Fusion welding is ____.

Fusion welding is ____.

a. an autogeneous joining process
b. an homogeneous joining process
c. either autogeneous or homogeneous joining process
d. none of the above

Correct Answer : c. either autogeneous or homogeneous joining process

Explanation :

In fusion welding, the joining materials of both the joining metals are melted around the joint and a molten filler material is also added if only it is required. Therefore fusion is either autogeneous or homogeneous joining process.