正确答案: A

differential of crank-webs

题目：If （） are taken at regular intervals, any unequal distribution of load will be easily found out.

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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]采用贮备可以提高动力装置的可靠性，但是亦有可能使可靠性反而下降，这是因为（）。Ⅰ.散热面积小，使温度大幅度上升；Ⅱ.振动、冲击因素影响备件寿命

Ⅰ，Ⅱ都对

[单选题]发动机实际工作状态好坏的标准可用（）衡量。Ⅰ.主机的推进特性曲线；Ⅱ.主机的负荷特性曲线；Ⅲ.发电柴油机的负荷特性曲线

Ⅰ+Ⅲ

[单选题]增压器自带油泵工作的可靠性与其安装质量有关，安装时应保证（）。

D．油泵轴线与转子轴线同轴

[单选题]螺旋桨0.4R以内的缺陷（）修理。

一般不可焊补

[单选题]Shims of different thicknesses are inserted between the shells to enable adjustment of （）.

the bearing clearances

[单选题]For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because （）.

changing filter elements would not interrupt engine operation

[单选题]The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.

delivering the same quantity of fuel to each cylinder for each power stroke according to engine load