The improved electron emission of the ____ allows it to carry approximately 20% more current than pure tungsten.
A) thoriated tungsten
B) cerium tungsten
C) zirconium tungsten
D) lanthanum tungsten
Correct Answer:
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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
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
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