Internet of Things (IoT) Practice Exam

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What physical change might a sensor in an industrial fan maintenance system detect?

Blade speed
Wind direction
Vibration
Power

The correct answer is: Vibration

In an industrial fan maintenance system, detecting vibration is crucial as it can indicate the health and performance of the fan. Excessive vibration can signal problems such as misalignment, imbalance, or wear in the bearings or other components. By monitoring vibration levels, maintenance teams can identify potential issues before they lead to failure, thus preventing costly downtime and repairs. While recognizing blade speed, wind direction, and power are valuable metrics for overall fan operation, they do not directly indicate mechanical issues that could compromise the fan's functionality. Vibration specifically correlates with the physical health of the machinery, making it an essential factor to monitor for proactive maintenance.