[Solved] In friction welding process, materials are joined by motion between materials.

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Q.	In friction welding process, materials are joined by motion between materials.
A.	rectilinear
B.	rubbing
C.	translatory
D.	brownian
Answer» B. rubbing
Explanation: friction welding is a solid-state joining process that produces coalescence in materials, using the heat developed between surfaces through a combination of mechanically induced rubbing motion and applied load. the resulting joint is of forged quality.

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