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
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()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
The treatment of the fuel oils involves storage, heating, filtering and()
Diesel engine air start system check valves are opened by ()
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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()