单项选择题

A diesel engine may fail to start due to （）

A.low air charge temperature
B.high cranking speed
C.excessive fuel dilution of lube oil
D.high compression pressure

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单项选择题

A diesel engine fails to start due to excessive water in the fuelBefore the engine can be started, the water should be removed from the（）

A.fuel lines
B.lube oil filter
C.crank case pump
D.rocker arm reservoir

单项选择题

A diesel engine fails to start because of water in the fuelIn order to start the engine, you should （）?

A.turn engine with jacking gear
B.drain filters and strainers and bleed off water at each injection pump
C.use ether to start the engine with blow-down valves open
D.blow through the cylinders and fuel lines with a drying agent

单项选择题

As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?（）

A.Compression ratio
B.Fuel/Air ratio
C.Compression pressure
D.Lube oil pressure