Automation System
Straight-line operations:

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

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Automation System
CAE and CAM are linked through:

NC tape programming and automated design
assembly automation and tool production.
None of these
a common data base and communications system
parts production and testing

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Automation System
The SKETCHPAD system

is used for interactive Graphics
is expensive because it is sophisticated and make demands on the power and resources of the computer.
All of these
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
None of these

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Automation System
Today, programmable controllers:

All of these
can be cost effective even when replacing just a few relays
are relatively low cost compared with the original digital equipment available for industrial control
None of these
are more powerful then the first controllers on the market

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