Automation System
The main activity(ies) of Designer in CAD is/are:

Control of the design process in information distribution.
Application of creativity, ingenuity, and experience.
Organisation of design information
All of these
None of these

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Automation System
A dc servo motor:

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

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