A.making the repair list, booking spare parts and special tools for the dock repair
B.shutting off all of the S.W valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock
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A.the highest
B.above 3/4
C.1/2 -3/4
D.the lowest
A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
A.seal water supply be cut off
B.make up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oily water is too much
When does auxiliary burner of incinerator put into operation? （）
Ⅰ. start incinerator when it is cold
Ⅱ. the sludge for dealing with is little
Ⅲ. the sludge for dealing with is large
Ⅳ. the water and impurity in sludge are too much
Ⅴ. the temperature in incinerator is low
Ⅵ. dealing with little solid rubbish
A.Ⅰ+Ⅱ+Ⅲ+Ⅴ
B.Ⅰ+Ⅱ+Ⅲ+Ⅳ
C.Ⅰ+Ⅳ+Ⅴ+Ⅵ
D.Ⅰ+Ⅱ+Ⅲ+Ⅵ
A.working at intervals and properly heating
B.warming up to 70℃, increase water supply flow
C.improving impulse of water supply
D.reducing water supply flow
最新試題
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Under MARPOL Code the ship to which it applies has to carry （）
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.
The condensers located in various stages of a flash evaporator are cooled by（）
Which of the following items don’t belong to dock repair works?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.