A.Alternators
B.Wave guides
C.Exciters
D.Amplidynes
您可能感興趣的試卷
你可能感興趣的試題
A.quartered
B.unchanged
C.doubled
D.quadrupled
A.both generate alternating voltages
B.both rectify the voltage before delivery
C.are constructed at the same physical size for the same kilowatt rating
D.both supply three-phase power
A.increase the field excitation
B.decrease the field excitation
C.increase the number of magnetic poles
D.increase the speed of the prime mover
A.in series with the power source and load
B.in parallel with the power source and load
C.insuring correct polarity
D.using the lowest range possible to prevent instrument damage
A.main alternator field rheostat
B.exciter field rheostat
C.prime mover governor control
D.equalizing reactor
![](https://static.ppkao.com/ppmg/img/appqrcode.png)
最新試題
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Cold weather starting of a diesel engine may be made easier by()
The cetane rating of diesel fuel is an indication of the ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
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()
Which of the following items don’t belong to dock repair works?()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
To proceed to the assistance of a ship in distress is()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.