A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
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A.crankcase
B.piston
C.cylinder liner
D.crank cheek
A.discharge exhaust gases and smoke
B.furnish energy to the turbocharger
C.reduce engine room noise
D.all of the above
A.residual carbon deposits
B.lube oil viscosity breakdown
C.uneven heat expansion of the rings
D.uneven heat expansion of the piston
A.one-half engine speed
B.the same as engine speed
C.twice engine speed
D.four times engine speed
A.air intake
B.a fuel outlet
C.cooling water inlets
D.exhausting combustion gas
最新試題
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Diesel engine air start system check valves are opened by （）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
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
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the following items don’t belong to dock repair works?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The ISPS Code consists of a mandatory section-Part A, which shows（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）