正确答案: A

engine overload

题目：A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal .the probable ___.

解析：A

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学习资料的答案和解析：

[单选题]公约要求，充气式救助艇无论何时均应始终保持（）。

满充气状

[单选题]若干扰力的频率和系统自由振动的固有圆频率分别为p和ω，则高频区p/ω为( )。B.0.75≤(p/ω)≤1.25

(p/ω)>1.25

[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]卤化烃灭火剂的主要灭火作用是______。

化学中断

[单选题]以下说法中正确的是________①当任意一船在前方发现他船前后桅灯成一直线，“对遇局面”规则开始适用②当任意一船在前方发现他船两盏红、绿舷灯时，“对遇局面”规则开始适用。

①②都不对