Automation System
What is offset error?

the difference between the control setpoint value and the actual value.
All of these
the difference between the sensor input and the absolute sensed parameter.
None of these
the difference between the controller output and the setting of the manipulated variable.

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Automation System
Pressure sensors:

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

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