A.for the release of air from the cooling water
B.providing expansion room for heated cooling water
C.a place for implementing water and water treatment agent
D.all of the above
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A.1/2
B.1
C.2
D.3
A.non-synchronous electric motor
B.synchronous electric motor
C.fully enclosed electric motor
D.watertight electric motor
A.an increase in the exhaust temperature of the affected cylinder
B.the turbocharger may surge
C.the explosion pressure in all cylinders will rise violently
D.smoke from the turbocharger air inlet filter will be seen
A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
A.15 liters nautical mile
B.30 liters nautical mile
C.60 liters nautical mile
D.100 liters nautical mile
最新試題
The condensers located in various stages of a flash evaporator are cooled by（）
The main purpose of port State control is not to（）
Which of the following items don’t belong to dock repair works?（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The treatment of the fuel oils involves storage, heating, filtering and（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
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 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.