正确答案: B

Ⅰ＋Ⅱ＋Ⅴ

题目：按舵与船体的连接方式分为（）。Ⅰ.悬挂舵或半悬挂舵；Ⅱ.穿心舵轴平衡舵；Ⅲ.半平衡舵；Ⅳ.单支承舵，Ⅴ.双支承舵。

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学习资料的答案和解析：

[单选题]串联连接系统的可靠度（）组成该系统各部件可靠度的（）。

等于/乘积数

[单选题]动力装置长期在部分负荷下工作，废热锅炉排烟温度t2过低，对废热利用设备的维护管理是（）。

不利的

[单选题]经修理的涡轮壳体要经过（）的水压试验，合格后方可使用。

1.5倍工作压力

[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 withdrawing of the cylinder liners, in general, depends on their （）.This may amount to approximately 1/120 of the diameter in some engines.

wear

[单选题]Lube oil cannot be efficiently filtered if its （）.

temperature is too low

[单选题]When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

drain and then renew the lube oil supply