Automation System
The main function(s) of computer in CAD is/are

All of these
To relieve the designer from routine repetitious tasks.
To enhance the analytical and logical power of the designer
None of these
To serve as an extension to the memory of the designer

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Automation System
What is the process lag?

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

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Automation System
What is offset error?

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

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