Q. According to ASTM E709-95 in using prods having a spacing of 19 mm (3/4 inches) and above, the magnetizing current shall be:

(A) From 90 to 110 A/25 mm (1 inch)
(B) From 100 to 125 A/25 mm (1 inch)
(C) From 90 to 120 A/ 25 mm (1 inch)
(D) From 100 to 200 A/25 mm (1 inch)

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✅ Correct Answer: (B) From 100 to 125 A/25 mm (1 inch)

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:19 pm in Non Destructive Testing and Evaluation

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