A.the recommended current and voltage rating
B.higher current and voltage rating
C.higher current and lower voltage rating
D.lower current and higher voltage rating
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A.prime mover governor
B.exciter generator
C.voltage regulator
D.reverse power relay
A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor
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
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Under MARPOL Code the ship to which it applies has to carry （）
Which of the following items don’t belong to dock repair works?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
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（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
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?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.