What are the three types of three-phase generators?
What will be an ideal response?
Squirrel cage induction generator, wound rotor induction generator, synchronous (constant speed) generator.
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It is possible for alternators and generators to both use ____ to change the AC to DC for welding.
A. coupling B. resistance C. diodes D. valves
Static electricity results when an electric charge builds up ____
a. through the use of magnets b. through the use of a semiconductor c. within a battery d. as two insulators are rubbed together
?How can tungsten be conserved if it accidentally becomes contaminated?
A. ?Break off only the smallest possible piece of the contaminated tungsten. B. ?Strike an arc on a scrap piece of stainless steal and burn off the contamination. C. ?As long as you can keep an arc you can continue welding without stopping to clean the tip. D. ?Carefully grind off the contamination.
Crack repair of an acrylic nail is performed using:
What will be an ideal response?