Which of the following is a cause of contamination of the back side of the molten weld pool?
A) Failure to remove the root edge
B) Insufficient heat, insufficient filler metal
C) Overheating, poor cleaning procedures
D) Excessive root reinforcement

Question

Quizplus · Accepted Answer

Overheating and poor cleaning procedures can cause contamination on the back side of the molten weld pool, leading to defects in the weld. Failure to remove the root edge can affect the quality of the root pass, while insufficient heat or insufficient filler metal can result in incomplete fusion. Excessive root reinforcement can lead to partial penetration and lack of fusion in the root pass.

Which of the Following Is a Cause of Contamination of the Back