Automation System
For a type 1 system, the steady-state:

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

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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.
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.
The beam constantly travels across the screen to turn on/off a series of pixels.

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