Consider the following statements with respect to the relief angle of cutting tool: 1. This affects the direction of chip flow. 2. This reduces excessive friction between the tool and workpiece 3. This affects tool life 4. This allows better access of coolant at the tool-workpiece interface Which of the statements given above are correct?

Consider the following statements with respect to the relief angle of

1.	Consider the following statements with respect to the relief angle of cutting tool: 1. This affects the direction of chip flow. 2. This reduces excessive friction between the tool and workpiece 3. This affects tool life 4. This allows better access of coolant at the tool-workpiece interface Which of the statements given above are correct?
A.	1 and 2
B.	2 and 3
C.	2 and 4
D.	3 and 4
Answer» C. 2 and 4

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