For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

For machining a mild steel workpiece by a high speed steel tool, the

1.	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» E.

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For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

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