Automation System
Computer-based controllers:

None of these
(a) and (c) above
should be built in a modular fashion wherever possible
are very flexible
are very difficult to change

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Automation System
What is offset error?

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

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Automation System
CAE and CAM are linked through:

NC tape programming and automated design
None of these
assembly automation and tool production.
a common data base and communications system
parts production and testing

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