McqMate
| Q. |
In inertia friction welding energy of welding machine is used. |
| A. | electrical |
| B. | potential |
| C. | rotational |
| D. | frictional |
| Answer» C. rotational | |
| Explanation: inertia friction welding is a variation of friction welding in which the energy required to make the weld is supplied primarily by the stored rotational kinetic energy of the welding machine. | |
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