单项选择题X 纠错
A.tension load twice each crankshaft revolution
B.compression load during power and compression strokes
C.inertia load once every four crankshaft revolutions
D.bending loads at bottom and top dead center
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单项选择题
A.cooling water leaving each cylinder
B.fuel oil entering the injector
C.exhaust gases at various locations
D.lube oil at the bearing supplies
单项选择题
A.low water in the expansion tank
B.improperly seated valves
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings
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