正确答案: A

Ⅱ＋Ⅲ

题目：填料函式艉轴密封装置要求换新填料安装时应（）。Ⅰ.材质不变；Ⅱ.每圈长度恰好对接；Ⅲ.各道填料接口错开；Ⅳ.填料的圈数不变；Ⅴ.必须全部更换。

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学习资料的答案和解析：

[单选题]船上吊缸检修后，装复活塞运动部件时，正确的操作是（）。

应按规定的预紧顺序和预紧力安装气缸盖螺栓

[单选题]中国船级社要求营运船舶的曲轴臂距差（）时，应立即停航修理。

＞0.30S

[单选题]测量螺旋桨螺距时采用的量具是（）。

螺距规

[单选题]拆装增压器时对于转子上的零件及其位置不可以随意更换和改动，以免影响（）。Ⅰ.对中性；Ⅱ.运转；Ⅲ.平衡精度；Ⅳ.振动；Ⅴ.转子变形。

Ⅰ＋Ⅲ

[单选题]（） the engines, the diesel engine is（） used engine on board.

Among；the most commonly

[单选题]A main bearing consists of two shells which are secured by means of studs and （）.

bearing ca

[单选题]Remote control means that the system is being controlled by the operator who is situated （） from the system.

remote

[单选题]The position of the piston parts in relation to each other is secured by means of （） and a dowel pin in the crown.

machine-turned recesses