Automation System
The linking of PCs with a communi-cations system is referred to as:

None of these
workstations
turnkey systems
networking
streaming

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Automation System
What is offset error?

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

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Automation System
What is the difference between integral and derivative control?

All of these
derivative control does not eliminate offset error
integral control has slower response to an error signal.
None of these
derivative control responds to a change in the rate of change in the error signal

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