What is meant by the "phase angle" in an alternating current circuit?
What will be an ideal response?
the amount by which the current leads or lags the voltage
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Describe the applications of the differential amplifier.
What will be an ideal response?
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When the oil supply is above the oil burner pump, the pump and supply would normally be a ____.
A. single-stage pump, one pipe system B. single-stage pump, two pipe system C. two-stage pump, one pipe system D. two-stage pump, two pipe system
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Flow rates in open channels may be determined by Usinga
a. Parshall flume b. rectangular weir c. v-notch weir d. any of the above e. none of the above
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Beginning in 2013, which region in the United States will have the highest minimum AFUE rating?
A) The North B) The South C) The Southwest D) All regions share a minimum AFUE rating.
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