Understanding API ICP653 Reading 15-Worksheet-11a
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QW-191.1 Radiographic Examination<br />
QW-191.1.1 Method. The radiographic examination<br />
in QW-142 for welders and in QW-143 for welding operators<br />
shall meet the requirements of Article 2, Section V,<br />
except as follows:<br />
(a) a written radiographic examination procedure is not<br />
required. Demonstration of density and image quality<br />
requirements on production or technique radiographs shall<br />
be considered satisfactory evidence of compliance with<br />
Article 2 of Section V<br />
(b) final acceptance of radiographs shall be based on<br />
the ability to see the prescribed image and the specified<br />
hole of a hole-type image quality indicator (IQI) or the<br />
designated wire of a wire-type IQI. The acceptance standards<br />
of QW-191.1.2 shall be met.<br />
Charlie Chong/ Fion Zhang
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