A key hole can be used ____.
A) only on wide joints
B) on joints with wide, narrow, or varying root gaps
C) only on narrow joints
D) only on joints with a varying root gap
Correct Answer:
Verified
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Q10: Which of the following statements is true
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Q12: The _ fuses the two parts together
Q14: What are backup tapes made from?
A) Carbon
B)
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Q16: Leaving a backing strip on a weld
Q17: As the trailing angle of an electrode
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