Friction welding is Â Â Â Â Â Â Â Â Â Â Â proce – McqOptions

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1.	Friction welding is Â Â Â Â Â Â Â Â Â Â Â process.
A.	costly
B.	cost saving
C.	time consuming
D.	highly material selective
Answer» C. time consuming

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