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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) |
Answer» A. 3 × 10-4T (3gauss) |
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