Automation System
Which item best describes a CAM technology?

Numerical control
Documentation
None of these
Drafting
Geometric modeling

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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 is divided into discrete amounts
None of these
the error signal is summed over a discrete time interval and accumulated by the controller
All of these

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Automation System
A dc servo motor:

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

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