【名词&注释】
增压器(turbocharger)、密封性(sealing)、燃烧室(combustion chamber)、固定式(fixed)、二冲程柴油机(two-stroke diesel engine)、缸套磨损量(the wear of cylinder)、工作部件(working parts)、气缸套磨损
[单选题]单轴系大多用于()。Ⅰ.大型海船;Ⅱ.内河中、小船舶;Ⅲ.军舰;Ⅳ.拖船;Ⅴ.客船。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ
C. Ⅰ+Ⅱ+Ⅲ
D. Ⅰ+Ⅱ+Ⅳ
查看答案&解析
查看所有试题
学习资料:
[单选题]备用部件数与工作部件(working parts)数之比称为备用比,按贮备方式不同可分为()备用件。Ⅰ.固定式连接热态;Ⅱ.固定式连接冷态;Ⅲ,不固定式连接
A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ+Ⅱ+Ⅲ
[单选题]通常,当气缸套磨损量(the wear of cylinder)超过()时,燃烧室就会失去密封性(D为缸径)。
A. A.0.1%~0.2%
B. B.0.2%~0.4%
C. C.0.3%~0.6%
D. D.0.4%~0.8%
[单选题]增压二冲程柴油机当增压器损坏无法使用而使用辅助或应急鼓风机时,其运转功率与转速的降低程度主要应考虑的因素是()。Ⅰ.排气温度;Ⅱ.柴油机振动;Ⅲ.排气颜色;Ⅳ.柴油机运转状态
A. Ⅰ+Ⅱ+Ⅲ
B. Ⅰ+Ⅲ+Ⅳ
C. Ⅱ+Ⅲ+Ⅳ
D. Ⅰ+Ⅱ+Ⅳ
[单选题]The engine is reversed by axial displacement of the camshafts In order for this to be carried out, the cams are () with inclined transition faces.
A. lathed
B. shaped
C. shrunk
D. developed
[单选题]If the temperature drops low enough, oil will not flow, () just tell us the temperature.
A. Hash point
B. Viscosity
C. Pour point
D. Cetane number
本文链接:https://www.51bdks.net/show/zxwkrw.html