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

120
240
180
170

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Manufacturing And Production Technology
In oblique cutting of metals, the cutting edge of the tool is

Parallel to the direction of tool travel
Perpendicular to the direction of tool travel
Inclined at an angle less than 90° to the direction of tool travel
Perpendicular to the workpiece

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