出自:海船船员证

图为北半球典型锋面气旋示意图,请问图中C点的风向为()。
A:西北风
B:东南风
C:西南风
D:东北风
总布置图是由哪几组图组成的()。
A:侧面图,甲板平面图,平台平面图,舱底平面图
B:侧面图,甲板平面图,横剖面图,船体舾装图
C:横剖面图,基本结构图,肋骨型线图,机舱布置图
D:纵剖面图,横剖面图,甲板平面图,舱底平面图
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ().
A:is more flexible and has the ability to absorb shock because of its weight
B:is less subject to wear and damage from abrasion
C:requires little maintenance
D:All of the above
下列哪项操作不需记入《油类记录簿》第二部分()。
A:加装燃油
B:污压载水的排放
C:货油的装载
D:残油的处理
在检查和调整主机回油阀调节式喷油泵的供油量均匀性时,应将主机的燃油手柄置于()位置。
A:标定供油位置
B:停车位置
C:任意位置
D:起动主机时的供油位置
Too much excess air is ()because the heat generated is being lost through the exhaust trunking instead of being made used of in heating the water to produce steam.
A:not good
B:good
C:better
D:the best
什么是强肋骨?
航行在台风区的船舶,在确知台风动态和本船在台风区的位置后,可根据具体情况,采取有效措施避离台风中心;首先应尽可能远离台风中心,一般应保持距离()海里以上,风力在6~7级,气压不低于105pa;迫不得已时,至少要保持100海里以上,风力不超过8级。
A:200
B:300
C:400
D:500
A vessel displaying three red lights in a vertical line is().
A:restricted in her ability to maneuver
B:not under command
C:engaged in mineclearing operations
D:constrained by her draft
怎样判断热力膨胀阀开度调节是否合适?
对ARPA的能力,下列哪一种说法是错误的()
A:ARPA仅可在其最大跟踪距离范围内具备ARPA功能
B:ARPA有录取最大容量的限制
C:只要在PPI上显示着的实在目标的回波光点,ARPA均可自动跟踪之
D:ARPA仅可在所设定的区域内自动录取并跟踪目标
How should you signal the crane operator to stop in an emergency?()
A:Extend arm with the palm down and hold this position rigidly
B:Place clasped hands in front of your body
C:Extend arm and move hand rapidly right and left with the palm down
D:Place both fists in front of the body with the thumbs pointing outward
You hear the general alarm and ship’s whistle sound for over 10 seconds. Traditionally,this is the signal for().
A:abandon ship
B:dismissal from fire and emergency stations
C:fire and emergency
D:man overboard
右图所示的图形符号表示的是()阀
A:先导型溢流
B:卸荷溢流
C:电磁溢流
D:先导型定值减压
A positive displacement pump is that where the volume of the pump chamber is alternately increased to () and then decreased to ().
A:draw the liquid in;force the liquid out
B:force the liquid out;draw the liquid in
C:suction;draw
D:deliver;outlet
When oil is accidentally discharged into the water,what should you do after reporting the discharge().
A:Contain the oil and remove as much of it as possible from the water
B:Throw chemical agents on the water to disperse the oil
C:Throw sand on the water to sink the oil
D:Obtain your permit from the Corps of Engineers
为保证安全,在使用冬季载重线时,木材甲板货在甲板上的堆装高度应不超过船宽的()。
A:1/3
B:1/4
C:1/5
D:1/6
根据我国《海商法》的规定,当承运人知道或者有合理的根据怀疑提单记载的货物与实际接收的货物不符时,常在提单上加注()条款。
A:质询
B:未知
C:免责
D:互有过失
逆螺旋试验结果舵角与角速度曲线出现多值对应S形曲线,则表示船舶:()
A:航向稳定性好
B:动航向不稳定
C:方向稳定
D:位置稳定
往复流箭矢上的一个数字表示()流速。
A:平均
B:最小
C:大潮日的最大
D:小潮日的最小
The amount of heat released by steam when it changes to water at the same temperature is called().
A:latent heat of condensation
B:latent heat of vaporization
C:latent heat of saturation
D:sensible heat of condensation
按照规定的时限(或期限)对船舶机械进行拆卸、检验和修理,以防止故障的发生,这种维修方式称为()。
A:事后维修
B:视情维修
C:定时维修
D:状态维修
A compound fracture is a fracture in which().
A:more than one bone is broken
B:the same bone is broken in more than one place
C:there is never any internal bleeding
D:the bone may be visible
集装箱船舶在各种装载状态下大多呈现(),因此在向船上配箱时应()。
A:中垂变形,船长中部区域适当重量较大的集装箱
B:中垂变形,船长首尾区域适当重量较大的集装箱
C:中拱变形,船长中部区域适当重量较大的集装箱
D:中拱变形,船长首尾区域适当重量较大的集装箱。
对于英版海图和灯标表中灯标射程,以下说法正确的是()
A:光力射程只与气象能度有关
B:额定光力射程只与气象能见度有关
C:光力射程只与光力强度有关
D:额定光力射程只与光力强度有关
Reducing the liquid free surfaces in a vessel reduces the().
A:roll period
B:metacentric height
C:waterplane area
D:vessel's draft
船舶开航前二副应做好哪些工作?()I、对船舶缺陷的处理符合港口当局的要求;II、提前检测航海仪器和声光系统;III、将开航情况向船长报告
A:I、III
B:I、II
C:I、II、III
D:II、III
The external circumference of a pair of main bearing shells is slightly () that of the bore of the housing which receives themWhat’s the meaning of “that” in the sentence above?
A:less than
B:lighter than
C:larger than
D:smaller than
螺旋桨总平均螺距是()螺距的算术平均值。
A:各桨叶
B:各桨叶截面
C:各桨叶平均
D:各桨叶实测
反映双轴系是间接传动式的设备是()。
A:外置式推力轴承
B:减速齿轮箱
C:离合器和联轴节
D:中间轴、艉轴及其轴承