When a weld pass is made to deposit a backing weld behind the root pass, it is termed:

When a weld pass is made to deposit a backing weld behind the root pass, it is termed:

When a weld pass is made to deposit a backing weld behind the root pass, it is termed:



a. a backing pass
b. the axis of the weld
c. boxing
d. the lead angle
e. the plug weld





Answer: A


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