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單項(xiàng)選擇題

Fuel oil contamination of an auxiliary diesel engine lube oil can result in（）

A.an increased flash point
B.higher lube oil pressures
C.an increased viscosity
D.lower lube oil pressures

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單項(xiàng)選擇題

When a fuel injection nozzle overheats, which of the problems listed can be expected?（）

A.The fuel metering will vary
B.The fuel will explode
C.The cylinder head will crack
D.The engine will stop

單項(xiàng)選擇題

Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）

A.Leaking fuel injectors
B.Lower than normal compression
C.Delayed fuel injection
D.All of the above are correct

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