Excessive thrust bearing wear in a main...

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Question 1 of 205eccefa1bacbc34ba4d471a7

Excessive thrust bearing wear in a main propulsion turbine rotor should FIRST become apparent by __________.

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5eccefa1bacbc34ba4d471a7

Excessive thrust bearing wear in a main propulsion turbine rotor should FIRST become apparent by __________.

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🔍 Key Concepts

• Thrust bearing function in a main propulsion turbine and what it physically controls • Which condition would show up earliest and most subtly as wear starts, before serious damage occurs • Difference between direct evidence of rotor axial movement vs indirect symptoms like noise, vibration, or metal in oil

💭 Think About

• Ask yourself: What does a thrust bearing actually limit or control on a turbine rotor, and how could you directly measure that? • Which option describes something you can routinely monitor and trend over time, allowing you to catch wear early, instead of after clear damage has occurred? • For each choice, decide: is this an early, precise indicator of wear, or a late, secondary symptom after the problem has already gotten worse?

✅ Before You Answer

• Identify which choice gives quantitative information about rotor axial position rather than general symptoms • Consider normal engineering watch procedures: what is commonly logged to detect small changes in thrust bearing clearance or position? • Eliminate options that would likely appear only after significant wear, such as clear mechanical interference or contamination already present in the system

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Question 1 of 205eccefa1bacbc34ba4d471a7

Excessive thrust bearing wear in a main propulsion turbine rotor should FIRST become apparent by __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d471a7

Excessive thrust bearing wear in a main propulsion turbine rotor should FIRST become apparent by __________.

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