Why is an inert shielding gas required for GTA welding?
A) To keep the air away from the hot tungsten and molten weld metal.
B) To help remove the welding fumes to make it easier to see the weld pool.
C) It helps to reduce the UV light that can cause skin burns.
D) All of the above
Correct Answer:
Verified
Q23: When the shielding gas flow rate is
Q35: Why does the return water on a
Q36: What material should shielding gas hoses be
Q37: The improved electron emission of the _
Q38: The squarewave provides the welder with a
Q38: The _ directs the shielding gas directly
Q40: _ is relatively easy to ionize and
Q41: _ is a by-product of the natural
Q41: What is the most likely explanation for
Q44: Argon and helium are _ gases, which
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents