單項選擇題

Before being shut down, a diesel engine should idle a few minutes in orderto （）

A.prevent governor surging at shutdown
B.make sure the fuel nozzles are flushed clean
C.prevent pressure buildup in the fuel lines
D.prevent damage from localized overheating

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單項選擇題

The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）

A.stop the combustion air supply
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the day tank

單項選擇題

Cylinder linings constructed as an integral part of the block, are characterized by which of the following disadvantages?（）

A.They conduct heat poorly
B.They are expensive
C.They cannot be replaced
D.They require special tools for removal