Manufacturing And Production Technology
In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

Decreases continuously
Increases, becomes stable and then decreases
Increases continuously
Decreases becomes stable and then increases

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

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