_____________is not a final control element?
Correct answer: B. Potentiometer
- A. Control valve
- B. Potentiometer
- C. Electropneumatic converter
- D. Servomotor
Explanation
A final control element applies the controller output to the process, as a valve, servomotor, or electropneumatic converter does. A potentiometer generally measures or produces a position/error signal rather than actuating the process.
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