A.decreased compression pressure
B.increased lube oil pressure
C.lower lube oil temperature
D.excessive leakage past the piston rings
您可能感兴趣的试卷
你可能感兴趣的试题
A.dwell-tachometer
B.exhaust gas pyrometer
C.fuel flow rate mete
D.exhaust gas analyzer
A.worn or broken cylinder liner sealing rings
B.high cooling water temperature
C.worn or broken piston rings
D.low fuel oil pressure
A.pyrometer
B.bourdon gauge
C.pneumercator
D.manometer
A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
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
A.poor cooling of cylinder walls
B.improper cooling of the piston
C.insufficient piston lubrication
D.all of the above
最新试题
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
The treatment of the fuel oils involves storage, heating, filtering and()
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 ()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
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.