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A.phase angle
B.frequency
C.wave form
D.half mode
A.vibration
B.watertight integrity
C.speed droop
D.reactive power
A.frequency meter
B.voltage regulator
C.governor control
D.sychroscope switch
A.rheostat
B.governor
C.exciter
D.capacitor
A.current in the circuit
B.voltage in the circuit
C.inductance in the circuit
D.resistance in the circuit
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Using a file without a handle may result in （）
The cetane rating of diesel fuel is an indication of the （）
The main purpose of port State control is not to（）
（） is not installed on the main switchboar.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the following items don’t belong to dock repair works?（）