Automation System
Pressure sensors:

use the piezoresistive effect in strain gauge sensors
use an aneroid chamber with a variable resistance output
None of these
All of these
use capacitive variations to sense pressure

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Automation System
Numerical control:

is a method for controlling the operation of a machine by means of a set of instructions
All of these
is a method for producing an exact number of parts per hour
None of these
applies only to milling machines

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

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

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