Which of the following is the most probable...

Question 1 / 205eccef9fbacbc34ba4d46b69

Question 1 of 205eccef9fbacbc34ba4d46b69

Which of the following is the most probable cause if, while underway, the main propulsion gas turbine air intake blow-in doors open?

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Question 1 of 20

5eccef9fbacbc34ba4d46b69

Which of the following is the most probable cause if, while underway, the main propulsion gas turbine air intake blow-in doors open?

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🔍 Key Concepts

• Gas turbine air intake system operation and purpose of blow‑in doors • Relationship between air inlet pressure and engine airflow demand • Effects of blockage, icing, or restriction in the air intake path

💭 Think About

• Think about what happens to pressure in the intake duct if the normal intake openings become partially blocked while the engine is still demanding the same amount of air. • Which condition would make it necessary to provide an alternate air path (via blow‑in doors) to protect the compressor from starvation or surge? • Consider which listed condition is most likely to be abnormal and hazardous for a gas turbine: higher inlet temperature, higher exhaust pressure, higher inlet pressure, or restricted intake due to ice.

✅ Before You Answer

• Verify what blow‑in doors are designed to do: do they protect against too high or too low inlet pressure at the compressor face? • Check which choice describes a situation where normal airflow is restricted into the engine. • Eliminate any options that would normally be managed by other systems (e.g., temperature control or exhaust backpressure control) rather than by opening blow‑in doors.

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Question 1 of 20

Which of the following is the most probable cause if, while underway, the main propulsion gas turbine air intake blow-in doors open?

Air inlet temperatures to the compressor are higher than normal.

Exhaust pressures are higher than normal.

Air inlet pressures to the compressor are higher than normal.

Ice has formed on the air intakes.

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Question 1 / 205eccef9fbacbc34ba4d46b69

Question 1 of 205eccef9fbacbc34ba4d46b69

Which of the following is the most probable cause if, while underway, the main propulsion gas turbine air intake blow-in doors open?

Back

Question 1 of 20

5eccef9fbacbc34ba4d46b69

Which of the following is the most probable cause if, while underway, the main propulsion gas turbine air intake blow-in doors open?

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