保证柴油机运动部件与固定件的准确相对位置，实质上是要（）。

【名词&注释】

冷却水(cooling water)、增压器(turbocharger)、焚烧炉(incinerator)、中心线(center line)、电加热(electric heating)、船舶防污染(pollution prevention of ships)、符合要求(meet the requirement)、防污染设备、实质上(in essence)

[单选题]保证柴油机运动部件与固定件的准确相对位置，实质上^{(in essence)}是要（）。

A. 配合间隙符合要求^{(meet the requirement)}
B. 保证两者中心线重合或平行
C. 实现柴油机的设计性能
D. 保证柴油机的可靠运转

查看答案&解析 查看所有试题

学习资料：

[单选题]常用的船舶防污染设备有（）。

A. 油水分离装置
B. 焚烧炉
C. 生活污水处理装置
D. A+B+C

[单选题]废气涡轮增压器壳体腐蚀的原因主要有（）等造成。Ⅰ.硫酸腐蚀；Ⅱ.穴蚀；Ⅲ.高速气流引发的腐蚀；Ⅳ.冷却水腔的海水腐蚀；Ⅴ.喷水腐蚀。

A. Ⅱ＋Ⅲ
B. Ⅰ＋Ⅲ
C. Ⅰ＋Ⅲ＋Ⅴ
D. Ⅰ＋Ⅱ＋Ⅲ

[单选题]滑油系统预热的方式有（）。Ⅰ.蒸汽加热；Ⅱ.电加热；Ⅲ.分油机分油加热；.Ⅳ.热水加热

A. Ⅰ+Ⅱ
B. Ⅰ+Ⅳ
C. Ⅰ+Ⅲ
D. Ⅰ+Ⅲ+Ⅳ

[单选题]As a heat engine,（） energy is the source of power by which the diesel engine can be operated.

A. electric
B. heat
C. mechanical
D. exhaust

[单选题]In order to ensure the safety of the ship and its equipment during UMS operation, certain essential functions （）.

A. must be provided
B. may be provided
C. have provided
D. can be provided

[单选题]The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate, frame sections and cylinder jackets into a single unit.

A. connecting rods
B. main bearing
C. column
D. tie rod

[单选题]There should be a lubricating oil （） between the main beatings and the crankshaft.

A. film
B. cap
C. lacquer
D. shell

[单选题]Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）

A. Splash lubrication
B. Pressure lubrication
C. Sight feed lubricators
D. Mechanical lubricator

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