Automation System
Most industrial control applications:

All of these
can be solved using more than one method of control
must have the process specified correctly to be successful
can be done more reliably using solid-state methods
None of these

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Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

there should be a common 3-D part description system.
the system must make provision for new techniques.
None of these
the user must have access to both hardware and software
technical assistance must be provided to the user.

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Automation System
A dc servo motor:

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

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