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The welding process in which no filler metal is used is classified as ___________

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The welding process in which no filler metal is used is classified as ___________

(a) Autogenous

(b) Homogeneous

(c) Heterogeneous

(d) Fusion

I got this question during an online exam.

The origin of the question is Welding topic in chapter Metallurgy of Welding, Brazing and Soldering of Engineering Material & Metallurgy

1 Answer

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Best answer
Correct answer is (a) Autogenous

The best explanation: Welding is basically classified into fusion and plastic types. The plastic type of welding is further classified as autogenous, homogeneous, and heterogeneous. In the autogenous process, no filler metal is used, whereas the other two processes involve usage of filler metal.

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