【名词&注释】
经济性(economy)、增压器(turbocharger)、集装箱船(container ship)、船舶动力装置(marine power plant)、中心线(center line)、工作条件(working condition)、同时发生(simultaneity)
[单选题]在检查()的连杆大端轴承螺栓时,必须测量螺栓的拉伸长度。
A. 大型低速柴油机
B. 中、高速柴油机
C. 空气压缩机
D. 中高速及大型低速柴油机
查看答案&解析
查看所有试题
学习资料:
[单选题]为了提高船舶动力装置的经济性,()部门应对整个动力装置进行综合分析。
A. 设计
B. 制造
C. 使用
D. A+B+C
[单选题]增压器的轴承一般以()端的轴承先损坏,因该处()、工作条件(working condition)差。
A. 压气/承受轴向推力
B. 压气/温度高
C. 涡轮/承受轴向推力
D. 涡轮/温度高
[单选题]一般()采用双轴系的推进系统。Ⅰ.油船;Ⅱ.拖船;Ⅲ.客船;Ⅳ.军舰;Ⅴ.集装箱船。
A. Ⅱ+Ⅲ
B. Ⅰ+Ⅱ
C. Ⅰ+Ⅱ+Ⅲ
D. Ⅲ+Ⅳ
[单选题]一般轴系中心线的偏中情况是其各相邻轴轴心线()。
A. 发生偏移
B. 发生曲折
C. 同时发生(simultaneity)偏移和曲折
D. 同时发生(simultaneity)总偏移和总曲折
[单选题]在舵机功能正常的情况下,出现舵沉重,转舵不灵,转满舵需较长时间,这可能是()等原因造成的点。Ⅰ.舵叶进水;Ⅱ.舵承间隙过大;Ⅲ.舵系安装不正;Ⅳ.舵杆弯曲变形;Ⅴ.舵承损坏。
A. Ⅰ+Ⅱ+Ⅴ
B. Ⅰ+Ⅲ+Ⅳ
C. Ⅱ+Ⅳ+Ⅴ
D. Ⅰ+Ⅲ+Ⅳ+Ⅴ
[单选题]Due to () action of pistons some relative motion between parts in contact in the coolant supply and return system must occur.
A. reciprocating
B. rotating
C. running
D. removing
[单选题]To avoid scavenge fires occurring the engine timing and equipment maintenance ().
A. should be correctly carried out
B. should correctly be taken place
C. should carded with care
D. must to carry out with great care
[单选题]With respect to the flow of lubricating oil through a diesel engine, the lube oil coolers are located after filters in order to ().
A. allow filtration of less viscous oil
B. decrease the pressure drop across the filter
C. improve overall filtration
D. all of the above
[单选题]The minimum speed an engine must attain before ignition can occur depends upon ().
A. the type and size of the engine
B. the condition of the engine
C. ambient temperature
D. all of the above
本文链接:https://www.51bdks.net/show/x6747l.html