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

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Manufacturing And Production Technology
In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to

Circular interpolation in clockwise direction and incremental dimension
Circular interpolation in clockwise direction and absolute dimension
Circular interpolation in counter clockwise direction and incremental dimension
Circular interpolation in counter clockwise direction and absolute dimension

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Manufacturing And Production Technology
Which of the following statement is correct for oblique cutting system?

The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool
All of these
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
Frequently, more than one cutting edges are in action

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