The purpose of a ____ line is to be able to readily identify to which side of a joint the welding symbol applies.

Question

Quizplus · Accepted Answer

The dual reference line is used in welding symbols to indicate that the welding applies to both sides of the workpiece. It is also used to indicate which side of the joint the welding symbol applies to. This is important information for welders to ensure they are interpreting the symbol correctly and performing the weld in the appropriate location. The other answer choices (B, C, and D) do not accurately describe the purpose of the reference line in welding symbols.

The Purpose of a ____ Line Is to Be Able