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

【名词&注释】

柴油机连杆(diesel engine connecting rod)、主柴油机(main diesel engine)、四冲程柴油机(four-stroke diesel engine)

[单选题]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。

A. Ⅰ＋Ⅱ＋Ⅳ＋Ⅴ
B. Ⅰ＋Ⅳ＋Ⅴ
C. Ⅱ＋Ⅲ＋Ⅳ＋Ⅴ
D. Ⅳ＋Ⅴ

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学习资料：

[单选题]废气锅炉烟道温度在300—400℃时可能发生（）。

A. 高温着火
B. 小的烟垢着火
C. 氢着火
D. 铸铁着火

[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。

A. 0.5%
B. 1%
C. 1.5%
D. 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.

A. the pump cylinder
B. the pump cam
C. the pump plunger
D. the pump miler

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

A. Run it at minimum speed for a period of time
B. Run it at half speed for a period of time
C. Bring it to top speed immediately
D. Inject ether into the air intake

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