Automation System
Pressure sensors:

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

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Automation System
Numerical control:

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

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Automation System
One of the major benefits of using CAD in tool design is that:

there is better coordination in the materials-handling area
tool motions can be checked to see if there is interference between the tool and the object
None of these
product design represents approximately one-half the engineering costs
it simplifies the trial-and-error method

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Automation System
Straight-line operations:

can include diagonal cuts if they aren't curved
must be limited to two per workpiece
All of these
None of these
must be parallel to one of the axes of the coordinate system

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