In idealized chip formation, built-up edge will break off and remove some of the cutting tool materials, thereby reducing tool life. Which of the following steps prevent built-up edge? 1. Increasing cutting speed 2. Increasing feed rate 3. Increasing ambient workpiece temperature 4. Decreasing rake angle 5. Reducing friction. Select the correct answer using the code given below:

In idealized chip formation, built-up edge will break off and remove s

1.	In idealized chip formation, built-up edge will break off and remove some of the cutting tool materials, thereby reducing tool life. Which of the following steps prevent built-up edge? 1. Increasing cutting speed 2. Increasing feed rate 3. Increasing ambient workpiece temperature 4. Decreasing rake angle 5. Reducing friction. Select the correct answer using the code given below:
A.	1, 2 and 3
B.	2, 3 and 4
C.	1, 3 and 5
D.	2, 4 and 5
Answer» D. 2, 4 and 5

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