In a typical fuel oil system, the oil is stored in tanks in

【名词&注释】

动力装置(power plant)、燃油消耗量(fuel consumption)

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

A. a service tank
B. a collecting tank
C. a sump
D. a settling tank

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学习资料：

[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

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ，Ⅱ都对
D. Ⅰ，Ⅱ都不对

[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。

A. Ⅱ＋Ⅲ
B. Ⅰ＋Ⅱ＋Ⅳ
C. Ⅲ＋Ⅳ＋Ⅴ
D. Ⅰ＋Ⅲ＋Ⅳ

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

A. bridges
B. recesses
C. rears
D. ridging

[单选题]The abbreviation TDC means （）.

A. top dead center
B. temperature difference center
C. time delay dock
D. top diesel company

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

A. Increases the sludge forming tendency of lube oil
B. Prevents the accumulation of combustible gases
C. Improves lube oil cooling
D. Improves cold weather starting

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