As much as ____ can be added to the argon to increase the power in the arc without affecting the desirable qualities of the spray mode.
A) 10% oxygen
B) 20% nitrogen
C) 50% carbon dioxide
D) 80% helium
Correct Answer:
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Q1: When the GMAW-S process is properly tuned,
Q2: MAG is short for _.
A) metal arc
Q3: The purpose of the _ is to
Q4: The shielding gas used on carbon steel
Q5: Which of the following is true of
Q7: In the pulsed-arc metal transfer current cycle,
Q8: In the pulsed-arc metal transfer current cycle,
Q9: _ is a series of ridges cut
Q10: GMA welding machines have _ duty cycle.
A)
Q11: Which of the following is true of
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