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
To proceed to the assistance of a ship in distress is（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
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（）
Using a file without a handle may result in （）
Which of the following items don’t belong to dock repair works?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
If separating effect is not good, which measure should be taken （）