On the marine gas turbine engine shown in...

Question 1 / 205eccef9fbacbc34ba4d46b56

Question 1 of 205eccef9fbacbc34ba4d46b56

On the marine gas turbine engine shown in the illustration, the 8th stage bleed air is used for which of the following? Illustration GT-0017

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Question 1 of 20

5eccef9fbacbc34ba4d46b56

On the marine gas turbine engine shown in the illustration, the 8th stage bleed air is used for which of the following? Illustration GT-0017

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🔍 Key Concepts

• Trace the labeled 8th Stage Bleed line on the GT-0017 diagram and read exactly what its destination box says. • Distinguish between sump pressurization/cooling air and cooling air used for turbine nozzles/blades or balance pistons. • Notice that there is also an 8th Stage Customer Bleed shown; do not confuse that with the specific 8th stage bleed called out in the question.

💭 Think About

• Follow the arrow coming off the compressor at the 8th stage and ask yourself: which component or function box does this air first go to? • Compare where the 8th stage bleed goes with where cooling air for the power turbine and high‑pressure turbine nozzles comes from in the same illustration. • Ask: which of the answer choices matches the exact wording in the box connected to the 8th stage bleed line on the left side of the drawing?

✅ Before You Answer

• Verify the label on the box at the end of the 8th Stage Bleed arrow (not the customer bleed) and match its wording to one of the options. • Confirm that any cooling/pressurizing air for the power turbine or its balance piston in the figure originates from a different compressor stage (e.g., 9th, 13th, or 16th). • Make sure you are not mixing up lube oil system components (sumps, air‑oil separator) with the turbine cooling passages shown on the right side of the engine.

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Question 1 of 20

On the marine gas turbine engine shown in the illustration, the 8th stage bleed air is used for which of the following? Illustration GT-0017

Lube oil sump pressurization and cooling

High-pressure turbine 2nd stage nozzle cooling

Power turbine balance piston cavity pressurization

Power turbine blade cooling

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Question 1 / 205eccef9fbacbc34ba4d46b56

Question 1 of 205eccef9fbacbc34ba4d46b56

On the marine gas turbine engine shown in the illustration, the 8th stage bleed air is used for which of the following? Illustration GT-0017

Back

Question 1 of 20

5eccef9fbacbc34ba4d46b56

On the marine gas turbine engine shown in the illustration, the 8th stage bleed air is used for which of the following? Illustration GT-0017

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