Los autotransformadores son en especial prácticos si la diferencia entre los voltajes primario y secundario:
a. es lo más grande posible.
b. es relativamente grande.
c. no difiere más del 15 % de las especificaciones de fábrica.
d. relativamente pequeña.
d. relativamente pequeña.
You might also like to view...
?Desiccant dryers utilize ____ to remove moisture from the air in order to speed the drying process.
A. ?hopper dryers B. ?chemicals C. ?heat lamps D. ?blow dryers
Concrete cures to its maximum strength, under normal conditions, in about _____.
a. 7 days b. 14 days c. 21 days d. 28 days
A(n) __________ is a cutaway view that allows you to see the inside of a building.
a. floor plan b. elevation drawing c. sectional drawing d. detail drawing
The ability to measure AC current is useful when diagnosing ________
A) Starter motor operation B) Alternator function C) Resistance in a battery cable D) None of these