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| Q. |
Which of the following is true about the extrusion process? |
| A. | structure is homogeneous |
| B. | no time is lost in changing the shape |
| C. | service life of extrusion tool is too high |
| D. | its leading end is in good shape as compared to rolling |
| Answer» B. no time is lost in changing the shape | |
| Explanation: no time is lost in changing the shape as the dies may be readily removed in the process of extrusion. | |
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