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

[tth]

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

[whitcassie]

Answer to Question 1

c

Answer to Question 2

a

[tth]

Gracias!

[Jossy]

Thanks for the timely response, appreciate it