Author Question: For the root pass on pipe in the 2G position, the gun should be at a 10- to 15-degree _____. a. ... (Read 21 times)

dollx · **on:** Jul 24, 2018

For the root pass on pipe in the 2G position, the gun should be at a 10- to 15-degree _____.

a. pass angle
b. work angle
c. push angle
d. drag angle

Question 2

After a root pass has been applied, any excess buildup or undercut should be removed by _____.

a. increasing the amperage of the welder during the hot pass
b. grinding the face of the root pass with the edge of a grinding disk
c. grinding away narrow strips of material with a cutoff wheel
d. carefully heating and cutting away the excess with a torch