CWI Part C D1.1 practice test

CWI Part C D1.1 · Question 1 of 2561:22

Inspection

What is an image quality indicator (IQI) used for in radiographic testing?

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Measuring the size of each indicationShowing the radiograph is sensitive enoughMarking which welder made the weldSetting the exposure time needed for the film

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Every question is original and written to American Welding Society's published content outline, and every explanation cites the code section or source it relies on. Expert-reviewed: every question was checked by a CWI with 15 years in structural welding (Oct 20, 2026).