吊缸检查中，不需要检查的零件是（）。

【名词&注释】

润滑油(lubricating oil)、水压试验(hydrostatic test)、液压油(hydraulic oil)、工作压力(working pressure)、气缸套(cylinder liner)、填料函(stuffing box)

[单选题]吊缸检查中，不需要检查的零件是（）。

A. 气缸盖和气缸套^{(cylinder liner)}
B. 主轴承
C. 活塞组件
D. 填料函^{(stuffing box)}

查看答案&解析 查看所有试题

学习资料：

[单选题]液压拉伸器的液压系统中的液压油绝对不可使用（）。Ⅰ.液压油；Ⅱ.系统润滑油；Ⅲ.高级润滑油；Ⅳ.气缸油；Ⅴ.透平油。

A. Ⅳ＋Ⅴ
B. Ⅱ＋Ⅲ
C. Ⅱ＋Ⅳ
D. Ⅰ＋Ⅳ

[单选题]经修理的涡轮壳体要经过（）的水压试验，合格后方可使用。

A. 1倍工作压力
B. 1.5倍工作压力
C. 2倍工作压力
D. 2.5倍工作压力

[单选题]Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.

A. have nothing to do with
B. having nothing to do with
C. have much to do with
D. having much to do with

[单选题]“Stand by engine” means （）.

A. prepare to stop the engine
B. assemble an engine on its bedplate
C. make an engine ready for starting
D. make an engine run steadily

[单选题]The pressure of pilot air is usually （） than that of starting air.

A. higher
B. lower
C. low
D. high

[单选题]Crank web deflection readings will give a positive indication of （）.

A. worn main bearing journals
B. torsional stress deformation
C. slack thrust bearings
D. bearing shells shim dimensio

[单选题]One method of constructing large marine diesel engines and reducing the total engine frame weight is through （）.

A. casting interlocking components
B. welding plates to form sections for assembly
C. forging integral components
D. case hardening integral component

[单选题]Please supply my vessel（）120 tons of diesel oil.

A. for
B. with
C. to
D. o

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