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出自:海船船员证
在平直的有流港,泊位处的水流情况是:()
A:平行流
B:冲开流
C:压拢流
D:复合流
()是指船舶出租人向承租人提供船舶或者船舶的部分舱位,装运约定的货物,从一港运至另一港,并由承租人支付约定运费的租船方式。
A:航次租船
B:定期租船
C:光船租赁
D:包运租船
Which compensates for errors introduced when the vessel heels over().
A:The soft iron spheres on the arms of the binnacle
B:Magnets placed in trays inside the binnacle
C:A single vertical magnet beneath the compass
D:The Flinders bar
A main bearing consists of two shells which are secured by means of studs and ().
A:tie rods
B:through bolts
C:lead wires
D:bearing caps
利用船首叠标航行时,如发现前标偏右,表明船舶()。
A:偏右
B:偏左
C:偏离航道中央
D:不能确定
Which of the listed devices could be used as a ring groove tool during preparation for the installation of new rings?()
A:Steel brush
B:Fine emery cloth or steel wool
C:A section of the removed compression ring
D:A case hardened scraper
Why is the ring belt narrower in diameter than the skirt of a piston designed for a diesel engine?()
A:To allow for greater expansion due to higher operating temperature
B:To seal the cylinder against leakage of combustion gases
C:To provide an additional surface for oil cooling
D:To provide an additional strength for the crown and lower structure
根据联合国海洋法公约,军舰对具有()嫌疑的船舶可行使登临权。 Ⅰ.从事海盗或奴隶贩卖行为; Ⅱ.从事未经许可的广播; Ⅲ.没有国籍; Ⅳ.错误悬挂国旗。
A:Ⅰ,Ⅲ,Ⅳ
B:Ⅱ~Ⅳ
C:Ⅰ~Ⅲ
D:Ⅰ~Ⅳ
Mark 6型油雾浓度探测器,可以通过软件设置使之适应二冲程机或四冲程机或其组合,软件菜单提供各种功能的实现方法,它有三个操作级别,其中,()级别的操作只能实现查询功能,不能进行报警设定及系统设定。
A:用户
B:工程师
C:经理
D:服务商
A ship lists and trims about the().
A:center of gravity
B:center of buoyancy
C:center of flotation
D:centroid of the underwater volume
决策形成的过程包括()
A:收集信息
B:处理信息
C:做出决定
D:A+B+C
对设备的工况检测和诊断技术除了能达到了解和掌握设备在使用过程中的状态,并能()。
A:给出修理计划
B:判断故障
C:反映参数状态
D:预报故障发展趋势
PLS BE INFORMED THAT SUB VSL’S TWO KINDS OF CERTIFICATES HAVE EXPIRED. ONE IS DERATING CERTIFICATE AND THE OTHER IS SAFETY EQUIPMENT CERITFICATE. According to this telex,().
A:two certificates have expired
B:two certificates will expire
C:one of the two certificates have expired
D:one of the two certificates will expire
砂型铸造,当金属结晶完毕应进行的工作是()。
A:开箱
B:落砂
C:清理
D:A+B+C
在微机控制的船舶自动电站中,若自动同步失败,系统处理的方式是()。
A:报警并启动备用机组
B:报警并使电站控制方式转为“手动”
C:报警并使故障发电机立即停机
D:仅提供故障报警
判断船舶是否存在碰撞危险的因素有()。 ①两船会遇时的最近会遇距离; ②到达最近会遇距离处的时间; ③船舶所航行的水域环境; ④外界的气象和能见度情况; ⑤船舶的尺度; ⑥船舶的操纵性能
A:①~②
B:③~⑥
C:②~⑥
D:①~⑥
台风的()天气最恶劣。
A:外围区
B:涡旋区
C:眼区
D:三者都对
Open the ()of inter cooler before starting an air compressor.
A:cylinder cover
B:cooling water
C:oil cup
D:drain valve
How does the effect known as bank suction act on a single-screw vessel proceeding along a narrow channel?().
A:It pulls the bow toward the bank
B:It pushes the entire vessel away from the bank
C:It pulls the stern toward the bank
D:It heels the vessel toward the bank
某前四后一型船舶装载桶装白脱油,以下舱位()是合适的。
A:No.5舱的底舱
B:No.3舱的底舱
C:任何舱位均可
D:除了No.4舱以外的任何舱室
客船的尾门应位于:().
A:舱壁甲板
B:干舷甲板
C:主甲板
D:强力甲板
()显示方式中,若计程仪速度有误差时,雷达测得的距离也将有误差。
在气动仪表中,节流元件的作用是()。 ①把位移转换成气压信号 ②把气压信号转换成位移 ③产生压降 ④改变气体流量 ⑤可调整积分时间 ⑥可调整微分时间
A:①②④⑤
B:①③④⑤
C:①③⑤⑥
D:③④⑤⑥
下列
不属于
船舶电力系统基本参数的是()。
A:额定电压
B:额定功率
C:额定频率
D:电制
Your vessel is listening 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by th end with one foot of freeboard at the bow. Which action should you take first?()
A:Press up the slack No.1 starboard double bottom tank
B:Pump out the forepeak tank
C:Eliminate the water in the tween decks aft
D:Jettision stores out of the paint locker in the focsle
Survival craft EPIRBs (Class S) are().
A:permanently mounted in the survival craft
B:portable and stowed for carriage to the survival craft
C:permanently mounted on the bridge wings
D:portable and stowed in the emergency gear locker
半数致死浓度和半数致死量是衡量()的指标,其值越()危险性越大
A:放射性;小
B:有毒物质;小
C:放射性;大
D:有毒物质;大
74SOLAS公约规定对危险通报的情报应包括()。 Ⅰ.冰、漂浮物及其他对航行有直接危险的情报; Ⅱ.热带风暴; Ⅲ.对热带风暴继续观测; Ⅳ.未收到热带风暴情报而风力达8级以上。
A:Ⅰ.Ⅱ
B:Ⅰ.Ⅱ.Ⅲ
C:Ⅰ.Ⅱ.Ⅲ.Ⅳ
D:Ⅱ.Ⅲ.Ⅳ
Deep-sea liners are().
A:ferries
B:passenger liners
C:cruise ships
D:ocean going vessels
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to().
A:Jack the vessel back up to a safe height
B:Proceed on to your next destination since the list is unimportant
C:Pump out all ballast to gain reserve buoyancy
D:Notify the Coast Guard
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