Automation System
Actuators are used to:

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

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Automation System
Most industrial control applications:

can be solved using more than one method of control
can be done more reliably using solid-state methods
None of these
All of these
must have the process specified correctly to be successful

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Automation System
Sensors:

will be much smarter and more sophisticated in the future
probably will not improve over the next decade
are not important in automation
are easily developed
None of these

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