question_answer

Consider the following criteria in evaluation machinability:

1. Surface finish

2. Type of chips

3. Tool life

4. Power consumption

In modern high speed CNC machining with coated carbide took, the correct sequence of these criteria in decreasing order of their importance is:

A) 1, 2, 4, 3                      

B) 2, 1, 4, 3

C) 1, 2, 3, 4                      

D) 2, 1, 3, 4