A governor automatically controls engine speed by regulating

【名词&注释】

可靠性(reliability)、螺旋桨(propeller)、工作时间(working time)、关键是

[单选题]A governor automatically controls engine speed by regulating （）.

A. fuel supply
B. firing order
C. engine load
D. oil level

查看答案&解析 查看所有试题

学习资料：

[单选题]串联系统的部件数目n与工作时间t都影响系统的可靠性（）。Ⅰ.串联部件越多，系统可靠性越差；Ⅱ.工作时间越长，系统的可靠性越差

A. 仅Ⅰ对
B. 仅Ⅱ对
C. Ⅰ，Ⅱ都对
D. Ⅰ，Ⅱ都不对

[单选题]艉轴密封装置的橡胶环常见的失效形式有（）。

A. 磨损和腐蚀
B. 老化、裂纹和缺口
C. 老化和腐蚀
D. 断裂、老化和磨痕

[单选题]为了检验螺旋桨的螺距，关键是应测量计算出（）螺距。

A. 局部
B. 截面
C. 桨叶平均
D. 螺旋桨总平均

[单选题]A-frames are mounted on the bed plate and support （） and cylinder block.

A. the main bearing
B. the cylinder cover
C. the entablature
D. the sum

[单选题]The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.

A. nip
B. nap
C. gap
D. li

[单选题]Which cause of the following can lead to the engine not to start on air?（）

A. starting air pressure too high
B. correct timing of starting air valves
C. three of the starting valves stuck
D. the turning gear disengaged

本文链接：https://www.51bdks.net/show/8xqy3r.html