For AWS D1.1 procedure qualification of a CJP groove weld, the minimum test plate thickness that qualifies unlimited production thickness is:

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Multiple choice — select the best answer

A1 in (25 mm)
B3/4 in (19 mm)
C1-1/2 in (38 mm)
D1/2 in (12.7 mm)

✓ Correct answer: A. 1 in (25 mm) Under AWS D1.1, a CJP groove weld PQR test plate of 1 in (25 mm) or greater qualifies the procedure for unlimited production thickness above 1 in.

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Topic: Codes & Standards

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For AWS D1.1 procedure qualification of a CJP groove weld, the minimum test plate thickness that qualifies unlimited production thickness is:

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