A.decreased
B.increased
C.fixed
D.closed
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A.the bearing near to the diesel engine
B.the intermediate bearing near to the thrust bearing
C.the intermediate bearing near to the sterntube
D.the bearing located at the middle of the diesel engine and the sterntube
In the shafting management （） should be paid more attention.
Ⅰ.f the while metal tailshaft bearing is dripping oil
Ⅱ.f some area become blue during the running
Ⅲ.he deformation of crankshaft
A.Ⅰ
B.Ⅱ
C.Ⅲ
D.Ⅱ+Ⅲ
A.the rotate speed fluctuation
B.the ventilation tube clogged
C.the main engine accelerate so fast
D.stormy waves
A.dropping lube oil for lubrication, reducing the pollution to the sea
B.setting a temporary gravity oil tank and enhanced the position properly
C.lubricating with the used lube oil
D.lubricating with the fresh water and navigation in a lower speed
A.adjusting the position of the intermediate bearing
B.changing the position of the main engine installation
C.adjusting the center line of the propeller
D.changing the position of the thrust block
最新試題
Using a file without a handle may result in （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly 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.
If separating effect is not good, which measure should be taken （）
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
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）