A.over-speed trip
B.reverse power relay
C.back pressure trip
D.governor controls
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A.Impedance
B.Current
C.Resistance
D.Voltage
A.Frequency meter
B.Ammeter
C.Voltmeter
D.All of the above
A.thousandth (10 to the-3rd power)
B.millionth (10 to the-6th power)
C.billionth (10 to the-9th power)
D.trillionth (10 to the-12th power)
A.Current and voltage may be in phase
B.Current may lead the voltage
C.Current may lag the voltage
D.All of the above
A.directly as its length and inversely as its cross-sectional area
B.inversely as its length and directly as its cross-sectional area
C.directly as its length and directly as its cross-sectional area
D.inversely as its length and inversely as its cross-sectional area
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