Which of the following statements is true...

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Question 1 of 205eccef9fbacbc34ba4d46b8b

Which of the following statements is true concerning the fuel oil ignition system of the gas turbine engine shown in the illustration? Illustration GT-0017

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Question 1 of 20

5eccef9fbacbc34ba4d46b8b

Which of the following statements is true concerning the fuel oil ignition system of the gas turbine engine shown in the illustration? Illustration GT-0017

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🔍 Key Concepts

• Normal gas turbine start sequence (what happens to the igniters once the flame is established?) • Difference between gas generator (compressor/HP turbine) speed and power turbine speed • Role of exhaust gas temperature (EGT) in protection vs. in normal ignition control

💭 Think About

• From the illustration, which rotor (gas generator or power turbine) is directly involved with establishing and maintaining combustion? • In normal operation, would it be safe or necessary to keep the igniters firing all the time, or only until combustion is self‑sustaining? • Is EGT usually used to turn igniters on and off, or mainly to prevent over‑temperature conditions during start and operation?

✅ Before You Answer

• Eliminate any choice that implies the igniters are on continuously during normal operation. • Decide which shaft speed is used as the primary reference for start/ignition control in a two‑spool marine gas turbine. • Confirm that EGT is a limiting/protection parameter, not the usual control for energizing the igniters in a normal start.

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Question 1 of 205eccef9fbacbc34ba4d46b8b

Which of the following statements is true concerning the fuel oil ignition system of the gas turbine engine shown in the illustration? Illustration GT-0017

Back

Question 1 of 20

5eccef9fbacbc34ba4d46b8b

Which of the following statements is true concerning the fuel oil ignition system of the gas turbine engine shown in the illustration? 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?

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