出自:海船船员证

在虑及锚机起重能力的前提下,深水抛锚的水深极限一般可取:()
A:100m
B:85m
C:50m
D:25m
引航员登船前,除了要做好以上装置的安放和检查外,还要较精确控制船舶,其操纵要点有()。 ①调整进港船速,准确预报和控制抵达引航员登船点的时间; ②根据引航员的要求,调整航向,通常将引航员梯或舷梯放在下风舷侧,以利用船体的遮蔽作用减小下风舷侧的风浪; ③降低船速,以适应引航船或拖船的并靠,但有强横流影响时,船速不宜过低,以免漂移过大而造成搁浅,一般以保持舵效的船速为准; ④能见度不良时,本船位置不易被引航船识别,必要时开启雷达为引航船导航并鸣放合适的声号供引航船识别; ⑤引航船附近往来船舶交通密集,应加强了望,注意及时用VHF与VTS和他船取得联系并及时避让
A:①②③
B:①②⑤
C:②③④⑤
D:①②③④⑤
某散货船装载后侧得首,中,尾吃水分别为8.0m,8.7m,9.1m,存在拱垂愚昧经拱垂修正后的平均吃水为()m
A:8.70
B:8.65
C:8.6
D:8.5
Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?()
A:The amount of fuel injected will be increased
B:The start of injection will be retarded
C:The nozzle will permit fuel to dribble
D:The spray pattern will be distorted
对舱温要求不同的货物()不允许同舱配装。
A:可配装在相同舱室
B:应配装在不同舱室
C:需配装在相邻舱室
D:应装配在相同舱室
The deck beam brackets of a transversely framed vessel resist().
A:hogging stresses
B:sagging stresses
C:racking stresses
D:shearing stresses
真空蒸馏式制淡与其他几种制淡方式相比有哪些特点?
Which of the following element(s) should be taken into account in the preparation of the “Cargo Securing Manual”? ()
A:Duration of the voyage
B:Types of cargo units and vehicles to be carried
C:Weight of cargo units and vehicles
D:All of the above
The ship is bound()Japan.
A:for
B:by
C:at
D:to
The main engine is cooled with fresh water ()is added suitable small quantities of chemicals to prevent corrosion.
A:in which
B:on which
C:to which
D:by which
定性说明船舶在风中偏转规律时,船舶偏转方向与风动力中心和船舶重心相对位置:().
A:无关,与船舶重心和水动力中心相对位置无关
B:无关,与船舶重心和水动力中心相对位置有关
C:有关,与船舶重心和水动力中心相对位置有关
D:有关,与船舶重心和水动力中心相对位置无关
船舶离码头操纵中,在微风且码头前方无障碍物的情况下,船首摆开距离一般为()船宽。
A:1倍
B:2倍
C:3倍
D:4倍
航行中发现装有鱼粉的纲舱有烟雾,此时应()。
A:开舱检查
B:开舱并用水扑救
C:封闭该舱舱盖及通风孔
D:以上都可以
油润滑艉轴承材料常采用()耐磨合金。
A:铜铅合金
B:锡青铜
C:高锡铝合金
D:白合金
影响曲轴臂距差的安装因素有()。
A:飞轮安装
B:活塞运动部件的安装
C:轴系的安装
D:A+B+C
艉机舱船装载后将会引起曲轴轴线发生()变形,臂距差的大小和方向呈()变化。
A:弯曲/正值增大
B:首端塌腰/正值增大
C:首端上拱/负值增大
D:拱腰形/负值增大
The piston supporting body is mainly subjected to () stress.
A:pushing
B:centrifugal
C:stretch
D:compressive
在办理甲板或轮机值班的交接班时如正在进行重要操作,除非()或()另有指令外,该操作应由()完成。
Engage the flywheel with the ().
A:turning gear
B:motor
C:driving gear
D:driven gear
Which should NOT be a treatment for a person who has received a head injury and is groggy or unconscious?()
A:Give a stimulant
B:Elevate his head
C:Stop severe bleeding
D:Treat for shock
作为工质应具有良好的()和()。
A:流动性/多变性
B:膨胀性/多变性
C:膨胀性/分离性
D:膨胀性/流动性
A deadhead is a (n)().
A:tree or long awash in a nearly vertical position
B:crew member who refuses to work
C:upstream end of a load wall
D:buoy that is adrift
斜盘式轴向柱塞泵发生内泄最严重的部位是:()
A:柱塞与油缸之间
B:油缸体与配油盘之间
C:滑履与柱塞球头之间
D:滑履与斜盘之间
根据我国《海商法》规定,对于托运人托运的货物,当承运人发现为危险品时,可以根据情况().
A:将货物卸下
B:将货物销毁
C:使该货物不能危害船货及船上人命
D:A或B或C
关于制冷压缩机性能曲线的以下说法中不正确的是:().
A:不同型号压缩机的性能曲线不同
B:同一型号压缩机使用不同制冷剂时的性能曲线不同
C:性能曲线一般以冷凝温度为自变量,蒸发温度为参变量
D:由性能曲线可得知不同工况的制冷量、轴功率和性能系数
船舶接送引航员时,关于引航梯的放置,应:().
A:根据引航员的要求,通常应放在上风舷侧
B:根据船长的决定,通常应放在上风舷侧
C:根据引航员的要求,通常应放在下风舷侧
D:根据船长的决定,通常应放在下风舷侧
I would be much obliged if you could take the matter up with your Owners or Agents on the damage sustained and also request them to send their representative to us together with yours as soon as possible with a view to ascertaining the extent of the damage. This sentice is most likely appeared in a letter submitted to the().
A:captain of a ship
B:port captain
C:agent
D:shipchandler
At that time my ship and others were()within 40 degrees of the compass.
A:yawing
B:movin
C:turning
D:pitching
刚修复的直流复励发电机,磁极有剩磁,进行空载试验时,原动机启动后转速已达额定值时,发电机仍不能起压,原因是()。
A:串励磁场绕组极性接反
B:电枢反应过大
C:换向极绕组接反
D:并励磁场绕组极性接反
冬季船舶航行于我国北方港口,压缩机及冷剂系统正常,冷库温度降不下来,主要原因:()。
A:滑油温度过低;
B:冷凝温度太低;
C:蒸发温度太高;
D:蒸发器结霜严重。