正确答案: A

扩张器

题目：将活塞环安装到环槽中采用的工具是( )。

解析：A

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举一反三的答案和解析：

[单选题]轮机日志是法定文件，在航行中由______负责填写；停泊中由______负责记载和保管。

值班轮机员/大管轮

[单选题]弃船人员登上艇筏后，哪些人员可视情况给予适当的淡水?

病患者

[单选题]第三组：Ship recycling contributes to sustainable development and is the environmentally friendly way of disposing of ships with virtually every part of the hull, machinery, equipment, fittings and even furniture being re-used. However, while the principle of ship recycling is a sound one, the reported status of working practices and environmental standards in recycling facilities often leaves much to be desired. Such growing concerns about environmental safety, health and welfare matters in the ship recycling industry have resulted in a growing belief that an international instrument to regulate the ship recycling process is urgently needed.

Ship recycling brings many problems concerning environmental safety, health and______occupational safety

[单选题]船长在接旧船时的职责应包括( )。①领导船员研究并熟悉船舶性能和接船程序;

①②③④

[单选题]四冲程柴油机的活塞常采用_______材料

铝合金

[单选题]对行政管理和技术管理理解错误的是______。

行政管理可代替技术管理

[单选题]互见中，两艘机动船处于交叉相遇势态，在形成碰撞危险前，有他船位于本船左舷的船舶________。

可以采取任何行动

[单选题]某轮罗航向CC005°，罗经差ΔC2°E，则该轮的真航向TC等于：()

007°