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| Q. |
Which of the following is not true about friction welding? |
| A. | dissimilar metals cannot be joined |
| B. | this technique is relatively faster as compared to the other techniques |
| C. | this technique is suitable for any parts of shape or size |
| D. | sheared surfaces can also be joined by the process |
| Answer» A. dissimilar metals cannot be joined | |
| Explanation: following are the few advantages of friction welding over other techniques: | |
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