If the distances "A" and/or "B" as shown in the illustration are excessively increased, the tool will __________. GS-0085

Correct Answer: Option C — chatter

Excessive tool overhang (distances A and B) reduces the rigidity of the setup. When the tool is extended too far from the tool post, the lack of support causes the tool to vibrate or deflect under cutting forces, resulting in a characteristic rhythmic vibration known as chatter on the workpiece.