出自:海船船员证

船吸现象容易出现在()
A:两船速度较高,相对速度较小的对驶中;
B:两船速度较低,相对速度较小的对驶中;
C:两船速度较高,相对速度较小的追越中;
D:两船速度较低,相对速度较小的追越中。
日本石油标准比重是指石油密度在()与等体积纯水在温度为()时的密度比值。
A:15℃;4℃
B:15℃;15℃
C:20℃;4℃
D:60oF;60oF
海盗袭击船舶的事件多发生在一些欠发达国家的沿海水域,而在()等较为发达国家的沿海水域内几乎没有海盗袭击事件发生。 Ⅰ.北美;Ⅱ.北欧;Ⅲ.西欧;Ⅳ.大洋洲。
A:Ⅰ~Ⅳ
B:Ⅱ~Ⅳ
C:Ⅰ~Ⅲ
D:Ⅰ,Ⅲ,Ⅳ
什么是艇甲板?
Which of the following is true?()
A:A company should develop an ISM and implement it
B:A company implementing an ISM properly may obtain a DOC
C:Once a company obtains its DOC, each vessel of this company will obtain a SMC
D:DOC is valid for 60 months unless “major non-conformity” is found
在NW太平洋热带气旋中心附近最大风速8~9级称为()
A:TD
B:TS
C:STS
D:T
防止化学腐蚀的措施是在零件表面上覆盖一层保护膜,常采用()等工艺。  1氮化, 2镀锡, 3镀锌, 4镀铬, 5发蓝。
A:1+3+4
B:1+2+5
C:2+3+5
D:1+3+4+5
It should be noted()the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers,or any vessels carrying inflammable substances.
A:that
B:which
C:who
D:these
In an elector-hydraulic steering system, rudder shock is limited by()
A:a differential gear
B:return springs
C:a hydraulic accumulator
D:relief valves
下列哪中声号可能被一艘在雾中锚泊执行引航任务的引航船选用()?
A:一长声
B:两长声
C:三短声
D:四短声
In four strokes engine, the cycle of events is completed in four strokes of ().
A:the cylinder
B:the crankshaft
C:the piston
D:the cross-head
请问台风属于()。
A:冷低压
B:暖低压
C:冷高压
D:暖高压
缆绳的安全系数无特别说明时,一般取()。
A:5
B:6
C:7
D:8
要使船舶处于稳定平衡状态,必须满足的条件是()。
A:GM=0
B:GM<0
C:GM>0
D:GM≥0
下列()是按照货物运输方式分的。
A:并装提单
B:交换提单
C:已装船提单
D:多式联运提单
检查柴油机喷油泵的喷油定时的方法中不正确的是()。
A:冒油法
B:标记法
C:照光法
D:拉线法上行程(toplift)法
The minimum range at which a target can be detected is basically determined by which of the following?().
A:persistence
B:pulse repetition rate
C:pulse length
D:rotation rate
()using the derrick at once, the gosseneck is bent.
A:Continue
B:Start
C:Commence
D:Stop
以下泵中适合用来输水的是()。
A:三螺杆泵
B:叶片泵
C:齿轮泵
D:单螺杆泵
理想气体温度不变,其参数值一定不变的是()。
A:内能
B:熵
C:比容
D:压力
下列哪种船舶可免受分道通航制条款的约束?()
A:为避免紧迫局面的船舶
B:从事疏浚作业的船在作业所必须的限度内
C:失去控制的船舶
D:B、C都是
离心泵运转中发生汽蚀,可采取的措施之一是()。
A:开大吸入阀
B:开大排出阀
C:关小排出阀
Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?()
A:Carbon dioxide is corrosive when exposed to fire
B:Carbon dioxide should be applied slowly to a large engine room fire
C:Its total cooling effect is far greater than water
D:Its smothering effect is excellent for class B fires
At the required fire drill conducted aboard a ship,all persons must report to their stations and demonstrate their ability to perform the duties assigned to them().
A:by the toolpusher
B:in the station bill
C:by the person conducting the drill
D:at the previous safety meeting
()of the following statements is incorrect regarding a fire and boat drill ao board your cargo vessel.
A:At least one fire and drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replaced
B:The Master is responsible in seeing thst each lifeboat is lowered to the water at least once in each 6 months
C:Lifeboat equipment shall be examined at least once each month to insure that it is complete
D:An entry shall be made in the vessels official Logbook relative eo each fire and boat drill
水环泵关闭排出阀运转会()。
A:过载
B:安全阀开启
C:发热
D:B和C
To serve as a person in charge of transfer operations on board a self-propelled tanker,an individual must().
A:hold a valid officer's license for inspected vessels
B:be a certificated tankerman
C:be 30 years old
D:have a letter from the company stating his qualification
下列属于编制修理单依据是()。
A:公司修船计划和规定的修理级别
B:船员掌握该设备的技术状况
C:保证船舶安全
D:节约修理费用
有关除鼠证书或免于除鼠证书,()提法不正确
A:对船舶实际除鼠后,应发给除鼠证书
B:经检查认为达到无鼠程度时,应发给免于除鼠证书
C:有效期1年
D:我国的除鼠或免于除鼠证书收卫检机关签发
A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by()
A:a leaking fuel injector nozzle
B:a clogged air filter
C:excessively early fuel injection
D:malfunctioning valves