In GMAW welding, AC is used for ____________________ metals like aluminum. DC current is used
for ____________________ metals like steel and cast iron.
Fill in the blank(s) with the appropriate word(s).
ANS: nonferrous, ferrous
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Give the name of the primary professional organization concerned with rangelands and range management
What will be an ideal response?
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Wire and cable material is often crosslinked by electron beam irradiation. Why is this material crosslinked?
What will be an ideal response?
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For long-term cutting of materials containing cadmium or mercury, always wear an approved _____
a. supplied air respirator b. metal-fume filter c. HEPA-rated filter d. standard respirator
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If you were to measure the amount of current flowing in a circuit, you would use a(n) ____.
A. voltmeter B. ammeter C. ohmmeter D. oscilloscope
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