正确答案: D

a settling tank

题目：In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.

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学习资料的答案和解析：

[单选题]每海里燃油消耗量是指船舶每航行1nmile动力装置所消耗的燃油总量，它考虑了（）.Ⅰ.动力装置本身的性能；Ⅱ.船舶的航行性能

Ⅰ，Ⅱ都对

[单选题]艉轴裂纹主要发生在（）等处。Ⅰ.法兰根部；Ⅱ.工作轴颈；Ⅲ.铜套接缝处轴颈；Ⅳ.键槽根部；Ⅴ.锥部大端截面变化。

Ⅲ＋Ⅳ＋Ⅴ

[单选题]Each journal and pin should be examined for （） and grooving.

ridging

[单选题]The abbreviation TDC means （）.

top dead center

[单选题]What function is provided by the crankcase ventilation system on some diesel engines?（）

Prevents the accumulation of combustible gases