单项选择题
A faulty injection in one cylinder of an operating diesel engine can be located by （）
A.cutting out individual injectors and noting engine performance
B.checking lube oil temperature
C.checking cam position
D.using a timing light
点击查看答案&解析
相关考题
-
单项选择题
What harmful condition can result if a diesel engine is operated at very light loads for long periods of time?（）
A.increased carbon buildup
B.burning of intake valves
C.excessive firing pressures
D.increased fuel consumption -
单项选择题
Turbocharged four-stroke/cycle diesel engines utilize valve overlap for（）.
A.improving cylinder scavenging
B.preheating the combustion chamber
C.reducing air charge density
D.preventing valve wear -
单项选择题
Operating a propulsion diesel engine at less than 30% of designed normal load for prolonged periods will result in （）.
A.decreased fuel consumption per brake horsepower
B.more complete cylinder scavenging
C.extended valve life
D.carbon formation on combustion chamber surfaces
