5. ____________________ causes the current to surge back and forth between alternators operating in parallel.
Fill in the blank(s) with the appropriate word(s).
Hunting
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Most ORVR systems use a(n) ________ that creates an aspiration effect, which helps to capture the gas fumes during re-fueling
A) Small fan B) Reduced-size filler tube C) Vacuum pump D) Oversized filler hose
If a 15 ?H inductor has a 2.2 K? reactance, the frequency equals ________
A) 23.3 kHz B) 4.28 kHz C) 23.3 MHz D) 4.28 MHz
A square wave voltage varies between 0 V and 12 V. The positive pulses are 75 ?s wide and there is a 25 ?s gap between them. What is the DC average of the waveform?
A. 3 V B. 4 V C. 6 V D. 9 V
A rectangular 45° duct is 7 inches wide. The radius of the throat is 5 inches. What is the arc length of the throat to the nearer 16th inch?
Fill in the blank(s) with the appropriate word(s).