In Autogeneous joining process ___.

In Autogeneous joining process ___.

a. filler material which is used to provide the joint is same as the parent material used
b. filler material which is used to provide the joint is different from the parent material used
c. no filler material is used
d. none of the above

Correct Answer : c. no filler material is used

Explanation :

Autogeneous joining does not include filler material. If the filler material is same as of the parent material then it is called as homogeneous joining and if the filler material is different from the parent material then the joining is called as heterogeneous joining