FAA Aviation Mechanic - Airframe (AMA) Practice Questions - FAA Aviation Mechanic - Airframe Knowledge Test (AMA) Exam

What is the purpose of dimpling thin sheet metal before installing a flush (countersunk) rivet?

To increase the sheet thickness at the joint To remove the protective alclad coating To relieve internal stresses caused by drilling A flush-rivet recess without machine countersinking

Correct Answer:

A flush-rivet recess without machine countersinking

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