A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor
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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
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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.
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 ISPS Code consists of a mandatory section-Part A, which shows()
Using a file without a handle may result in ()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
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()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
The main purpose of port State control is not to()