A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor
您可能感興趣的試卷
你可能感興趣的試題
A.load limit settings
B.idle speed settings
C.speed limit settings
D.speed droop settings
A.collect all available data on a casualty
B.recognize normal operation
C.identify the probable cause of a symptom
D.isolate the faulty component
A.magnetic amplifier
B.ship’s service alternator
C.three-wire DC generator
D.saturable core reactor
A.draw a one line diagram of the circuitry
B.test all fuses and measure the line voltage
C.take megger readings
D.insulate the apparatus from ground
A.melts and must be replaced
B.is enclosed in a tube of insulating material with metal ferrules at each end
C.gives no visual indication of having opened the circuit
D.trips to break the circuit and may be reset
最新試題
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
Which of the following items don’t belong to dock repair works?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
The shipboard oil pollution emergency plan will be invalid after ()
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
() is not installed on the main switchboar.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
If separating effect is not good, which measure should be taken ()