¿Cuál de las siguientes opciones describe mejor una conexión de transformador con un extremo de cada bobina conectado a un punto común?

a. Delta cerrada
b. Y
c. Delta-X
d. Delta abierta


b. Y

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The ____ is a semiconductor whose resistance decreases with increasing temperature.

a. thermocouple b. thermistor c. resistance temperature detector (RTD) d. contactor

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Type AB blood contains

A) A agglutinins on the red blood cells. B) agglutinogen A and agglutinogen B. C) B agglutinogens on the red blood cells. D) B agglutinins in the plasma. E) agglutinin A and B.

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Whenever you’re checking for any kind of voltage (AC or DC), the meter must be connected in ____________________ to the circuit.

Fill in the blank(s) with the appropriate word(s).

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A typical evaporator temperature of a reach-in at a 0° box temperature is

a. -20° b. -10° c. 0° d. +10°

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