A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
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A.Control panel
B.Load panel
C.Paralleling panel
D.Busbar
A.Busbar
B.Load panel of main generator
C.Paralleling panel
D.Shore connection box
A.Control panel of main generator
B.Control panel of emergency generator
C.Paralleling panel
D.Load panel of main generator
A.Suez Canal searchlight, air compressor and air conditioning compressor
B.Air compressor, boiler blower and refrigeration plant
C.Boiler blower, Suez Canal searchlight and refrigeration plant
D.Suez canal searchlight, air compressor and boiler blower
A.be switched off by the duty officer
B.be switched on by the duty officer
C.be switched off automatically
D.be switched on automatically
最新試題
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which of the following items don’t belong to dock repair works?（）
The shipboard oil pollution emergency plan will be invalid after （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）