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?
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
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
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.