The backing strip should be ____ longer than the base plates to serve as startup and runoff tabs for the weld.
A) 1 inch
B) 2 inches
C) 3 inches
D) 4 inches

Question

Quizplus · Accepted Answer

The backing strip should be 2 inches longer than the base plates to serve as startup and runoff tabs for the weld. This allows for proper fusion of the weld with the base plates and prevents defects such as lack of penetration or incomplete fusion at the start and end of the weld.

The Backing Strip Should Be ____ Longer Than the Base