Disk sander mode eliminates circular marks left by the spinning disk.

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Prepare for the NOCTI Cabinetmaking Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Disk sander mode eliminates circular marks left by the spinning disk.

Explanation:
Random orbit mode prevents circular marks by moving the sanding pad in two ways: it spins, and it also follows a slightly irregular, off-center orbit. This combination means the surface isn’t scratched along one fixed circle, so the previous circular pattern is broken up and the marks are dispersed, giving a smoother, less ringed finish. If the disk kept a fixed circular motion, or if it stayed in a true circular or linear path, the scratches would align as concentric circles or straight lines, making the marks more visible.

Random orbit mode prevents circular marks by moving the sanding pad in two ways: it spins, and it also follows a slightly irregular, off-center orbit. This combination means the surface isn’t scratched along one fixed circle, so the previous circular pattern is broken up and the marks are dispersed, giving a smoother, less ringed finish. If the disk kept a fixed circular motion, or if it stayed in a true circular or linear path, the scratches would align as concentric circles or straight lines, making the marks more visible.

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