A.low water in the expansion tank
B.improperly seated valves
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings
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A.exhaust
B.fuel oil
C.cooling water
D.cylinder liner
A.improperly seating intake valves
B.leaking cylinder liner seal rings
C.late fuel injection timing
D.carbon deposits on the piston
A.piston skirt
B.pinion
C.crosshead
D.compression rings
A.cylinder pressure
B.flame intensity
C.exhaust gas temperature
D.crankshaft axial alignment
A.decreased compression pressure
B.increased lube oil pressure
C.lower lube oil temperature
D.excessive leakage past the piston rings
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
最新试题
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