[单选题]An alarm device inserted between the deaerating tank and the expansion tank can notify the on-watching crew that .

正确答案 ：D

there is something wrong with the engine

[单选题]下列异步电动机中启动性能和运行特性最好的是( )。

正确答案 ：D

绕线式异步电机

[单选题]SOLAS公约第Ⅸ章主要内容是关于______。

正确答案 ：D

船舶安全营运管理

[单选题]在正常情况下，船舶提出的备件申请，最后应经＿审核后，向供应商进行报价。

正确答案 ：C

公司船技处

[单选题]Vessels having main engines arranged for air starting are to be provided with at least__.

正确答案 ：B

two air starting containers of approximately equal size

[单选题]When received the order "Finished With Engine", which of the following operations is wrong?

正确答案 ：A

stop the L.O pump, S.W pump, jacket water cooling pump immediately

[单选题]人类获得性免疫缺陷综合症，称为______。

正确答案 ：C

艾滋病

[单选题]海关官员

正确答案 ：A

customs officer

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