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API Welding Inspection and Metallurgy Exam API-577 Question # 28 Topic 3 Discussion

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API Welding Inspection and Metallurgy Exam API-577 Question # 28 Topic 3 Discussion

API-577 Exam Topic 3 Question 28 Discussion:
Question #: 28
Topic #: 3

Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?
A.

Selenium 75

B.

Cobalt 60

C.

Iridium 192

D.

X-ray machine

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Actual exam question for API API-577 exam by Vega63333 at Aug 2, 2025, 12:00:00 AM

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