Most auxiliary turbine feed pumps do not...

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Question 1 of 205eccefa0bacbc34ba4d470fc

Most auxiliary turbine feed pumps do not require an external source of gland sealing steam because they __________.

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Question 1 of 20

5eccefa0bacbc34ba4d470fc

Most auxiliary turbine feed pumps do not require an external source of gland sealing steam because they __________.

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🔍 Key Concepts

• gland sealing steam – why it is needed on some turbines but not others • Relationship between internal steam pressure and atmospheric pressure at the low‑pressure end of a turbine • How auxiliary turbine feed pumps typically discharge or exhaust compared with main propulsion turbines

💭 Think About

• Ask yourself: In what situation do we actually need gland sealing steam – when the turbine end is under vacuum, below atmospheric, or above atmospheric pressure? • Think about where an auxiliary feed pump turbine usually exhausts to: does it normally see condenser vacuum, or does it work against a pressure that is not below atmospheric? • For each choice, ask: Would this condition prevent outside air from leaking into the turbine along the shaft, and therefore remove the need for sealing steam?

✅ Before You Answer

• Identify which option directly addresses pressure at the low‑pressure or exhaust end of the turbine relative to atmosphere. • Eliminate options that talk about features (like thrust or packing type) that do not themselves control air in‑leakage. • Choose the statement that, if true, makes air ingress along the shaft unlikely, so external gland sealing steam is unnecessary.

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Question 1 of 205eccefa0bacbc34ba4d470fc

Most auxiliary turbine feed pumps do not require an external source of gland sealing steam because they __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d470fc

Most auxiliary turbine feed pumps do not require an external source of gland sealing steam because they __________.

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