What is the last step in the shaker adequacy checking process?

The last step in the shaker adequacy checking process is to check the pan weight. This step is crucial because it ensures that the shaker is calibrated correctly and that it can effectively separate the materials without any bias caused by the weight of the shaker itself or the clutter that might be left from previous tests. By confirming the pan weight, inspectors can ensure that all measurements taken thereafter are accurate and reliable.

Assessing the pan weight helps confirm that any weight discrepancies can be accounted for, which is vital for achieving consistent results in aggregate testing. This measure provides a foundation for validating that the shaker is working within its intended parameters, thereby ensuring the integrity of the entire testing process. Ensuring the shaker's adequacy through proper pan weight measurement ultimately supports accurate evaluation and classification of aggregate materials.

The process does include several critical steps that occur before this one, leading up to an accurate assessment; however, checking the pan weight serves as a final validation tool for the entire shaker setup.