网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
修理过度磨损的钢质活塞环槽可采用()方法使之恢复原始尺寸。
A
光车
B
喷焊
C
光车+镀铬
D
镀铁
参考答案
参考解析
解析:
暂无解析
更多 “单选题修理过度磨损的钢质活塞环槽可采用()方法使之恢复原始尺寸。A 光车B 喷焊C 光车+镀铬D 镀铁” 相关考题
考题
单选题关于续航力、油耗及航速三者的关系()。 Ⅰ.燃油储备一定时,续航力与航速的平方成反比; Ⅱ.续航力相同时,油耗率与航速的平方成正比; Ⅲ.续航力相同时油耗率与航速的平方成反比。A
ⅠB
ⅡC
Ⅰ+ⅡD
Ⅰ+Ⅲ
考题
单选题根据我国民事法律,如果船舶代理合同授权不明,则()。A
委托人对第三人不承担任何代理后果B
代理人向第三人承担代理后果C
委托人应向第三人承担代理后果,代理人负连带责任D
船舶代理人的代理行为无效
考题
单选题横骨架式船体结构是在上甲板、船底和舷侧结构中,船体结构是()。A
纵向构件排列密而大,横向构件排列疏而大B
纵向构件排列疏而大,横向构件排列密而小C
纵向构件排列密而小,横向构件排列疏而大D
纵向构件排列密而小,横向构件排列密而大
考题
单选题Each ship shall carry on board a shop security plan approved by ()A
the chief engineer officerB
the master of the shipC
the manager of the companyD
the Administration
考题
单选题应急舵的基本工作原理是()A
用控制开关直接控制继电器或其他相应装置来启动舵机工作B
利用惠斯顿电桥的偏差信号经放大来驱动继电器的断通C
采用舵角反馈发送装置D
转动舵轮来控制舵机使舵转出相应的舵角
考题
单选题机械示功器由于它是利用活塞的机械位移测取示功图的,其固有的缺点是(),适用于()。A
弹簧刚度应大些/低速机B
弹簧灵敏度要好/仅适用低速机C
弹簧自振频率高/低速机和部分中速机D
弹簧刚度不能太大,因自振频率低/低速机和部分中速机
考题
单选题Which of the following is false?()A
A company should develop a SMS and implement itB
A company implementing a SMS properly may obtain a DOCC
Once a company obtains its DOC, each vessel of this company will obtain a SMCD
DOC is valid for 60 months unless “major non-conformity” is found
考题
单选题根据《运输船舶消防管理规定》,对下列哪些为将给予处罚?()I、违章进行明火作业或审批不当的;II、在禁烟场所吸烟的;III、指使或强令他人违反规定作业但未造成后果的;IV、不按规定配备灭火器材的A
I~IIIB
I~IVC
II~IVD
I、III、IV
考题
单选题Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?()A
In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greaterB
Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the portsC
No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engineD
The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine
考题
单选题Propeller running at () are generally efficient.A
high speedsB
medium speedC
low speedsD
the same speed with the engine
考题
单选题我国口岸检查办法规定,对()的船舶,经船方或者其代理人申请,检验检疫机构可以实施靠泊检疫。 Ⅰ.未持有有效《船舶卫生证书》; Ⅱ.因天气原因无法实施锚地检疫; Ⅲ.未持有有效的《除鼠/免予除鼠证书》; Ⅳ.因潮水等原因无法实施锚地检疫。A
Ⅱ~ⅣB
Ⅰ~ⅣC
Ⅰ~ⅢD
Ⅰ、Ⅱ、Ⅳ
考题
单选题Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except()A
open the indicator cocksB
supply some CYL Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C
put the fuel handle in the “stop” positionD
pump up the air bottle
考题
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
lathedB
shapedC
shrunkD
developed
考题
单选题(),由于地表面有海陆差异、地形起伏等,因此在对流层中,温度、湿度等的水平分布是不均匀的。A
气象要素水平分布不均匀B
气温随高度增加而升高C
气象要素水平分布均匀D
空气不易产生对流运动
考题
单选题根据世界四大柴油机制造商的统计资料,按导致主机故障原因分类,发生故障比例由大到小排列是()。A
材料问题、自然磨损、污损、操作问题B
污损、材料问题、自然磨损、操作问题C
材料问题、污损、操作问题、自然磨损D
自然磨损、材料问题、污损、操作问题
考题
单选题大型船舶在大风浪中锚泊时,为保证锚泊安全,应保证锚位距下风侧10m等深线()的距离,当条件受限时与10m等深线的距离不应小于2nmile。A
1-3nmileB
2-4nmileC
3-5nmileD
4-6nmile
考题
单选题Above-normal tides near the center of a hurricane maybe caused by the ().A
high barometric pressureB
jet streamC
storm surgeD
torrential rains
热门标签
最新试卷