A statistical measure used to quantify the reliability and accuracy of sizing defects or anomalies detected in a material or structure. PCAA statistical measure used to quantify the reliability and accuracy of sizing defects or anomalies detected in a material or structure. PCA is calculated as the… is calculated as the probability that the size of a defectA flaw, anomaly, or imperfection in a pipeline that could compromise its integrity, safety, or performance. Defects can vary in nature, size, and severity and c… detected by a non-destructive testingRefers to a range of techniques and methods used to assess the integrity, quality, and properties of materials, components, or structures without causing damage… method falls within a certain range of values.