The sine wave that has the same frequency as the periodic waveform is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
fundamental frequency
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Flat sheet metal is mainly used as _____.
a. one of the primary lagging covers on walls b. a backing to stabilize insulation against the lagging sheet c. lagging for roofs d. flashing
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Of the 400 settlers who managed to make it to Virginia, only 60 survived the "starving time" winter of
A. 1601-1602. B. 1609-1610. C. 1621-1622. D. 1634-1635. E. 1645-1646.
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A steel fish tape should be used when pulling conductors through an installed conduit system and into an energized loadcenter.
a. True b. False
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400 series stainless steel is magnetic
Indicate whether the statement is true or false
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