A.one automatic drain serving both containers
B.two air starting containers of approximately equal size
C.one control air container and one starting air container
D.one additional means of starting the main engine
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A.prevent heat corrosion to internal components
B.increase fuel delivery rate and economy
C.prevent pre-ignition
D.avoid carbonization of the nozzle tips
A.loss of suction in the circulating pump
B.leak in the primary cooling system
C.broken raw water pump shaft
D.burned or cracked piston in one cylinder
A.avoid using liquid-cooled nozzles whenever possible
B.avoid low cooling water temperatures
C.avoid prolonged overloading of the engine
D.make certain the gasket seal between the nozzle and cylinder head is tight
A.centrifugal force rotates the ball-head
B.flyweight centrifugal force is balanced by spring force
C.flyweight centrifugal force is balanced by hydraulic pressure
D.speeder spring alone actuates the fuel control rod
A.too light of a load
B.injection timing is too early
C.overloading of the engine
D.too low of a compression ratio
最新試題
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.