In the GTAW process, contamination left on the metal will be deposited in the weld because ____.
A) the low arc temperature does not vaporize it
B) the low amperage does not allow it to be burned off
C) tungsten contamination is a constant problem that cannot be eliminated
D) there is no flux to remove it
Correct Answer:
Verified
Q1: Exceeding the maximum gas flow rates _.
A)
Q2: _ is inexpensive and requires the least
Q3: An oxide layer on aluminum is _,
Q4: The _ possible gas flow rates and
Q6: With _, surface tension helps hold the
Q7: With _, lack of cleanliness may cause
Q8: Which of the following is a reason
Q9: Which of the following is true of
Q10: In GTA welding, the torch may be
Q11: Using a _ arc current setting with
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