Automation System
Vision sensors:

None of these
will remain very costly
will more closely match the capabilities of the human eye
can not improve much in the next decade
All of these

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Automation System
What is offset error?

the difference between the sensor input and the absolute sensed parameter.
the difference between the controller output and the setting of the manipulated variable.
the difference between the control setpoint value and the actual value.
All of these
None of these

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Automation System
A sequence controller:

performs on/off control functions in relation to time.
None of these
is no longer in widespread use
is a mechanical only controller
is difficult to program

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