For an orthogonal cutting operation, tool material is HSS, rake angle is 22 , chip thickness is 0.8 mm, speed is 48 m/min and feed is 0.4 mm/rev. The shear plane angle (in degrees) is

For an orthogonal cutting operation, tool material is HSS, rake angle

1.	For an orthogonal cutting operation, tool material is HSS, rake angle is 22 , chip thickness is 0.8 mm, speed is 48 m/min and feed is 0.4 mm/rev. The shear plane angle (in degrees) is
A.	19.24
B.	29.70
C.	56.00
D.	68.75
Answer» C. 56.00

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For an orthogonal cutting operation, tool material is HSS, rake angle is 22 , chip thickness is 0.8 mm, speed is 48 m/min and feed is 0.4 mm/rev. The shear plane angle (in degrees) is

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