Automation System
A dc servo motor:

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

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Automation System
How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
None of these
the error is divided into discrete amounts
All of these
the error signal is summed over a discrete time interval and accumulated by the controller

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Automation System
The "walk-through" method of programming a robot involves:

walking through your suggested procedure with your supervisor prior to programming
physically moving the robot through all the motions it is to repeat
None of these
All of these
moving the robot from one location to another

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