Automation System
For a type 0 system, the steady-state:

error for a velocity input is always zero
(a) and (c)
error for a step input is always zero
input for acceleration input is always non-zero
None of these

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Automation System
How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
the error signal is summed over a discrete time interval and accumulated by the controller
None of these
All of these
the error is divided into discrete amounts

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Automation System
The refresh-vector CRT uses which of the following techniques?

Creates images on the screen by scanning straight-line vectors between selected points.
The beam constantly travels across the screen to turn on/off a series of pixels.
None of these
Makes changes on the image by increasing the anode voltage.
Uses an electron gun to continuously flood the surface of the tube.

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