出自:海船船员证

在大型油船辅锅炉燃烧控制系统中,微分环节和高压选择器的作用是()。
A:抑制供油量的波动
B:抑制风门调节机构振荡
C:使风门超前油量变化关小
D:使风门超前油量变化开大
What is the purpose of sub cooling R-12 in the condenser?()
A:to increase the system efficiency by sensible heat transfer
B:to stop the liquid from flashing
C:to reduce the load on the compressor
D:to remove latent heat of vaporization and the suction piping transfer
That REMOVE ANY LIST ON THE V/L AFTER EACH WATCH END means that().
A:any list,no matter where it is posted,shall be removed prior to ending his watch by the OOW
B:the vessel should not be removed
C:any and all lists on board the vessel should be taken off
D:the inclination of the vessel should be corrected prior to ending his watch by the OOW
关于船长保证船舶安全锚泊的职责,下列提法中正确的是()。 Ⅰ.浅水区锚泊要特别警惕发生走锚、断链和丢锚事故; Ⅱ.有关船舶安全锚泊注意的事项应以书面的形式交代值班驾驶员; Ⅲ.有关船舶安全锚泊注意的事项也可明确地写入船长的夜航命令簿中; Ⅳ.船舶因风浪颠簸剧烈或锚泊时间较长,应每天松、绞链环各一次。
A:Ⅱ、Ⅲ
B:Ⅰ、Ⅲ
C:Ⅰ、Ⅳ
D:Ⅱ~Ⅳ
If the Vendor is unable to make delivery,or to make delivery in good time,owing to force majeure then the Vendor’s obligation to deliver shall().
A:cease
B:stop
C:suspend
D:delete
Cargo handlers should take the following precautions with the exception of()to avoid damage from shifting.
A:Keep the loads as close to the rail or deck as possible
B:If cargo is likely to settle,make provisions to secure it after it has settled
C:Thoroughly secure and shore all cargo so that it cannot move
D:hen stowing cargo,avoid leaving empty paces
How would the exhaust of a properly operating diesel engine appear?().
A:Light blue haze
B:Light brown haze
C:Light gray haze
D:Perfectly clear
Sulzer低速柴油机的主轴承撑杆螺栓和贯穿螺栓的上紧顺序是()。
A:先上紧贯穿螺栓后上紧撑杆螺栓
B:先上紧撑杆螺栓后上紧贯穿螺栓
C:撑杆螺栓和贯穿螺栓同时上紧
D:任意
当船舶整船装运高密度干散货而无有关资料时,为防止船舶强度受损,每个货舱的货物装载最大重量Pmax应满足()要求。 (S.F为散货积载因数;ds为船舶夏季满载吃水;l为舱长;b为舱宽)
A:Pmax=1.1lbdS
B:Pmax=0.9lbdS
C:Pmax=1.1S.FdS
D:Pmax=0.9S.FdS
The term restricted visibility,when used in the Rules,refers to().
A:Situations when you can see vessels on radar that you cannot see visually
B:Visibility of less than half a mile
C:Any condition where visibility is restricted
D:Visibility where you cannot see shore
根据测量轴段扭转角φ的方法不同,扭矩计可分为()。 Ⅰ.光电式、电阻式; Ⅱ.磁电式、钢弦式; Ⅲ.磁质伸缩式、电感式。
A:Ⅰ+Ⅱ
B:Ⅰ+Ⅲ
C:Ⅱ+Ⅲ
D:Ⅰ+Ⅱ+Ⅲ
雷达的海浪干扰的强度与距离的关系是()。
A:距离增加时,强度急剧减弱
B:距离增加时强度急剧增加
C:距离增加时,强度缓慢减弱
D:以上均不对
根据IMO对船舶完整稳性的要求,无线航区航行的普通货船,在各种装载状态下经自由液面修正的初稳性高度值应不小于()m。
A:0.10
B:0.15
C:0.20
D:0.30
证明船舶满足了SOLAS74公约的最低标准的要求是()。
A:船舶配备了一系列证书
B:船舶进行了船体入级检验
C:船舶进行了初次检验
D:船舶进行了特别检验
在营运管理中,()常被用以作为航线配船、定舱配载、船舶配积载等的重要依据。
A:总载重量DW
B:夏季满载排水量ΔS
C:船舶装载排水量Δ
D:净载重量NDW
船长L()海浪波长λ,船首底浪冲击压力最大.
A:大于
B:略小于
C:等于
D:略小于等于
Assumption shall()on the basis of scanty information especially scanty radar information.
A:make
B:be made
C:not make
D:not be made
电子膨胀阀在吸气过热度控制中,其()电机根据蒸发器出口压力、压缩机吸气过热度变化控制阀门开度。
A:步进
B:交流伺服
C:自整角机
D:测速
某船航行中发现前方有海图标注该船应该在该灯标的()通过是安全的。
A:左侧
B:右侧
C:任意一侧
D:远离该标
发电机的欠压保护是为了()。
A:保护用电设备
B:保护交流发电机
C:保护发电机和原动机
D:保证并车成功
When two vessels are in sight of one another and NOT in or near an area of restricted visibility,any of the following signals may be given EXCEPT().
A:a light signal of at least five short and rapid flashes
B:one prolonged,one short,one prolonged,and one short whistle blasts
C:four short whistle blasts
D:two short whistle blasts
A capsized small sail vessel is best righted when what part of the vessel is downwind?()
A:Stern
B:Bow
C:Centerboard
D:Mast
当船舶重心的X坐标与浮心的X坐标不相等时,则船舶处于()。
A:纵倾状态
B:横倾状态
C:正浮状态
D:A+B
雷达波导管内大量进水,将会导致()。
A:无扫描线
B:无噪声斑点信号
C:无回波显示
D:将出现雨雪状干扰
下述哪项与《船长夜航命令簿规则》的要求不相一致()。
A:夜航命令簿不得涂抹
B:船长临时增改夜航命令时,应告诉值班驾驶员并在更改处签字
C:船长如发现值班驾驶员未严格执行夜航命令,应予批评指出
D:值班驾驶员在执行命令时,如遇情况变化,有必要临时修改内容时,应先处理上述变化,然后报告船长。
自动锅炉火焰感受器的作用是()。
A:感知燃烧状况好坏
B:熄火时即启动报警程序
C:点火成功即启动停止点火程序
D:B和C
The ability of an oil to separate cleanly from an oil and water mixture is referred to as its ().
A:precipitation number
B:neutralization number
C:pour point
D:demulsibility
气缸套内表面在最大燃烧压力作用下,承受的机械应力是()。
A:切向压应力,径向压应力
B:切向拉应力,径向压应力
C:切向压应力,径向拉应力
D:切向拉应力,径向拉应力
下述各项中不会造成增压器轴承烧毁的是()。
A:有金属碎片带入废气涡轮
B:滑油压力过低或油量不足
C:滑油过脏
D:油中混入金属屑
根据《货物积载与系固安全操作规则》,关于锚链积载与系固的说法,错误的是()。
A:不必用垫木等增加摩擦力的材料来隔开锚链层
B:锚链捆的最高一层应用系索系在两舷舱壁上
C:只要强度足够,锚链可以直接就、在金属表面的舱底板上积载
D:积载锚链的处所应清洁、无油脂