Manufacturing And Production Technology
A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

170
240
120
180

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Manufacturing And Production Technology
The facing is an operation of

Reducing the diameter of a workpiece over a very narrow surface
Beveling the extreme end of a workpiece
Machining the ends of a workpiece to produce a flat surface square with the axis
Embossing a diamond shaped pattern on the surface of a workpiece

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

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

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