出自:海船船员证

跨度很短的梁,当有较大的载荷作用在支座附近时,应进行()校核。
A:正应力强度校核
B:剪应力强度核核
C:A和B
D:A或B
Immediately after starting a diesel engine, normal raw water and jacket water pressure are indicatedHowever, the jacket water temperature continues to rise, if there is no change in the sea temperature, you should suspect()
A:overloading in all cylinders
B:a jammed three-way thermostatic valve
C:chromate PH too low
D:a high level in the surge tank
箱型舱盖的启闭动力是:()
A:船中附近的绞车
B:绞车钢索驱动 
C:舱盖本身专设机械
D:船上或港口起货机械
Increasing differential pressure of an oil filter indicates that ()
A:it is dirty
B:it is leaky
C:it has been renewed
D:all the above
油船双层壳舷侧结构特点及组成是什么?
GPS卫星导航系统发射两种信号频率的目的是为了()。
A:减少时钟误差引起的定位误差
B:能同时观测两颗卫星定位
C:减少无线电信号传播延迟误差
D:有更多的定位机会
以下各项中,属于电源性质的是()。
A:直流发电机电枢绕组内的电动势
B:处于充电状态下的手机电池
C:处于充电状态下的蓄电池
D:直流电动机电枢绕组内的电动势
Compass deviation is caused by().
A:magnetism from the earth's magnetic field
B:misalignment of the compass
C:magnetism within the vessel
D:a dirty compass housing
If there is water in fuel oil, the revolution of the engine will ().
A:decrease
B:increase
C:be dismantled
D:be reassembled
下列哪种情况是构成背离规则的必要条件:() Ⅰ、特殊情况Ⅱ、紧迫危险Ⅲ、特殊情况下存在紧迫危险
A:Ⅰ
B:Ⅱ
C:Ⅲ
D:Ⅱ、Ⅲ
船舶作小角度横向摇摆时,浮心的运动轨迹是()。
A:弧线
B:直线
C:不规则
D:波浪线
DOC须经()一次的换证审核和每年一次的年度审核才有效。
A:2年
B:3年
C:4年
D:5年
In respect of the carrier’s liabilities,responsibilities,the rights and immunities in China Ocean Shipping Company Bill of Lading Clauses,()shall be applied.
A:Hague Rules
B:Peking Adjustment Rules
C:SINOTIME
D:BALTIME
滑行艇操大舵角转向容易造成翻覆。
《中华人民共和国船员违纪记分管理办法》规定,海事机构对船员违法记分记录的规定是()
A:应记录在《适任证书》的等级与职务“适用限制”一拦中
B:应记录在《船员服务簿》“主管机关签注(一)”一拦中
C:当地海事机构签发违纪记分抄报单,附在《船员服务簿》中
D:当地海事机构签发违纪记分抄报单,附在《适任证书》中
Automatic identification systems(AIS)are required to().
A:provide safety-related information automatically to shore stations,other vessels and aircraft
B:receive safety-related information automatically from similarly equipped vessels
C:exchange safety-related information with shore-based facilities
D:All of the above
在雾航中,听到一船鸣放“两长声”又鸣放“四短声”,则该船为:().
A:被拖船
B:失去控制的船舶
C:执行引航任务的引航船
D:在航不对水移动的机动船警告本船
Which of the conditions listed could cause the cylinder relief valves on a large, low-speed, propulsion diesel engine to lift?()
A:Plugged injector nozzles
B:Excessive fuel injection
C:Very late injection timing
D:Incorrect crankshaft clearance
在北半球热带气旋()的主波向与其移动方向基本一致。
A:前半圆
B:后半圆
C:左半圆
D:右半圆
Your vessel is damaged,listing to port and on occasion flopping to the same angle to starboard. It has a long,slow,sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take?().
A:Jettison any off-center topside weights to lower GM and correct the list
B:Pump out any slack after double-bottom tanks to reduce free surface and increase freeboard aft
C:Pump out the after peak and fill the forepeak to change the trim
D:Press up any slack double-bottom tanks forward of the tipping center,then fill the forepeak if empty
When connecting the tow bridle to a tug, the end of the bridle is passed with a().
A:heaving line
B:shot line
C:high line
D:messenger line
In heavy weather you notice buckling in the midship deck plating of you vessel. To relieve the strain you could().
A:pump fuel oil from midships to the ends of the vessel
B:reduce speed
C:take a course which most eases the vessel
D:All of the above
辅助操舵装置应能满足在最大营运前进航速的一半但不小于7Kn时进行操舵,使舵自一舷()转至另一舷(),所需时间不超过()。
A:15°、15°、60s;
B:20°、20°、50s;
C:35°、35°、45s;
D:30°、30°、30s。
燃油锅炉和废气锅炉的联系方法中不包括()。
A:各自独立,供汽都通到蒸汽分配联箱
B:废气锅炉为燃油锅炉的附加受热面
C:燃油锅炉为废气锅炉的附加受热面
D:燃油锅炉和废气锅炉组合成一体
大型箱装货物,最好配装于()。
A:中间货舱
B:首尾货舱
C:上甲板
D:船上任意位置
在采用计算机控制的船舶电站系统中,计算机检测原动机转速的目的是()。
A:用于判断原动机是否起动成功
B:用于判断原动机是否超速
C:用于检测原动机的零转速
D:以上都是
直航船应保持航向和航速,就意味着:()
A:任何改变航向与航速的行为,都是严重违背《规则》的行为
B:只要当时环境许可,则应保持原来的航向与航速
C:如果改变航向与航速,则必须保证他船能在安全的距离驶过
D:如果不履行保向保速的义务,则应承担让路的义务
固体散货船装运高密度散货时,如果平舱不充分,舱内货物的堆高Hmax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:Hmax=1.1lbdS
B:Hmax=0.9S.FdS
C:Hmax=1.1S.FdS
D:Hmax=0.9lbdS
某船位于纬度38N,该船向西航行328nmile后与出发点的经差应为()。
A:656′.2W
B:528′.2E
C:656′.2E
D:418′.5W
海洋微生物调查要素为:(),即病毒、细菌总数与微生物其他类群(放线菌、酵母、霉菌等)的丰度和()的活性,即细菌生产力、微生物异养活性、生态呼吸率的测定。