In cases where a surfacing weld is to be performed over another weld, a welding symbol with a ____ line may be used.
A) multiple extension
B) multiple reference
C) multiple dimension
D) reference

Question

Quizplus · Accepted Answer

A multiple reference line is used in welding symbols to indicate additional layers or passes, such as when surfacing welds are performed over existing welds.

In Cases Where a Surfacing Weld Is to Be Performed