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單項(xiàng)選擇題

What type of rotor is used in split-phase motors?（）

A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

The first requirement for logical troubleshooting of any system is the ability to （）.

A.collect all available data on a casualty
B.recognize normal operation
C.identify the probable cause of a symptom
D.isolate the faulty component

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