Arizona Drivers License Practice Test

What is the purpose of a valve positioner in a control loop?

To replace the controller To send a signal back to the transmitter To ensure the valve position exactly matches the output signal from the controller To provide backup power to the actuator

Correct Answer:

To ensure the valve position exactly matches the output signal from the controller

Explanation:

A positioner measures the actual position of the valve stem and adjusts the actuator pressure to ensure it matches the controller's requested position.

Access more questions from this quiz

Continue to Arizona Drivers License Practice Test for more practice questions and the full quiz experience.

Access More Questions