Which among the following is a property of fusion welding not of soli

1.	Which among the following is a property of fusion welding not of solid state welding?
A.	Filler metal is added
B.	Heat is applied
C.	Used to join metals
D.	Nothing can differentiate them
Answer» B. Heat is applied

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Which among the following is a property of fusion welding not of solid state welding?

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