Oxygen present in the welding zone can exist as part of a compound such as iron oxide or ____.
A. acetylene
B. carbon dioxide
C. acetaldehyde
D. argon-oxygen
Answer: B
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With a self-excited direct generator mounted on the rotor shaft, the amount of excitation current is adjusted by controlling the ____________________ of the generator.
Fill in the blank(s) with the appropriate word(s).
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Compute the volume of a sphere in cubic inches with a diameter of 6.40 inches rounded to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).
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List two open protocols
What will be an ideal response?
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Uninsured costs for occupational injuries or deaths include _____
a. pensions for dependents b. compensation for lost earnings c. cost to train replacement workers d. medical treatment
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