Ace the Ontario Operator-in-Training (OIT) Exam 2025 – Dive Into Success and Drive Your Future!

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What determines if a valve should open or close in a feedback loop system?

The pressure of water in the system

The electronic signal from the controller

In a feedback loop system, the electronic signal from the controller is crucial as it governs the operation of the valve based on the system's performance and setpoints. The controller continuously monitors various parameters, such as pressure, temperature, or flow rate, and when a deviation from the desired setpoint is detected, it sends an electronic signal to the valve actuator. This signal instructs the valve to either open or close, enabling the system to maintain stability and efficiency.

This function ensures that the desired conditions are met within the system, allowing for real-time adjustments that keep operations safe and effective. While other options like water pressure, flow rate, or type of fluid can influence the system's behavior, ultimately, it is the electronic signal that directly dictates the valve’s action in response to changes or disturbances in the system.

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The initial flow rate of the water

The type of fluid being transported

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