The optimum cutting speed is one which should have: 1. High metal removal rate 2. High cutting tool life 3. Balance the metal removal rate and cutting tool life.

The optimum cutting speed is one which should have:

1.	The optimum cutting speed is one which should have: 1. High metal removal rate 2. High cutting tool life 3. Balance the metal removal rate and cutting tool life.
A.	2 and 3
B.	1 and 2 only
C.	2 and 3 only
D.	3 only
Answer» E.

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The optimum cutting speed is one which should have: 1. High metal removal rate 2. High cutting tool life 3. Balance the metal removal rate and cutting tool life.

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