Automation System
Straight-line operations:

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

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Automation System
How is the integral mode implemented on a digital controller?

the error is divided into discrete amounts
the digital controller cannot handle integral mode
the error signal is summed over a discrete time interval and accumulated by the controller
All of these
None of these

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Automation System
Stepping motors:

can run at varying speeds
can be built to index different amounts by changing the pole configuration
do not require commutators
can run both clockwise and counterclockwise
All of these

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