Los fusibles de un elemento tienen una velocidad de respuesta _____ ante condiciones de sobrecorriente
a. baja
b. media
c. ligeramente superior a la media
d. muy alta
d. muy alta
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A vapor retarder is necessary when _____.
a. ductwork passes through unconditioned spaces b. only in conditioned spaces c. only in cold climates d. when ducts are used for both cooling and heating
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Brass and steel have a different rate of expansion and contraction when heated or cooled.
Answer the following statement true (T) or false (F)
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_____ catfish have deeply forked tails and a distinct bluish silver body color; they may grow to 50 pounds or more
a. Flathead b. Blue c. Channel d. Silver
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Analog signals from sensors are changed to digital signals for processing by the computer through which type of circuit?
A) Analog B) PROM C) AD converter D) Digital
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