On a GTAW torch, to change an electrode or adjust its stickout, the welder loosens the _____
a. electrode back cap
b. nozzle gasket
c. retaining cup
d. gas nozzle
a
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____ cast irons have low silicon content and are cooled rapidly.
A. Gray B. Red C. White D. Malleable
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Una técnica de voladura de roca para la mitigación, para romper piedras grandes y que involucra la perforación de la piedra es _____.
a. taqueo b. recubrimiento con lodo c. barrenado superficial d. voladura controlada
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These help hold the mechanics of a design in place
a. Adhesives and glues c. Wires and string b. Nails and staples d. None of the above
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Resistor starting is accomplished by connecting resistors in ____________________ with the motor during the starting period.
Fill in the blank(s) with the appropriate word(s).
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