Automation System
An aneroid barometer

is very unreliable
can be used to measure gas or liquid flow rates
None of these
can measure only atmospheric pressure
measures pressure by sensing deflection of an evacuated chambers.

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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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Automation System
A dc servo motor:

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

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