Manufacturing And Production Technology
Which of the following statement is incorrect with reference of lathe cutting tools?

The heel is that part of the tool which is shaped to produce the cutting edges and face
The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
The base is that surface of the shank which bears against the support and takes tangent pressure of the cut

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Manufacturing And Production Technology
The effect of setting a boring tool above center height leads to

Increase in the effective rake angle and a decrease in the effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle
Increase in both effective rake angle and effective clearance angle
Decrease in both effective rake angle and effective clearance angle

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