Automation System
What is offset error?

All of these
the difference between the sensor input and the absolute sensed parameter.
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.

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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
None of these
derivative control responds to a change in the rate of change in the error signal
integral control has slower response to an error signal.

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Automation System
Resolution in a CRT refers to:

the number of phosphor dots that react when hit by the electron beam
the number of pixels in each square centimeter
None of these
the number of addressable elements on the tube
the speed at which the monitor can accept data from the computer

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