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
During the power stroke of a four-stroke/cycle diesel e...
单项选择题During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）
A.piston skirt B.pinion C.crosshead D.compression rings
A pyrometer is an instrument commonly used to measure（）...
单项选择题A pyrometer is an instrument commonly used to measure（）
A.cylinder pressure B.flame intensity C.exhaust gas temperature D.crankshaft axial alignment
Worn main bearings in a diesel engine can result in （）A...
单项选择题Worn main bearings in a diesel engine can result in （）
A.decreased compression pressure B.increased lube oil pressure C.lower lube oil temperature D.excessive leakage past the piston rings
