What are backup tapes made from?
A) Carbon
B) The same metal as the test plates
C) High-temperature carbon strips
D) High-temperature ceramics
Correct Answer:
Verified
Q9: How much of the plate surface next
Q10: Which of the following statements is true
Q11: What are some of the defects that
Q12: The _ fuses the two parts together
Q13: A key hole can be used _.
A)
Q15: When would higher amperage and short arc
Q16: Leaving a backing strip on a weld
Q17: As the trailing angle of an electrode
Q18: To keep a molten weld pool from
Q19: Wagon tracks are _.
A) discontinuities resulting from
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