A.centrifuging
B.pressurizing
C.atomization
D.igniting
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A.no oxygen is needed
B.oxygen is necessary
C.oxygen is given off
D.no gas is produced
A.in the presence of oxygen
B.without oxygen
C.in the presence of nutrition
D.without nutrition
A.the bacteria
B.oxygen
C.oxidizing function
D.agitation function
A.oxygenating
B.oxidizing
C.deoxygenating
D.proportioning
A.any requirement appointed by the Officer
B.the most suitable requirement
C.the most stringent requirement
D.no requirement
最新試題
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.
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
To proceed to the assistance of a ship in distress is（）
The treatment of the fuel oils involves storage, heating, filtering and（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The main purpose of port State control is not to（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）