____ can cause an arc to move during a weld.
A. Alternating current
B. Air currents
C. Uneven flux lines
D. Imperfections in the welding material
Answer: C
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A) Water hose B) Fire extinguisher C) Fire blanket D) None of these
In a right triangle if one of the acute angles is 37°, what is the measure of the other acute angle?
What will be an ideal response?
Why is a pressure regulator necessary when using nitrogen cylinders?
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Find the slope of the line that passes thru the points (2,1) and (8,5).
What will be an ideal response?