MCQOPTIONS
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| 1. |
The method of detecting dislocations by forming a visible precipitate along the dislocation lines is known as ____________ the small amount of impurity is intensely added to form the precipitate after heat treatment. |
| A. | decoration |
| B. | etching |
| C. | trimming |
| D. | dressing |
| Answer» B. etching | |