_____ are pockets of material within a weld that are not metal.?
?
A. Flux?
B. Slag?
C. Nonmetallic inclusions?
D. Residual silicon?
Answer: B
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The cut-off ratio is nearest:
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A) 1.69
B) 1.77
C) 1.84
D) 2.01
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What will be an ideal response?
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What will be an ideal response?