A、在狭水道航行
B、保证船舶完整水密性
C、预防海盗
D、集装箱的系固
根据经验数值法，若船舶的拱垂值
，则船舶的拱垂变形处于_______。
A.有利范围
B.正常范围
C.极限范围
D.危险范围
在定向量泵电液舵机中，改变推舵液流方向的方法是采用：
A.改变三位四通换向阀阀芯的位置
B.改变舵机油泵的转向
C.改变舵面液压系统的管路
D.改变油泵的排出压力
下列哪种构件属于船体纵向构件?
A.舭肘板
B.旁底桁
C.肋骨
D.肋板
在开航前值班水手负责查看首尾吃水并报告值班驾驶员。
此题为判断题(对，错)。
A、135，14m/s
B、135，10m/s
C、315，10m/s
D、315，14m/s
What ________ the safe working load of the derrick?
A.is
B.be
C.are
D.has
A、不对称分布于中心附近
B、北侧大于南侧
C、对称分布于中心附近
D、东侧大于西侧
A.只有1正确
B.只有2正确
C.1和2都正确
D.1和2都不正确
A、起动空气压力
B、控制空气压力
C、主机滑油压力
D、主机燃油压力
为了提高燃烧室部件承受机械负荷与热负荷的能力，在结构上应该采用( )。
A.厚壁结构
B.薄壁结构
C.薄壁强背结构
D.整体式结构
A、鲜明的脚色意识和良好的协调能力
B、精湛的业务技能
C、热爱航海的崇高理想
D、对单调、艰苦工作环境的适应能力
In every case the Owners shall ______ his own Broker or Agent both at the port of loading and the port of discharge．
A.appoint
B.give name to
C.make
D.take
在横骨架式船体结构中，船体底部中心线上的纵向构件是______。
A.旁底桁
B.中底桁
C.扶强材
D.内底板
船舶施放一长声的信号表示()
A 堵漏
B 失火
C 解除警报
原油洗舱利用洗舱机喷出的高压原油产生的高压涡流实现溶解或稀释油泥、冲刷掉附着在构架上的油渣。洗舱机喷咀的压力应保持在____，以保证洗舱效果。
A.9-10㎏／㎝2
B.1-3㎏／㎝2
C.5-6㎏／㎝2
在船员职责分工中，三管轮应负责维护管理的设备有＿。①舵机系统中的液压泵；②锚机；③舵机；④绞缆机；⑤起货机；⑥发电柴油机。
A.①②③
B.①②④
C.②④⑥
D.②④⑤
坞修结束如以下各项都做过检查，则轮机部应收到厂方提交的_______测量记录。
I、尾轴下沉量及尾轴承间隙
II、螺旋桨的螺距和静平衡
III、舵轴承间隙
IV、轴系找正
V、压载舱清洁涂层检验报告
A.I、II、IV
B.I、II
C.I~V
D.I~IV
现代油船的船型布置是:
A.驾驶台和机舱均设在前部
B.驾驶台和机舱均设在中部
C.驾驶台和机舱均设在艉部
A、Ci，Cu，St
B、As，St，Cs
C、St，Cu，Ns
D、Cu，Cb
遵守安全作业受益方的顺序是，船员本身、船公司、生态环境。
此题为判断题(对，错)。
It shows mourning when you lower_____(半旗).
A.half-mast
B.dip the mast
C.flag line
D.flag mast
如果外贸进口合同中的价格条款是当再签订运输合同时，不应选用航次租船合同的哪种条款？
A.班轮条款
B.F.I.O.
C.F.I.
D.F.I.O.S.T.
二副管理航海图书资料的职责是：I、负责管理、登记“航海仪器和航海图书资料清册”；II、管理各种航海仪器技术说明书和图纸；III、收到航行通告或警告后，应在最短时间内登记海图卡片并改正；IV、负责保管作为少事证明的海图，以备海事调查
A.I～IV
B.II～IV
C.I～III
D.I、II、IV
在灭火过程中，三氟甲烷灭火剂会产生氢氟酸，因此要求该灭火的喷放时间不得超过()秒，以保证不会造成分解物ppm(百分比浓度)值过高
A.10
B.15
C.20
锚泊中负责航行值班的船员应:()
A.确保正规的了望
B.确保定时巡视船舶
C.采取措施防止船舶污染环境,并遵守适用的防止污染规则
D.以上均正确
下列哪类情况的进水对船舶的稳态和浮态影响较小______。
A.舱室顶部水密且位于水线以下，船体破损后整个舱室充满水
B.舱室顶部在水线以上，舱内与舷外水不相通，水未充满整个舱室
C.舱室顶部位于水线以上，舱内与舷外水相通
D.A，B和C都不是
A、机械应力
B、接触应力
C、热应力
D、高频应力
最后离开艇筏的人员应关闭示位灯。
此题为判断题(对，错)。
______ is not a proper procedure for a lashing of the timber deck cargo．
A.to be efficiently attached to the deck stringer plate or other strengthened points
B.to pass over the timber deck cargo
C.to be shackled to eye plates
D.to be applied not contacting with the timber deck cargo
A deck-stowed 40-foot container is giving off smoke，and one end is discolored from heat. The cargo is valuable and easily damaged by water. You want to extinguish the fire without further damage if possible. What action should you take? ______.
A.Connect a portable line from the ship's fixed system and discharge CO2 into the container
B.Flood the container with water and disregard any cargo damage as the fire threatens the entire vessel
C.Pierce the container and discharge 6 or more portable CO2's then add more CO2 hourly
D.Cool the exterior of the container with water and close all vents； then keep it cooled until it can be off-loaded
对于非油轮船舶下列哪项作业不记入油类记录簿中______。
A.油舱柜驳油
B.残油的焚烧
C.燃油舱或货油舱柜处所的压载或清洗
D.油舱柜的压舱水的排放
螺旋桨沉深横向力的作用方向(由船尾向船首看)______。
A.与螺旋桨旋转方向相反
B.与螺旋桨旋转方向无关
C.与螺旋桨旋转方向相同
D.随螺旋桨叶数不同而不同
A、台湾至琉球群岛
B、菲律宾至关岛
C、南沙群岛以南
D、日本以东洋面
The charts sold are of ______.
A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
Expenditure incurred by the parties to the adventure on account of salvage，whether under contract or otherwise，shall be allowed in general average to the extent ______ the salvage operations were undertaken for the purpose of preserving from peril the property involved in the common maritime adventure．
A.where
B.which
C.whether
D.that
A、停止生产或施工
B、吊销许可证
C、依法追究刑事责任
D、责令限期改正
材料：
The Salvor shall immediately after the termination of the services or sooner notify the Council and where practicable the Owners of the amount for which he demands security（inclusive of costs expenses and interest）from each of the respective Owners．Where the exception to the principle of no cure-no pay under Convention Article 14 becomes likely to be applicable the owners of the vessel shall on the demand of the Salvor provide security for the Salvor&39;s special compensation．The amount of any such security shall be reasonable in the light of the knowledge available to the Salvor at the time when the demand is made．
Unless otherwise agreed such security shall be provided（i）to the Council（ii）in a form. approved by the Council and（iii）by persons firms or corporations either acceptable to the Salvor or resident in China and acceptable to the Council．The Council shall not be responsible for the sufficiency（whether in amount or otherwise）of any security which shall be provided nor for the default or insolvency of any person firm or corporation providing the same．The owners of the vessel their Servants and Agents shall use their best endeavours to ensure that the cargo owners provide their proportion of security before the cargo is released.
Until security has been provided as aforesaid the Salvor shall have a maritime lien on the property salved for his remuneration．
问题：
The amount of security provided by owners shall be _______．
A.as small as practicable to ensure not to affect the normal business of the owners
B.sufficient to cover all costs expenses and interest the salvor had sustained in the process of or in connection with the savage operations
C.actual costs expenses and interest incurred to the salvor calculable immediately after the termination of the services
D.reasonable in the light of the knowledge available to the Salvor at the time when the demand is made
Where the principle of no cure-no pay is likely not to be applicable the owners of the vessel _______．A.is exempted from providing any security for the Salvor's special compensation
B.shall not provide any security for the Salvor's special compensation unless otherwise provided in the salvage contract
C.shall not provide any security for the Salvor's special compensation even the Salvor so demands
D.shall on the demand of the Salvor provide security for the Salvor's special compensation
The Council to which the security has been provided shall _______．A.be responsible for its sufficiency（whether in amount or otherwise）
B.be responsible for the default or insolvency of any person firm or corporation providing the same
C.be responsible for its sufficiency（whether in amount or otherwise）but not for the default or insolvency of any person firm or corporation providing the same
D.be responsible neither for its sufficiency（whether in amount or otherwise）nor for the default or insolvency of any person firm or corporation providing the same
请帮忙给出每个问题的正确答案和分析，谢谢！
A.吸油毡
B.木屑
C.围油栏
D.A或B或C
A.两者一样大
B.前者大
C.后者大
D.不一定
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