Automation System
What is offset error?

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

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Automation System
Pressure sensors:

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

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