轮机英语题库翻译·海大版
注 绝大多数现代柴油机，通常都采用压力润滑系统向主轴承和连杆轴承供油。D
87. Main engines as well as auxiliary engines operating on heavy fuel should have
continuous ____ on the lubricating oil, either according to the bypass or batch principles.
A.filtering B.centrifuging C.depositing D.operating
注 主机还有辅机在用重油运行时，按照旁通循环或分批处理原则，应对滑油不断地离心分离。
88.For a main diesel engine the lube oil in the bearings is drawn from ____,usually
located in the bedplate.
A.a gravity tank(重力柜) B.a sump C.a vessel D.a bottle
注 对于主机，主轴承的滑油（机油、曲柄箱油）从油底壳吸入，油底壳往往位于机座底下。B
89.Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by
____.
A.intemal crankshaft passages B.immersion(沉浸)in oil C.splash lubrication D.inject,ion lubrication 注 在船用柴油机中，一般通过曲轴内部的油槽向曲柄销轴承供油。A
90.The main element of the cylinder wear is of a______. A.friction nature B.Corrosive nature C.Melt nature
D.Neutralizing nature
注 气缸磨损的主要因素是自然腐蚀 B
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轮机英语题库翻译·海大版
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