General Studies · Metal Cutting and Machine Tools
When machining a cast iron workpiece using a high-speed steel (HSS) tool, the recommended average cutting speed is approximately:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145 m/min
- 222 m/min✓
- 315 m/min
- 410 m/min
Correct answer
22 m/min
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