PIE VMBO KB Practice Questions - Netherlands VMBO KB Produceren, Installeren En Energie - Centraal Schriftelijk En Praktisch Examen (CSPE) Exam

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A machinist needs to turn a steel rod with a diameter (d) of 50 mm on a lathe. The recommended cutting speed (v_c) for this steel is 31.4 m/min. What spindle speed (n) in RPM should be selected? (Use formula n = (v_c * 1000) / (pi * d))

100 RPM 200 RPM 500 RPM 1000 RPM

Correct Answer:

200 RPM

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