Manufacturing And Production Technology
While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is

Independent of speed and index change gear ratio
Dependent on speed change gear ratio
Interrelated to index change gear ratio
Independent of index change gear ratio

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

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

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