FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

A faint line running across the grain of a wood spar generally indicates?

Normal wear and tear

A manufacturing defect

Compression failure

A faint line running across the grain of a wood spar generally indicates compression failure. This indicates that the wood has been subjected to enough pressure that it has caused the fibers to break across the grain. This is a critical issue as it compromises the structural integrity of the wood spar. Options A, B, and D are incorrect because they do not accurately reflect the significance of a line running across the grain of a wood spar.

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The wood is of premier quality

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