Which of the following is a common cause of a concave root surface?
A) Insufficient filler metal
B) Insufficient heat
C) Poor shielding
D) Contamination of the weld surface

Name: Which of the following is a common cause of a concave root surface? A) Insufficient filler metal B) Insufficient heat C) Poor shielding D) Contamination of the weld surface
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Question

Quizplus · Accepted Answer

Insufficient filler metal can cause a concave root surface because it does not fill the joint properly, leaving a gap that can cause the weld to collapse.

Which of the Following Is a Common Cause of a Concave