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| Q. |
Cogging, which is also called as drawing out, is basically? |
| A. | open die forging operation |
| B. | closed die forging operation |
| C. | impression dies forging operation |
| D. | hold die forging operation |
| Answer» A. open die forging operation | |
| Explanation: cogging is an open die forging process in which flat or slightly contoured die are employed to compress a work piece, reducing its thickness and increasing its length. | |
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