If （） are taken at regular intervals, any unequal distribu

【名词&注释】

可靠性(reliability)、螺旋桨(propeller)、动力装置(power plant)、实际工作状态(actual working state)、大幅度(greatly)、增压器转子(blower rotor)

[单选题]If （） are taken at regular intervals, any unequal distribution of load will be easily found out.

A. differential of crank-webs
B. indicator diagrams
C. lube oil reading out
D. misalignment of crank-throw

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学习资料：

[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（）。

A. 等于/乘积数
B. 等于/和数
C. 大于/乘积数
D. 小于/和数

[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^(greatly)上升；Ⅱ.振动、冲击因素影响备件寿命

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ，Ⅱ都对
D. Ⅰ，Ⅱ都不对

[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

A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ+Ⅱ+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（）。

A. A．油泵的位置准确
B. B．油泵轴线与增压器转子^{(blower rotor)}轴线垂直
C. C．油泵轴线与转子轴线平行
D. 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。

A. 可焊补
B. 不可焊补
C. 一般不可焊补
D. 可采用喷焊

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

A. the bearing clearances
B. the bearing thickness
C. the bearing strength
D. the bridge hardne

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

A. changing filter elements would not interrupt engine operation
B. filtering occurs twice in each pass of oil through the system
C. clogging will not occur
D. dropping pressure is half of that through a single filter unit

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

A. delivering the same quantity of fuel to each cylinder for each power stroke according to engine load
B. maintaining the metering adjustment for a reasonable period under all load conditions
C. timing fuel injection to obtain maximum power and good fuel economy
D. distributing the fuel to all parts of the combustion chamber for proper combustio

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