正确答案: C

Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ

题目：航行中，主柴油机发生拉缸事故，依据拉缸程度、海况等情况分别可采取（）的应急措施。Ⅰ.继续航行；Ⅱ.停车；Ⅲ.吊缸检修；Ⅳ.简单的减缸航行；Ⅴ.完全减缸航行。

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学习资料的答案和解析：

[单选题]废气锅炉烟道温度在300—400℃时可能发生（）。

小的烟垢着火

[单选题]四冲程柴油机连杆螺栓伸长量超过原设计长度的（）时应报废换新。

2%

[单选题]The pump has a constant stroke and the amount of fuel delivered is regulated by rotating （） which has a specially arranged helical groove cut into it.

the pump plunger

[单选题]How should you warm up a diesel engine that has not been run for some time? （）

Run it at half speed for a period of time