单项选择题
A.the recommended current and voltage rating B.higher current and voltage rating C.higher current and lower voltage rating D.lower current and higher voltage rating
A constant output voltage from an AC generator is maint...
单项选择题A constant output voltage from an AC generator is maintained by the （）.
A.prime mover governor B.exciter generator C.voltage regulator D.reverse power relay
What type of rotor is used in split-phase motors?（）A.Dr...
单项选择题What type of rotor is used in split-phase motors?（）
A.Dram B.Salient pole C.Squirrel-cage D.Wound-rotor
The load sharing characteristics of two diesel generato...
单项选择题The load sharing characteristics of two diesel generator operating in parallel are mostly dependent on their governor （）.
A.load limit settings B.idle speed settings C.speed limit settings D.speed droop settings
