FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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What does acoustic emission monitoring pick up during composite inspections?

Only external damage

Only internal damage

The 'noise' of corrosion or other deterioration occurring

Acoustic emission monitoring picks up the 'noise' of corrosion or other deterioration occurring during composite inspections. This technique detects the sound waves produced by the structure as it is subjected to stress, such as from corrosion or internal damage. It is a valuable tool in identifying early signs of damage that may not be visible externally, helping maintenance technicians proactively address potential issues before they escalate.

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Vibrations from the environment

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