A.Polyphase
B.Wound-rotor
C.Induction
D.Synchronous
您可能感興趣的試卷
你可能感興趣的試題
A.kilowatts
B.ampere-turns
C.kilowatt-volts
D.kilovolt-amperes
A.neutralize armature reaction
B.conduct electric current to an outside circuit
C.convert DC current to AC current
D.provide excitation to a DC generator
A.Open the machine on both ends so as to allow the air and dust to escape
B.Be certain that the circuit breaker is opened and tagged on the feeder panel
C.Be certain that the air is clean and as dry as possible
D.All of the above
A.higher than that of copper
B.lower than that of copper
C.equal to that of copper
D.reached when the conductor it is protecting becomes "white hot"
A.low voltage battery
B.motor attenuator set
C.DC exciter generator
D.AC supply
最新試題
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
The main purpose of port State control is not to()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
Using a file without a handle may result in ()
Cold weather starting of a diesel engine may be made easier by()
Which of the following items don’t belong to dock repair works?()