Automation System
Actuators are used to:

make a mechanical movement
sense an object
All of these
None of these
activate a chemical

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Automation System
A stepping motor;

has a commutator
is a good choice where continuous rotation is needed
has a speed proportional to voltage input
can index positional movement.
None of these

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Automation System
A process controller:

can interface to digital and analog I/O
None of these
can solve a PID process control equation easily
is useful in a continuous process control application
All of these

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Automation System
Straight-line operations:

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

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