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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) |
Answer» B. From 100 to 125 A/25 mm (1 inch) |
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