SC Boiler Installation Practice Questions - South Carolina Boiler Installation Contractor Examination Exam

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Which nondestructive-examination method is best matched to the stated purpose on a completed groove weld in carbon-steel steam pipe?

Liquid penetrant (PT) to find subsurface slag halfway through the wall Radiography (RT) or ultrasonic testing (UT) to evaluate internal fusion, penetration, and volumetric defects; magnetic-particle (MT) or PT for surface cracks Visual testing only, because Code steam pipe never requires volumetric exam Hydrostatic testing as a substitute for all NDE

Correct Answer:

Radiography (RT) or ultrasonic testing (UT) to evaluate internal fusion, penetration, and volumetric defects; magnetic-particle (MT) or PT for surface cracks

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