For the GE LM2500 gas turbine engine shown...

Question 1 / 2066636eed28f7522a1c51e0d7

Question 1 of 2066636eed28f7522a1c51e0d7

For the GE LM2500 gas turbine engine shown in the illustration, the HP turbine 1st stage nozzle vanes are cooled by which of the following? Illustration GT-0020

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Question 1 of 20

66636eed28f7522a1c51e0d7

For the GE LM2500 gas turbine engine shown in the illustration, the HP turbine 1st stage nozzle vanes are cooled by which of the following? Illustration GT-0020

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🔍 Key Concepts

• Study how compressor bleed air is routed to different parts of the turbine in the LM2500 diagram. • Notice which bleed line is specifically labeled for cooling, not customer bleed or thrust balance. • Focus on the path that goes toward the HP turbine 1st stage nozzle area (just ahead of the first HP turbine rotor).

💭 Think About

• Trace each labeled bleed (9th, 13th, 16th stage) from the compressor section and see where its arrows terminate near the turbine section. • Ask yourself: which stage bleed line is drawn and colored to supply air directly around the first set of stationary nozzles in the HP turbine? • Eliminate any bleed lines that are clearly marked for other purposes, such as sump pressurization, customer bleed, or high-pressure recoup.

✅ Before You Answer

• Confirm which label in the illustration explicitly combines the words stage and cooling leading toward the HP turbine area. • Verify that the bleed you choose is not only near the turbine but is clearly marked for cooling, not for frame venting or thrust balance. • Double-check that the line you select originates from the correct compressor stage number that matches one of the answer choices.

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Question 1 of 20

For the GE LM2500 gas turbine engine shown in the illustration, the HP turbine 1st stage nozzle vanes are cooled by which of the following? Illustration GT-0020

8th stage compressor air

9th stage compressor air

13th stage compressor air

16th stage compressor air

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Question 1 / 2066636eed28f7522a1c51e0d7

Question 1 of 2066636eed28f7522a1c51e0d7

For the GE LM2500 gas turbine engine shown in the illustration, the HP turbine 1st stage nozzle vanes are cooled by which of the following? Illustration GT-0020

Back

Question 1 of 20

66636eed28f7522a1c51e0d7

For the GE LM2500 gas turbine engine shown in the illustration, the HP turbine 1st stage nozzle vanes are cooled by which of the following? Illustration GT-0020

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