Engine General (Supplementary) USCG Question #1187 (Set 22)

The lathe tools shown as figure "M" in the illustration are commonly known as __________. GS-0090

USCG Exam Illustration GS-0090
USCG Examination Diagram: Illustration GS-0090
Official USCG Answer & Rule Citation

Correct Answer: Option A — form tools

Form tools are precision-ground to a specific profile that matches the desired contour of the finished part. By feeding the tool directly into the workpiece, the lathe replicates the tool's shape onto the metal, making them ideal for producing repetitive, complex shapes like radii, grooves, or decorative profiles.

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