Automation System
Straight-line operations:

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

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Automation System
Digital signals:

have a sinusoidal shape.
can have three possible levels
have a frequency measured in units of hertz
are assigned values of 1 or 0 depending on the voltage level
None of these

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Automation System
What is the process lag?

None of these
The lag in the error signal when the setpoint is changed.
The time it takes for the mass of the process to respond to an input change.
The time it takes for the sensor to respond to a changed.
All of these

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