Automation System
One of the major benefits of using CAD in tool design is that:

product design represents approximately one-half the engineering costs
tool motions can be checked to see if there is interference between the tool and the object
it simplifies the trial-and-error method
there is better coordination in the materials-handling area
None of these

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Automation System
Straight-line operations:

can include diagonal cuts if they aren't curved
must be limited to two per workpiece
must be parallel to one of the axes of the coordinate system
None of these
All of these

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Automation System
What is proportional control?

All of these
The controller output varies continuously over a range
The gain is independent of offset error.
None of these
It has a discrete output for each error value

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