A.low TBN value
B.high alkaline reserve
C.low flash point
D.high pour point
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A.up and draw in a fresh air charge
B.down to burn off fuel
C.down to compress the fuel air charge
D.up and force out the exhaust gases
A.late fuel injection
B.early fuel injection
C.high exhaust temperature from that cylinder
D.decreased effective stroke from that injector
In a diesel engine, exhaust valves open before the intake ports are uncovered to （）
Ⅰ.reduce pumping losses
Ⅱ.reduce back pressure
A.Ⅰonly
B.Ⅱonly
C.bothⅠand Ⅱ
D.neitherⅠnor Ⅱ
A.Intake manifold
B.Water-cooled exhaust system
C.After-cooler
D.Exhaust diffuser
A.fuel will not be properly atomized in the cylinder
B.ignition will be delayed due to low ignition temperature
C.maximum fuel expansion will occur on the compression stroke
D.fuel will ignite before top dead center
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If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The shipboard oil pollution emergency plan will be invalid after （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The ISPS Code consists of a mandatory section-Part A, which shows（）
（） 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 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.