Automation System
What is offset error?

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

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Automation System
Numerical control:

None of these
applies only to milling machines
All of these
is a method for controlling the operation of a machine by means of a set of instructions
is a method for producing an exact number of parts per hour

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Automation System
Trend analysis:

is a brand new concept
is used only in financial planning
requires a very expensive system to implement
None of these
can improve control system response

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