液压系统中液压泵进口的油液温度不得大于:
A.35℃
B.60℃
C.70℃
D.45℃
锚链舱一般设在:(1)防撞舱壁之前;(2)首尖舱内;(3)首尖舱的上面或后面______。
A.(1)(3)对
B.(1)(2)对
C.(2)(3)对
D.(1)(2)(3)全对
A、9000
B、6430
C、7500
D、7350
大副调动交接时应介绍的重点内容有________。 Ⅰ、任期内船舶安全生产上发生的问题;Ⅱ、上次坞检时水线以下装置状况;Ⅲ、货舱舱容资料;Ⅳ、船体及甲板部所辖设备存在的主要技术缺陷。
A.Ⅰ~Ⅳ
B.Ⅱ~Ⅳ
C.Ⅰ、Ⅲ、Ⅳ
D.Ⅰ、Ⅱ、Ⅲ
A、柴油机速度特性
B、螺旋桨推进特性
C、船体阻力特性
D、船、机、桨者性能共同
EPIRB至少能从______米高处跌入水中而不损坏。
A.20
B.15
C.12
D.10
对柴油机主轴承的要求是:
A.有足够的刚度
B.有足够的热强度和热硬度
C.有减磨性和耐磨性
D.A+B+C
A、饱和蒸汽
B、未饱和蒸汽
C、过热蒸汽
D、过饱和蒸汽
在理论上很容易证明,水平气压梯度。
A.在低压中具有限值
B.在高压中没有限值
C.AB都对
D.AB都错
A.各零件无明显缺陷
B.气阀密封良好
C.活塞缸套间隙、连杆轴承间隙符合要求
D.测量桥规值
救生筏外四周扶手绳供求生人员在摇摆时使用。
此题为判断题(对,错)。
A、定温排气过程
B、定容排气过程
C、定温加热过程
D、绝热膨胀过程
A、波长远小于海深的波
B、波长远大于海深的波
C、波长等于海深的波
D、水深大于10m时出现的波
500总吨以下的客船至少配备救助艇:
A.1艘
B.2艘
C.3艘
D.3艘以上
按照要求,下列哪项不属于船长在船舶航行中的职责?
A.检查和督促值班驾驶员运用各种方法测定船位,保持计划航线
B.船舶进出港口、通过交管区时应遵守当地主管机关的规定,正确报告
C.督促值班水手按时开启航行灯
D.按要求书写夜航命令
A、150总吨及以上的所有船舶均应配小于15ppm滤油系统
B、10000总吨及以上的任何船舶应配滤油、监控报警并自动停止排放装置
C、400总吨及以上小于10000总吨的任何船舶配小于15ppm的滤油装置
D、小于400总吨的任何船舶应符合标准的存储舱
可以进行遇险多频呼叫的DSC设备是_____级设备。
A.A
B.B
C.C
D.D
You are on a tanker designed to carry molten sulfur.Which statement is TRUE ________.
A.There must be two portable toxic vapor detectors on board
B.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume
C.Cargo temperature may be taken by portable thermometers
D.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them
A.基本视图/旋转视图/斜视图/局部视图
B.基本视图/向视图/斜视图/局部视图
C.基本视图/旋转视图斜视图/向视图
D.主视图/向视图/斜视图/局部视图
在大风浪中航行,不能使艇首直接顶着风浪行驶,以免艇首被大浪压下。()
A fire is discovered in the bow of your vessel while making way. The wind is from ahead at 35 knots. You should ______.
A.remain on course and hold speed
B.remain on course but slack the speed
C.change course to put the wind on either beam and increase speed
D.change course and put the stern to the wind
动脉出血的特点是()
A.缓慢流出暗红色血液
B.喷出鲜红色血液
C.渗透性出血
A.①②③④
B.①②③
C.①②④
D.①
The degree of being seen under certain weather condition is called______.
A.Front
B.Depression
C.Swell
D.Visibility
打开无菌容器盖时,应将盖子()放在桌面上。
A.无菌面朝上
B.无菌面朝下
C.任意放置
A.拥有各种锚地
B.有专业的安保人员
C.港内没有涌浪
D.船舶能安全地驶入、驶出港口
A.35~50℃
B.55~70℃
C.70℃~80℃
D.85~95℃
在能见度不良的开阔水域中航行,你船在雷达上测得与来船构成碰撞危险,如来船位于本船的右正横附近,且本船正横前有多艘其他船舶时,你应采取________种避让措施比较有利。
A.大幅度向左转向
B.大幅度向右转向
C.大幅度减速
D.大幅度增速
A、长度饱和度
B、面积饱和度
C、容积饱和度
D、B+C
Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called ______.
A.floors
B.intercostals
C.girders
D.Stringers
A、不锈钢
B、高强度合金钢
C、特种合金钢
D、低碳钢
You are docking a vessel in a slip which has its entrance athwart the tide.You land the ship across the end of the pier,stemming the tide,preparatory to breaking the ship around the corner.You have one tug to assist.Where would you generally tie up the tug ________.
A.Have her on a hawser from the stern
B.Tie her up on the inshore bow to hold the ship off the end
C.Tie her up on the offshore bow
D.Tie her up on the inshore quarter to lift the stern
Which statement about general average is TRUE ________.
A.Damage to a ship must have been incurred while the ship and/or its machinery was being used for its intended purpose
B.Property must have been sacrificed or an expenditure of money incurred
C.The loss or damage to deck cargo due to heavy weather constitutes general average
D.Of the ship,the freight,and the cargo interests,only one need be involved
CHISREP船位报告系统中要求的一般报告有_____种。
A.4
B.5
C.6
D.3
铸铁件焊接难于保证质量的原因是焊接时______。
A.焊接工艺不良
B.温度高零件易变形
C.铸铁含碳量高和焊后对冷却速度控制不当
D.冷却速度快,焊缝容易形成白口,且硫、磷含量也促进白口
A、较重桨叶叶背边缘
B、较重桨叶叶面边缘
C、较轻桨叶叶背边缘
D、较轻桨叶叶面边缘
What is NOT an advantage of the rhumb line track over a great circle track?
A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts
A、驾驶台命令
B、轮机长命令
C、机器运转情况
D、船舶工况
压舵!
A.Meet her!
B.Meet him!
C.Meet the rudder!
D.Hard over!
暂时性脑缺血易发生______。
A.昏迷
B.昏厥
C.休克
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