A.series with a circuit
B.parallel with a circuit
C.series-parallel with a circuit
D.delta with the shunt
您可能感興趣的試卷
你可能感興趣的試題
A.develop torque
B.generate high voltages
C.produce a magnetic field
D.generate high electrical resistance
A.connected load
B.prime mover speed
C.field excitation
D.generators rated voltage
A.doubled
B.quadrupled
C.unchanged
D.cut in half
A.voltage regulator
B.reverse power relay
C.reverse current relay
D.governor control switch
A.field excitation of both units is adjusted
B.governors of both units are adjusted
C.phase sequence is altered
D.kilowatt load is evenly divided
最新試題
Cold weather starting of a diesel engine may be made easier by()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
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
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
The shipboard oil pollution emergency plan will be invalid after ()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()