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Q. |
Which of the following defect is also known as fish tailing? |
A. | surface cracking |
B. | pipe defect |
C. | tearing |
D. | internal cracking |
Answer» B. pipe defect | |
Explanation: in extrusion, the pipe defect is also termed as “tail pipe”, and “fish tailing”. it occurs during hot extrusion due to the presence of impurities and oxides. |
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