Why are plug welds used on thin sections of metal?
A) Because the edge of the thin plate is easily melted away.
B) To make it easier to make overhead welds.
C) So that 100% root penetration welds can be made in all positions.
D) It is a way of saving filler metal.

Question

​Why are plug welds used on thin sections of metal?
A) ​Because the edge of the thin plate is easily melted away.
B) ​To make it easier to make overhead welds.
C) ​So that 100% root penetration welds can be made in all positions.
D) ​It is a way of saving filler metal.

Quizplus · Accepted Answer

Plug welds are used on thin sections of metal because the edge of the thin plate is easily melted away, making it difficult to achieve a strong weld without using a plug weld technique.

​Why Are Plug Welds Used on Thin Sections of Metal

Why Are Plug Welds Used on Thin Sections of Metal