單項選擇題

Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）

A.Water discharging from the water outlet of the lube oil purifier
B.Fuel oil discharging from the water outlet of the lube oil purifier
C.Lube oil discharging from the water outlet of the lube oil purifier
D.A change in the lube oil viscosity

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單項選擇題

If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an （）

A.excessively late injection timing for each cylinder
B.incorrectly adjusted intake valve timing
C.incorrectly adjusted fuel injector
D.incorrectly adjusted intake valve clearance

單項選擇題

Which of the diesel engine cylinder liners listed has internal cooling water passages?（）

A.Internally finned liner
B.Externally finned liner
C.Wet liner
D.Integral water-jacket liner

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Which of the following conditions indicates the dilution of diesel engine lube oil by fuel oil?（）

你可能感興趣的試題

If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an （）

Which of the diesel engine cylinder liners listed has internal cooling water passages?（）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精