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Multiple Choice

What action is typically taken when a measurement is out of tolerance during verification?

When a measurement is out of tolerance during verification, you stop and contain the item while you figure out what went wrong. Quarantining the item prevents potentially nonconforming work from moving further in the process or reaching customers. At the same time you perform a root-cause investigation to identify where the deviation came from—whether it’s the part, the instrument, the environment, or human error. Then you take corrective action to fix the underlying issue, which might involve repairing or replacing equipment, recalibrating it, updating procedures, or retraining staff. After addressing the root cause, you recheck to confirm the measurement is back within tolerance and the process is under control. Ignoring the result isn’t acceptable because it risks nonconforming product getting through. Replacing the instrument without investigating may mask the real cause. Recalibrating only the display and leaving the measurement unchanged won’t fix the actual accuracy of the measurement.

When a measurement is out of tolerance during verification, you stop and contain the item while you figure out what went wrong. Quarantining the item prevents potentially nonconforming work from moving further in the process or reaching customers. At the same time you perform a root-cause investigation to identify where the deviation came from—whether it’s the part, the instrument, the environment, or human error.

Then you take corrective action to fix the underlying issue, which might involve repairing or replacing equipment, recalibrating it, updating procedures, or retraining staff. After addressing the root cause, you recheck to confirm the measurement is back within tolerance and the process is under control.

Ignoring the result isn’t acceptable because it risks nonconforming product getting through. Replacing the instrument without investigating may mask the real cause. Recalibrating only the display and leaving the measurement unchanged won’t fix the actual accuracy of the measurement.