正确答案: C

船舶系统

题目：辅助系统是为船舶平衡、稳性、人员生活和安全服务的管路系统，也称为（）。

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学习资料的答案和解析：

[单选题]二冲程低速柴油机废气涡轮增压器的排气背压一般不宜超过（）MPa。

0.003

[单选题]在进行活塞运动部件校中时，必须测量（）。

滑块与导板的间隙

[单选题]Engine fuel pump index is （）.

the reading at the rack

[单选题]On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）

cooling jacket

[单选题]The injector pump is operated by a cam which drives （） up and down.

the plunger

[单选题]The viscosity regulator controls the （） of the fuel oil in order to provide the oil at the correct viscosity for combustion.

temperature

[单选题]When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）

All of the above

[单选题]A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.

displacement