A.fuel must be preheated
B.intake air should be preheated
C.lube oil outlet temperature should be increased 20℃ above normal
D.none of the above
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A.carbon buildup in the exhaust manifold
B.overcooling of the exhaust manifold
C.eroded muffler baffle plates
D.high injection pressure
A.early fuel injection
B.excessive bearing play within the running gear
C.overloading of the cylinder
D.all of the above
A.injection lag
B.ignition delay
C.compression
D.turbulence lag
A.a spark plug
B.injectors
C.the heat of compression
D.increasing jacket water temperatures
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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（） is not installed on the main switchboar.
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 cetane rating of diesel fuel is an indication of the （）
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The shipboard oil pollution emergency plan will be invalid after （）
To proceed to the assistance of a ship in distress is（）
If separating effect is not good, which measure should be taken （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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