Which of the following is an inert gas?
A) Hydrogen
B) Oxygen
C) Nitrogen
D) Helium
Correct Answer:
Verified
Q13: _ electrodes have a current-carrying capacity similar
Q14: AC concentrates about _ of its welding
Q15: Which of the following is true of
Q16: Tungsten with the highest level of lanthanum
Q17: Tungsten electrodes that contain elements such as
Q19: _ results in welds with deep penetration,
Q20: In GTAW, the arc temperature is around
Q21: The squarewave provides the welder with a
Q22: Flowmeters measure the flow rate of a
Q23: When the shielding gas flow rate is
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