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Q. |
Subjecting the part to a magnetic field that is constantly reversing in polarity and gradually diminishing in strength accomplishes which of the following: |
A. | Magnetises the part |
B. | Removes residual field from the part |
C. | Soaks in the flux density |
D. | Helps find deep lying defects |
Answer» B. Removes residual field from the part |
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