During an operation of a main propulsion gas...

Question 1 / 270705eccef9fbacbc34ba4d46b70

Question 1 of 270705eccef9fbacbc34ba4d46b70

During an operation of a main propulsion gas turbine, the engine shuts down. Which of the following is the most probable reason for the shutdown?

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Question 1 of 27070

During an operation of a main propulsion gas turbine, the engine shuts down. Which of the following is the most probable reason for the shutdown?

🔍 Key Concepts

• Gas turbine protection and automatic shutdown systems • Typical consequences of high vibration in rotating machinery • Which operating conditions usually cause an immediate automatic trip vs. an alarm first

💭 Think About

• Think about which of these conditions is most likely to cause serious mechanical damage in just a few seconds if the unit keeps running. • Ask yourself which conditions are often allowed to continue under alarm to give the engineer time to respond, rather than forcing an automatic shutdown. • Consider which sensor, when it reaches its trip limit, is designed specifically to protect against catastrophic rotor or bearing failure.

✅ Before You Answer

• Identify which of the listed conditions would most directly threaten rotor integrity or bearing damage almost instantly. • Distinguish between a condition that usually triggers alarm first, then possible manual shutdown, versus one that typically causes an automatic trip. • Verify in your training materials how the gas turbine protective system ranks vibration, temperature, and level faults in terms of trip priority.

Question 1 of 27070

During an operation of a main propulsion gas turbine, the engine shuts down. Which of the following is the most probable reason for the shutdown?

High lube oil temperature.

Low sump oil level.

Low fuel supply temperature.

High vibration on the gas generator.

Question 1 / 270705eccef9fbacbc34ba4d46b70

Question 1 of 270705eccef9fbacbc34ba4d46b70

During an operation of a main propulsion gas turbine, the engine shuts down. Which of the following is the most probable reason for the shutdown?

Back

Question 1 of 27070

During an operation of a main propulsion gas turbine, the engine shuts down. Which of the following is the most probable reason for the shutdown?