A.by which
B.to which
C.in which
D.at which
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A.inside；associated
B.inside；not associated
C.outside；associated
D.outside；not associated
A.fuel-air ratio
B.compression ratio
C.fuel rack
D.viscosity index
A.boiler
B.main engine
C.auxiliary engine
D.incinerator
A.flash；fresh air
B.wash；fresh water
C.flush；compressed air
D.rush；diesel oil
A.has learnt
B.have learnt
C.learn
D.are learning
最新試題
If separating effect is not good, which measure should be taken （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
The condensers located in various stages of a flash evaporator are cooled by（）
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.
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
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 treatment of the fuel oils involves storage, heating, filtering and（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）