Author Question: Feathering the ends of the tack welds with a grinder helps to _____. a. ensure the root pass has ... (Read 21 times)

tth · **on:** Jul 24, 2018

Feathering the ends of the tack welds with a grinder helps to _____.

a. ensure the root pass has the proper root reinforcement
b. limit the joint penetration of the root pass
c. fuse the root pass into the tack weld
d. transition the root pass into the cap pass

Question 2

When setting up the welding equipment for GMAW on aluminum pipe, turn the welding machine on and
_____.

a. purge the gun per manufacturer instructions
b. set the voltage to the maximum setting
c. discharge any remaining water from the hoses
d. disable the current-slope adjustment