Engine General (Supplementary) USCG Question #1625 (Set 29)

While examining results of vibration analysis of a rotating piece of machinery, you find very high amplitude/displacement readings at a very high frequency at one measuring point. What would that indicate?

Official USCG Answer & Rule Citation

Correct Answer: Option B — Degradation of a ball or a roller bearing.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Degradation of a ball or a roller bearing..

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