Shielding gases are used for all GMA and GTA welding and for some FCA welding processes.
Answer the following statement true (T) or false (F)
True
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When an electric arc occurs in air, gas molecules in the air ____.
A. become polarized B. become ionized C. form dimers D. start a chain reaction
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In an induction motor, the current flow in the rotor is produced by induced ____ from the rotating magnetic field of the stator.
a. magnetism b. force c. pressure d. voltage
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Fungus diseases attack the leaves, stems, or roots of a tree
Indicate whether the statement is true or false
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What is the most common blower motor design and location??
Fill in the blank(s) with the appropriate word(s).
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