单项选择题
A.excessive piston to liner clearance B.excessive dirt beneath the piston crown that reduces heat transfer C.faulty nozzle spray D.all of the above
Fuel oil contamination of an auxiliary diesel engine lu...
单项选择题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
When a fuel injection nozzle overheats, which of the pr...
单项选择题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
Which of the following conditions could be a cause of e...
单项选择题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
