Automation System
What is the process lag?

None of these
The lag in the error signal when the setpoint is changed.
All of these
The time it takes for the sensor to respond to a changed.
The time it takes for the mass of the process to respond to an input change.

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Automation System
The SKETCHPAD system

None of these
is expensive because it is sophisticated and make demands on the power and resources of the computer.
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
is used for interactive Graphics
All of these

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Automation System
What is offset error?

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

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