Si la frecuencia de un circuito de CA es de 15 ciclos en 1/4 de segundo, el valor en hertzios del circuito es:
a. 15Hz.
b. 30Hz.
c. 60Hz.
d. 120Hz.
c. 60Hz.
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____ light is bounced off of leaves
a. Red c. Blue b. Yellow-green d. Purple
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If the first character of the VIN is an "S," where was the vehicle made?
A) Canada B) United States C) Mexico D) England
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When removing a cutting tip, if the tip is stuck in the torch head, tap the side of the tip with a plastic hammer.
Answer the following statement true (T) or false (F)
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____ heating is used for drying operations, food warming, and medical purposes.
A. Resistance B. Arc C. Induction D. Infrared
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