Automation System
Most current PC CAD systems are used for producing:

finite element analysis
circuit simulation
solids modeling
2-D drawings
None of these

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Automation System
A dc servo motor:

All of these
uses a variable dc voltage for speed control
None of these
uses a tachometer for speed feedback
can provide precise position control

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

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

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