A.a driver
B.a scraper
C.a tap
D.a file
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A.be treated according to the C-Es command exactly
B.be treated according to MARPOL
C.accumulate in bilges or on tank tops in accordance with MARPOL
D.discharge to sea at the specified areas
A.not be put into operation too early
B.be pay adequate attention to
C.be used only when necessary
D.be coated with certain material
A.arranged as close to each other as possible to save space
B.arranged far away from each other for convenient operation
C.be fixed or clamped to avoid vibration
D.kept easy removable as to convenient repairing work
A.stays at rest
B.is working stably
C.is worn out
D.is in good operation
A.be turned by a turning gear for at least one minute
B.be turned by a turning gear for at least two minutes
C.be turned at least one complete turn
D.be turned at least two complete turns
最新試題
The treatment of the fuel oils involves storage, heating, filtering and（）
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（）
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.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The main purpose of port State control is not to（）
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 Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）