When welding using the GTAW process, which of the following best describes the appearance of a transverse crack on a radiograph?
A feathery line of longitudinal orientation located at the center of the weld image.
Elongated lines of darker density, irregular in width, and slightly winding in the lengthwise direction.
A feathery, twisted line of darker density running across the width of the weld.
An irregular darker line near the center of the width of the weld image along the edge of the root pass image.
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