Automation System
A Hall effect switch is usually used to:

sense a vacuum
None of these
measure voltage
measure temperature
sense the presence of a magnetic object.

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

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

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

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

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