If a flash weld nick break specimen has slag inclusions measuring 1/16" and 3/32" spaced 5/64" apart, what is the status of the specimen?

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Prepare for the API 1104 Welding of Pipelines and Related Facilities Exam. Use our comprehensive flashcards and multiple-choice questions. Each question comes with hints and explanations to enhance your studying experience. Ace your exam with confidence!

A flash weld nick break specimen that exhibits slag inclusions typically requires careful evaluation against specified acceptance criteria. In this case, the presence of slag inclusions measuring both 1/16" and 3/32" is significant because they are critical indicators of the weld quality.

The standard acceptance criteria often stipulate maximum allowable dimensions for any discontinuities, including slag inclusions. If the specifications explicitly dictate that any slag inclusions must not exceed a certain threshold, then both the size of the inclusions and their spacing become crucial. With the inclusions having dimensions of 1/16" and 3/32", these measurements exceed typical acceptable limits, as they can compromise the integrity of the weld joint.

In the context of this scenario, even though one might argue that the total size may not exceed larger accepted parameters, the individual measurements point toward a quality defect. The spacing, too, is a consideration; sufficiently close spacing can indicate a pattern that could lead to joint failure. Therefore, given that the inclusions are present and exceed the permissible criteria set forth in the standards, the specimen would be classified as rejectable due to non-conformance.

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