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

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Manufacturing And Production Technology
The strength of a brazed joint

Decreases with increase in gap between the two joining surfaces
Decreases up to certain gap between the two joining surfaces beyond which it increases
Increases up to certain gap between the two joining surfaces beyond which it decreases
Increases with increase in gap between the two joining surfaces

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