Author Question: When tack welding coupons together, heavy-wall or large-diameter pipe may require _____. a. a ... (Read 24 times)

Mimi · **on:** Jul 24, 2018

When tack welding coupons together, heavy-wall or large-diameter pipe may require _____.

a. a full root pass without tacks
b. double layers of tacks
c. many very short tacks
d. longer tacks

Question 2

When running passes (other than the root) on open-root V-groove pipe welds in the 2G position, use stringer
beads and a slight circular or side-to-side motion to ensure fusion at the _____.

a. face of the weld bead
b. toes of the weld bead
c. root of the weld bead
d. leg of the weld bead