一、 定子(内腔型线) 二、 两段长半径圆弧 三、 两段短半径圆弧 四、四段过渡曲线

武汉理工大学：《船舶辅机》教学资源（试题库）试题五（无答案）

一、 结构如图所示 二、闭式叶轮（有20～60个径向短叶片） 三、 闭式叶轮-指其叶片部分设有中间隔板

一.单项选择题(每题2分) 1.泵分为容积式、叶轮式、喷射式,是根据来划分。 A.原动机类型B.工作原理C.运动形式D用途

一、其它喷射器 二、除水射水泵外，船上常用的还有水射抽气器、蒸汽喷射器和空气喷射器等

一、除液压泵、液压马达(液压缸)和液压控制阀之外，辅助元件包括： 二、 滤油器、油箱 三、 蓄能器 四、 热交换器

Principle The rising velocity of the globules carries them upwards where they become trapped by the under-surfaces of the plates and coalesce until the enlarged globules have sufficient rising velocity to travel along the plate surface and break away at the periphery

4.1 Function The purpose of the operation is either to liberate a liquid from strange particles, or to separate two intermixed liquids

Significant features: DVZ - JET WASH oil drainage Self-cleaning with sea water using a reversible pump Automatic electrode cleaning DBGM 8404946 Utilization of the adhesion tendency of oil to aid separation

First set to operation Before putting into operation for the first time check that: All connecting pipes and flanges specially on the suction side, are completely tight