單項(xiàng)選擇題

A bronze bearing liner with a lead-tin flashing has a milky-white color over most of its surface and some areas of exposed bronze, the white coloring indicates（）

A.proper break-in wear
B.improper break-in wear
C.relocation of the overlay flashing
D.water contamination of the lube oil system

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單項(xiàng)選擇題

If a diesel engine turned over freely but failed to start, the cause could be （）

A.water in the fuel
B.cold lube oil
C.excessive starting air pressure
D.excessive fuel pressure

單項(xiàng)選擇題

If it becomes necessary to cutout an individual cylinder of a large, low-speed, main propulsion diesel engine, the fuel to that cylinder should be secured and its （）

A.fuel pump should be removed and all connections blanked off
B.cylinder oil feed rate should be increased slightly above that used at normal sea speed
C.cylinder oil feed rate should be reduced
D.cylinder oil feed rate should be increased to the maximum flow capable of the metering pump

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A bronze bearing liner with a lead-tin flashing has a milky-white color over most of its surface and some areas of exposed bronze, the white coloring indicates（）

你可能感興趣的試題

If a diesel engine turned over freely but failed to start, the cause could be （）

If it becomes necessary to cutout an individual cylinder of a large, low-speed, main propulsion diesel engine, the fuel to that cylinder should be secured and its （）

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久