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

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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

单项选择题

Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to （）

A.test the starting system
B.remove condensation from the cylinders
C.check the compression
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单项选择题

In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to （）

A.turn the flywheel
B.reduce friction
C.overcome inertia
D.ignite the fuel