出自:海船船员证

目前关于海上救助的法律和国际公约,所调整的主要不是()。
A:雇佣合同救助
B:纯救助
C:无效果无报酬救助
D:无效果无报酬的合同救助
单吸式螺杆泵工作时所产生的轴向力是怎样平衡的?
船舶柴油机在进行强制制动时()。
A:车令与转向不符
B:车令与凸轮轴位置不符
C:高于换向转速
D:高于起动转速
Sub-cooling is a method of reducing the temperature of the liquid refrigerant below its ().
A:freezing point
B:floc point
C:condensing temperature
D:compression temperature
If your vessel is equipped with a radiotelephone,what must also be aboard?()
A:Certificate of Inspection
B:List of ship stations
C:Copy of ship to shore channels
D:Radio station license
A document which has a list of names,birthplaces,and residences of persons employed on a merchant vessel bound from a PRC port on a foreign voyage and is required at every port is called the ().
A:Certified Crew List
B:Crew Manifest
C:Shipping Articles
D:Station Bill
高速船每个航期应换油一次,对液压系统进行修理()换油。
A:亦应
B:无需
C:可换可不换
What is MTI?().
A:The fioot/tons needed to trim the vessel by 1 inch
B:The foot/tons needed to trim the vessel by 1 foot
C:The moments needed to trim the vessel by 1 centimeter
D:The amount of vessel will trim when loading 100 tons 100 feet from the tipping center
采用压铅法测量主轴承的轴承间隙时,()的要求是错误的。
A:铅丝的软硬度应适当
B:铅丝直径为(1.5~2.0)△安
C:铅丝应沿轴颈的轴向放置
D:上紧轴承螺栓的程度与原来一样
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?()
A:The required oily-water separator malfunctions
B:The ship is transferred to Liberian registry
C:An annual survey is conducted fifteen months after the date of certificate issuance
D:A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator
在临界稳性高度曲线图上,临界稳性高度GMC随船舶排水量的增大而()。
A:增大
B:减小
C:不变
D:变化趋势不确定
You can find the location of your abandon ship post by checking the ().
A:vessels logbook
B:vessel s documentation
C:muster list
D:Certificate of Inspection
According to Maritime Labour Convention, 2006, the maximum hours of work shall not exceed()
A:14 hours in any 24-hour period
B:77 hours in any seven-day period
C:ten hours in any 24-hour period
D:88 hours in any seven-day period
某轮真航向356°,罗经差+2°,航速18kn,风流很小,忽略不计,第一次观测某灯塔的罗方位039°,15min后刚好右正横灯塔,则该灯塔的正横距离为()。
A:2.5nmile
B:5nmile
C:4.5nmile
D:9nmile
Which of the following types of motors is often designed for use in correcting power factor?()
A:Polyphase
B:Wound-rotor
C:Induction
D:Synchronous
木滑车拆装后,要求() ①轴钉应重新铅封; ②车壳要用黑铅涂擦; ③车壳要打上油漆进行保养; ④铁件应除锈并打油漆。
A:①②③;
B:①②③;
C:①②④;
D:①③④。
油气中毒的症状有()
A:头昏眼花
B:丧失意志
C:神志慌乱
D:以上全是
船舶的航向稳定性可通过下列哪些试验来判别()?
A:旋回试验和螺旋试验
B:倒车试验和Z形试验
C:旋回试验和倒车试验
D:螺旋试验和Z形试验
船舶在浅水域航行时,确定富余水深应考虑的因素包括:() Ⅰ、海底地形Ⅱ、气压变化Ⅲ、潮汐预报精度
A:Ⅰ、Ⅱ
B:Ⅰ、Ⅲ
C:Ⅰ、Ⅱ、Ⅲ
D:Ⅱ、Ⅲ
以下不属于主机遥控系统的气动逻辑元件是()。
A:二位三通阀
B:三位四通阀
C:减压阀
D:两位五通阀
As a general rule,tally clerks should make their tallying().
A:in warehouses
B:on deck
C:ashore
D:in the tallyroom
下列()不属于清洁货物。
A:镁砂
B:钨砂
C:滑石粉
D:石墨粉
直径为D=20cm的圆轴的截面极惯性矩等于()cm4
A:7850
B:15700
C:785
D:1570
In the doldrums you can expect().
A:steady, constant winds
B:frequent rain showers and thunderstorms
C:steep pressure gradients
D:low relative humidity
船舶Δ=18764t,GM=0.187m,现存在初始横倾角θ0=2.14°,则船舶横倾角为20°时复原力矩减小()t²m。
A:708
B:643
C:613
D:507
磁罗经的软铁校正器是()。
A:纵向磁棒
B:横向磁棒
C:佛氏铁
D:A+B+C
Before sailing for a foreign port,what document must you get?().
A:The Policy of insurance
B:The Report of Entrance
C:The Clearance
D:The Pratique
阀控式液压舵机中,一般不使用()。
A:浮动杆反馈机构
B:电气反馈机构
C:单向定量泵
D:电液换向阀
阿留申低压发展最盛的季节是()。
A:春季
B:夏季
C:秋季
D:冬季
方向性图