For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
A. 5 m/min
B. 10 m/min
C. 15 m/min
D. 30 m/min
Answer: Option D
Solution(By Examveda Team)
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is 22 m/min and for a mild steel is 30 m/minThis Question Belongs to Mechanical Engineering >> Manufacturing And Production Technology
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