Choose the letter of the correct answer.
Tack welds are used to hold pipe sections together in preparation for welding. Which of these statements is true about tack welding? (Obj. 20-3)
a. If filler rod is to be used for the root pass, filler rod should be used for the tack weld.
b. The beginning and end of the tack weld should be worn away with a drill or reamer.
c. The tack welds should all be on one side of the joint to provide joint flexibility during the root weld.
d. The torch should be withdrawn from the tack weld quickly to produce tack weld cracking.
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.