Which of the following is the most probable...

Question 1 / 205eccef9fbacbc34ba4d46b67

Question 1 of 205eccef9fbacbc34ba4d46b67

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main propulsion gas turbine engine?

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Question 1 of 20

5eccef9fbacbc34ba4d46b67

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main propulsion gas turbine engine?

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🔍 Key Concepts

• Lube oil system on an aeroderivative gas turbine and where air can enter the oil • Purpose and operation of an air‑oil separator in a gas turbine lubrication system • How compressor discharge pressure and inlet air temperature mainly affect overall engine performance rather than directly mixing air into sump oil

💭 Think About

• Which component in the options is directly part of the lubrication system and has the specific job of separating air from oil? • Do changes in exhaust pressure, compressor discharge pressure, or inlet temperature normally cause foaming/aeration in the sump, or do they mainly affect thrust/power and efficiency? • Think about a failure that would allow more air to remain mixed with the returning oil instead of being removed—what device is designed to prevent that?

✅ Before You Answer

• Identify which choice is a lubrication‑system component versus general engine operating conditions. • Ask: which option would most directly result in air remaining entrained in the oil returning to the sump? • Confirm whether any of the pressure/temperature options would typically show up first as performance changes (power/efficiency) rather than as a lubrication issue like foamy or aerated sump oil.

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Question 1 of 20

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main propulsion gas turbine engine?

The air oil separator is not functioning properly.

Exhaust pressures are lower than normal.

The compressor discharge pressure is lower than normal.

Air inlet temperatures to the compressor are higher than normal.

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Question 1 / 205eccef9fbacbc34ba4d46b67

Question 1 of 205eccef9fbacbc34ba4d46b67

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main propulsion gas turbine engine?

Back

Question 1 of 20

5eccef9fbacbc34ba4d46b67

Which of the following is the most probable cause for the sump oil to be excessively aerated on an aeroderivative main propulsion gas turbine engine?

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