Automation System
The rectangular boundary around a specific area on the display is called

a conic section
a window
a view plane
a view point
None of these

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

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

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Automation System
A sequence controller:

performs on/off control functions in relation to time.
is no longer in widespread use
None of these
is a mechanical only controller
is difficult to program

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