Automation System
Pressure sensors:

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

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

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

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Automation System
CAE and CAM are linked through:

parts production and testing
NC tape programming and automated design
a common data base and communications system
None of these
assembly automation and tool production.

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