Si un circuito tiene un voltaje fuente de 120V y una corriente de 10A, la potencia es de _____W.
a. 12
b. 120
c. 1200
d. 2400
c. 1200
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Autotransformers are especially practical if the difference between the primary and secondary voltages is _____.
a. as great as possible b. relatively large c. within 15% of factory specifications d. relatively small
Several sections of the National Electrical Code® are concerned with motor controllers and remote control circuits. List two of the topics that are addressed in these sections.
What will be an ideal response?
The first response to a fire is to _____
a. lower the load b. secure the crane c. cease crane operation d. extinguish the fire
What is the purpose of a reheat coil when dehumidifying?
A) To prevent the air from freezing. B) To decrease the relative humidity by increasing the air temperature. C) To regenerate the evaporator coil. D) To dry the moisture out of the air.