单项选择题X 纠错
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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单项选择题
A.exhaust
B.fuel oil
C.cooling water
D.cylinder liner
单项选择题
A.improperly seating intake valves
B.leaking cylinder liner seal rings
C.late fuel injection timing
D.carbon deposits on the piston
单项选择题
A.piston skirt
B.pinion
C.crosshead
D.compression rings
单项选择题
A.cylinder pressure
B.flame intensity
C.exhaust gas temperature
D.crankshaft axial alignment
单项选择题
A.decreased compression pressure
B.increased lube oil pressure
C.lower lube oil temperature
D.excessive leakage past the piston rings
单项选择题
A.dwell-tachometer
B.exhaust gas pyrometer
C.fuel flow rate mete
D.exhaust gas analyzer
单项选择题
A.worn or broken cylinder liner sealing rings
B.high cooling water temperature
C.worn or broken piston rings
D.low fuel oil pressure
单项选择题
A.pyrometer
B.bourdon gauge
C.pneumercator
D.manometer
单项选择题
A.a leaking fuel injector nozzle
B.a clogged air filter
C.excessively early fuel injection
D.malfunctioning valves
单项选择题
A.crankcase
B.piston
C.cylinder liner
D.crank cheek