A.Fuel oil
B.Wood
C.Celluloid
D.Electrical insulation
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A.removing the heat
B.removing the oxygen
C.removing the fuel
D.interrupting the chain reaction
A.diesel oil
B.magnesium
C.dunnage
D.electrical insulation
A.bedding
B.pipe insulation
C.paint
D.a generator
A.engine room bilges
B.main switchboard
C.paint locker
D.rag bin
A.only if fixed containment is not used
B.only if portable containment is not used
C.only if fixed containment drains are open
D.whenever the vessel is being bunkered
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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 main purpose of port State control is not to（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Diesel engine air start system check valves are opened by （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the following items don’t belong to dock repair works?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The cetane rating of diesel fuel is an indication of the （）
To proceed to the assistance of a ship in distress is（）
Cold weather starting of a diesel engine may be made easier by（）