __________. downcomers installed in a "D" type boiler main steam turbine reduction gears

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Question 1 of 20

5eccefa0bacbc34ba4d46f6f

Excessive priming in a propulsion boiler can lead to severe damage of the __________. downcomers installed in a "D" type boiler main steam turbine reduction gears

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🔍 Key Concepts

• Boiler priming and what actually carries over with the steam when priming occurs • Where downcomers are located and what their function is in a "D" type propulsion boiler • How moisture or water carryover from a boiler can affect high‑speed rotating machinery like main steam turbines and reduction gears

💭 Think About

• Think about whether priming mainly affects internal water‑circulation components in the boiler or external steam‑using machinery in the propulsion train • Ask yourself: if a slug of water or very wet steam leaves the boiler, which listed items would actually be in the path of that flow? • Consider which item is more likely to suffer from erosion, water hammer, or mechanical shock versus problems like circulation or overheating inside the boiler

✅ Before You Answer

• Verify what downcomers do (do they carry steam, water, or a mixture, and are they on the water side or steam side?) • Confirm what components the main steam line feeds directly after the boiler in a propulsion plant (turbines and then reduction gears). • Check whether typical texts warn about priming damage mainly in the boiler internals or in turbines/reduction gears downstream.

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Question 1 of 20

Excessive priming in a propulsion boiler can lead to severe damage of the __________. downcomers installed in a "D" type boiler main steam turbine reduction gears

I Only

II Only

Both I and II

Neither I nor II

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Question 1 / 205eccefa0bacbc34ba4d46f6f

Question 1 of 205eccefa0bacbc34ba4d46f6f

Excessive priming in a propulsion boiler can lead to severe damage of the __________. downcomers installed in a "D" type boiler main steam turbine reduction gears

Back

Question 1 of 20

5eccefa0bacbc34ba4d46f6f

Excessive priming in a propulsion boiler can lead to severe damage of the __________. downcomers installed in a "D" type boiler main steam turbine reduction gears

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