All metallic engineering materials which are Â Â Â Â Â Â – McqOptions

MCQOPTIONS

1.	All metallic engineering materials which are Â Â Â Â Â Â Â Â Â Â Â can be friction welded.
A.	soft
B.	weldable
C.	forgeable
D.	metamaterials
Answer» D. metamaterials

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