Electrical Troubleshooting Quiz - March 7, 2017 mariusz_prusaczyk/iStock/Thinkstock

Electrical Troubleshooting Quiz - March 7, 2017

A mechanical alteration or a time-delay in the monitor should end the “ghost” alarms.

An important production line has vibration monitoring sensors at various points. When vibration exceeds the preset limit, the monitoring system sends a text message to the area’s maintenance supervisor. Yet when he sends a technician out to investigate with a handheld vibration tester, nobody has ever found anything wrong.

The mechanical supervisor suggested performing alignment checks on all of the equipment and also using some angle iron to reinforce the motor pedestals. All

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