A.open the generator circuit breaker
B.switch the voltage regulator to “manual”
C.decrease the field excitation to minimum
D.reduce the load on the unit
您可能感興趣的試卷
你可能感興趣的試題
A.manual position
B.bus neutral position
C.raise voltage position
D.transfer position
A.prevent the windings from becoming brittle
B.prevent moisture from condensing in the windings during shutdown
C.prevent acidic pitting of the slip rings
D.keep the lube oil warm for quick starting
A.generate its own electrical power
B.transform electrical energy into mechanical energy
C.increase or decrease circuit voltage as required
D.convert AC current to DC current
A.Glass
B.Bakelite
C.Soft iron
D.Aluminum
A.current flow in a circuit
B.voltage between two points in a circuit
C.circuit continuity
D.power
最新試題
Flame failure in an automatically fired auxiliary boiler can from a/an ()
The cetane rating of diesel fuel is an indication of the ()
If separating effect is not good, which measure should be taken ()
Which of the following items don’t belong to dock repair works?()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
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 shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()