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) To help reduce the UV light that can cause skin burns
D) All of the above
Correct Answer:
Verified
Q2: Which of the following is true of
Q3: Which of the following is true of
Q4: DCEN concentrates about _ of its welding
Q5: With _, penetration and bead profile are
Q6: Which of the following is a way
Q7: The _ protects the molten weld pool,
Q8: Which of the following is true of
Q9: Adding _ has the same effect on
Q10: Which of the following is true of
Q11: DCEP concentrates _ of the arc heat
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