On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).A.a spindle lubricatorB.an oil jetC.internal splashingD.drilled passages in the crankshaft

题目

On a medium-speed main propulsion diesel engine, the crank-pin or crank journalbearings receive lubricating oil from( ).

A.a spindle lubricator

B.an oil jet

C.internal splashing

D.drilled passages in the crankshaft

相似考题

1.The air crash was caused by the (). Thus, he should take all responsibility for that.A、crewB、pilotC、staffD、engine

2.You want to start monitoring statistics on the distribution of storage engines that are being used and the average sizes of tables in the various databases.Some details are as follows:The Mysql instance has 400 databases. Each database on an average consists of 25-50 tables. You use the query:SELECT TABLE_SCHEMA, ‘ENGINE‘, COUNT (*), SUM(data_length) total_size FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE= ‘BASE TABLE‘ GROUP BY TABLE_SCHEMA, ‘ENGINE‘ ;Why is this query slow to execute?（）A.Collecting information requires large numbers of locks on various INFORMATION_SCHEMA tablesB.Aggregating details from various storage engine caches for the final output is time consumingC.Collecting information requires various disk-level operations and is time consumingD.Counting and summarizing all table pages in the InnoDB shared tablespace is time consuming

3.A) formationB) explosionC) eruptionD) propulsion

4.Stand _____ engine !A.withB.byC.inD.to

参考答案和解析
正确答案：D
解析：medium：中等，介质;pin：销，刺穿，钉住;journal：轴颈;spindle：芯轴，转轴;lubricator：注油器;splash：飞溅
译文：对于中速主推进柴油机，曲柄销轴承通过曲轴内钻孔的油道供油润滑。
更多“On a medium－speed main propulsion diesel engine, the crank－pin or crank journalbearing ”相关问题

  • 第1题：

    紧急情况

    A.emergency

    B.embark

    C.enough

    D.engine


    正确答案：A

  • 第2题：

    5、定压加热循环（Diesel循环）适用于高速柴油机。


    错误

  • 第3题：

    柴油机的燃料“Diesel”是以发明人名字命名的


    正确

  • 第4题：

    (piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).

    A.brake horsepower

    B.displacement

    C.cylinder volume

    D.cylinder clearance


    正确答案：B
    解析：brake：制动;displacement：排量，位移;clearance：间隙
    译文： 活塞面积×活塞冲程×气缸数=发动机排量

  • 第5题：

    4、MySQL支持的存储引擎有哪些（）

    A．MyISAM

    B．InnoDB

    C．MEMORY

    D．Engine


    错误

  • 第6题：

    10、柴油机的燃料“Diesel”是以发明人名字命名的


    正确

相关内容