Lubricating oil contamination in a gas...

Question 1 / 205eccef9fbacbc34ba4d46bbf

Question 1 of 205eccef9fbacbc34ba4d46bbf

Lubricating oil contamination in a gas turbine bearing oil sump will most likely come from which of the following?

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Question 1 of 20

5eccef9fbacbc34ba4d46bbf

Lubricating oil contamination in a gas turbine bearing oil sump will most likely come from which of the following?

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🔍 Key Concepts

• Relationship between bearing sump pressure, surrounding compartments, and flow direction of fluids/air • Purpose of seal pressurization air in gas turbine bearings • Typical paths by which fuel or gas path products can enter the lube oil system

💭 Think About

• Think about which option directly affects the pressure differential across the bearing seals and could let outside fluids migrate into the sump. • Ask yourself: which failure would most likely change the direction of leakage across the seals—from lube oil going out, to contaminants coming in? • Consider which listed failures would mostly stop oil movement versus which would allow foreign substances to be drawn into the bearing sump.

✅ Before You Answer

• Verify the function of seal pressurization air around bearing sumps in a gas turbine. • Check which component failure would primarily cause loss of protective pressure barrier rather than simple loss of flow. • Confirm which option creates the conditions for contaminants to migrate into (not just out of) the lube oil sump.

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Question 1 of 20

Lubricating oil contamination in a gas turbine bearing oil sump will most likely come from which of the following?

Failure of the lube oil pump

Failure of seal pressurization air

Failure of the scavenging pump

Fuel oil contamination

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Question 1 / 205eccef9fbacbc34ba4d46bbf

Question 1 of 205eccef9fbacbc34ba4d46bbf

Lubricating oil contamination in a gas turbine bearing oil sump will most likely come from which of the following?

Back

Question 1 of 20

5eccef9fbacbc34ba4d46bbf

Lubricating oil contamination in a gas turbine bearing oil sump will most likely come from which of the following?

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