单项选择题
Which is a function of the voltage regulators used with AC generators?（）
A.To cut out generators when they are no longer required
B.To cut in additional generators automatically as required
C.To divide the KW load equally between generators operating in parallel
D.To divide reactive current between generators operating in parallel
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相关考题
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单项选择题
The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）
A.capacitor in series with the load
B.inductor in series with the load
C.capacitor and inductor in series with the load
D.resistor in series with the load -
单项选择题
In a simple series circuit, the entire source voltage will drop across （）
A.the resistor next to the negative terminal
B.a short circuit
C.the resistor next to the positive terminal
D.an open circuit -
单项选择题
The division of kilowatt load between two paralleled alternators is determined by the （）
A.amount of field excitation of the leading machine
B.load-speed characteristics of the governors
C.amount of field excitation to the lagging machine
D.type of alternator
