Automation System
For a type 2 system, the steady-state:

All of these
input for acceleration input is always non-zero
error for a step input is always zero
error for a velocity input is always zero
None of these

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Automation System
Pressure sensors:

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

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