Q. According to AST M E709-95 and API, after removing magnetization of parts after examination, the residual magnetism shall not exceed (1 gauss = 0.0001 tesla):

(A) 3 × 10-4T (3gauss)
(B) 4 × 10-4T (4 gauss)
(C) 6 × 10-4T (6gauss)
(D) 8 × 10-4T (8 gauss)

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✅ Correct Answer: (A) 3 × 10-4T (3gauss)

Published by Mr. Dubey ⭐ 104.85K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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