Automation System
Which of the following may be classified as an automation system?

All of these
None of these
numerically controlled machine tools
automated warehouses
robotics

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Automation System
What is proportional control?

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

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Automation System
Straight-line operations:

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

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