3750 Progressive flooding may be indicated by ______.
A. ballast control alarms B. excessive过分的 draft
C. excessive list or trim D. a continual worsening恶化 of list or trim
船舶的横倾或纵倾连续的恶化可以表明船舶正在进一步的漏水。
3749 Protective clothing防护衣 must be worn while sampling取样 hazardous cargo on a tankship, and as a
minimum includes ______.
A. a hood or hard hat B. a face mask or goggles C. boots D. chemical resistant gloves
在油船上对危险品进行取样时必须穿防护衣，并且至少包括一个面具或护目镜。
3748 Puncture小孔 leaks in the lower tubes or bottom of an inflatable liferaft should first be stopped by using
______.
A. sealing clamps封闭螺丝钳 B. repair tape C. a tube patch D. sail twine缝帆绳 and vulcanizing kit热补工具
低处的管子或气胀式救生筏的底部有一个小孔泄露应首先用封闭螺丝钳加紧停止泄露。
3747 Quadrantal error象限误差 in a gyrocompass has its greatest effect ______.
A. in high latitudes B. near the equator
C. on north or south headings D. on intercardinal headings
陀螺罗经的象限误差在罗盘方位点之间的航向是影响最大。
3746 Radar makes the most accurate determination of the ______.
A. direction of a target B. distance to a target C. size of a target D. shape of a target
雷达能够获得物标很准确的距离。
3745 Radiation fog(辐射雾) ______. A. always forms over water B. is formed by a temperature inversion C. is thinnest at the surface D. dissipates during the evening
辐射雾是由于逆温造成的。
3744 Radiation(辐射, 放射) spreads(传播, 蔓延) a fire by ______.
A. transferring heat across an unobstructed space B. heated gases flowing through ventilation systems C. burning liquids flowing into another space
D. transmitting the heat of a fire through the ship’s metal
火灾的辐射蔓延是指热量通过没有阻碍的空间进行输送。
3743 Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by ______.
A. authorized fire equipment servicing personnel only
B. replacing the propellant cartridge and refilling with powder C. puncturing the cartridge seal after installation
D. recharging the cartridge and refilling it with powder
使用过的干粉灭火器的弹药筒在重新充装前是更换推进药筒和充满粉末。
3742 Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be ______ on board
until the vessel’s certificate of inspection expires.
A. consealed B. detained C. contained D. kept
货船上消防系统的检查和试验记录应该保留在船上直到船舶的检查证书到期。
3741? Records which must be retained on board after report of casualty to a vessel include the ______. A. tour reports B. hull reports C. machinery repair record book D. deck equipment log
包含有伤亡报告的旅游报告必须保留在船上。
3740 Recurvature折回原来方向 of a hurricane’s track usually results in the forward speed ______. A. increasing B. decreasing C. remaining the same D. varying during the day
飓风折回原来方向通常会造成前进速度增加。
3739 Reducing free surfaces has the effect of lowering the ______.
A. uncorrected KG B. virtual height of the center of gravity C. metacenter D. metacentric height
减少船上的自由液面有降低重心高度的作用。
3738 Reducing the liquid free surfaces in a vessel reduces the ______.
A. roll period B. metacentric height C. waterplane area D. vessel’s draft
减少船上的自由液面就是减少了横摇周期。
3737 Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed
by the ______.
A. Coast Guard B. Bureau of Shipping C. National Cargo Bureau D. local port authority
在装载冷藏货物之前制冷机器应经常检查，通常这个检查的任务由船检局完成。
3736 Regardless of local requirements/regulations, when in a U. S. port , all oil spills must be reported to
______.
A. Environmental Protection Agency环境保护局 B. Minerals Management Service矿物管理服务局 C. National Response Center(USCG) 国家应对中心 D. All of the Above
在美国港口不管地方规则如何，所有的溢油必须向国家应对中心报告。
3735 Regulations concerning the stowage, lashing, and securing of timber deck cargoes aboard general cargo
vessels may be found in the ______.
A. international cargo bureau regulations B. load line regulations
C. rules and regulations for cargo and miscellaneous vessels D. vessel’s classification society rules and regulations
有关杂货船上的甲板货木材的积载绑扎系固的要求能在载重线规则中找到。
3734 Reid雷氏 vapor pressure is ______.
A. exerted by liquid cargo on the sides of a tank B. exerted by liquid cargo on a cargo hose body
C. the lowest temperature and pressure that will cause a flammable liquid to give off vapors
D. a measurement of the amount of flammable vapors given off by a liquid at a certain temperature 雷氏蒸汽压力是液体在确定的温度下散发出的可燃气体的总量。
3733 Reinforcing frames attached to a bulkhead on a vessel are called ______.
A. side longitudinals边纵件 B. intercostals居间件 C. stiffeners加强件 D. brackets基座
附在船舶舱壁上起加强作用的构件是：加强件。
3732 Relative humidity is defined as ______.
A. the maximum vapor content the air is capable of holding B. the minimum vapor content the air is capable of holding
C. the ratio of the actual vapor content at the current temperature to the air’s vapor holding capability D. the relation of the moisture content of the air to barometric pressure
相对湿度的定义是当前温度下水汽的实际含量与能够含有水汽能力的比。
3731 Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount
it can hold at ______.
A. a specific barometric pressure B. a specific temperature C. a specific wind speed D. any time
相对湿度是空气中水汽含量与特定温度下空气中最大水汽含量的百分比。
3730 Releasing oil from the sea anchor of a lifeboat may ______.
A. keep the propeller from being fouled B. increase propeller speed
C. help calm the waves in the vicinity of the craft D. increase the holding power of the sea anchor
从救生艇的海锚中释放油能够帮助救生艇附近的海浪平静。
3729 Repairing damage to the hull at or above the waterline reduces the threat of ______.
A. free surface effects B. capsizing C. continued progressive flooding D. wind heel
对船舶水线以上的船壳损坏部分进行修理能减少进一步进水的威胁。
3728 Reserve buoyancy is ______.
A. also called GM
B. the void portion of the ship below the waterline which is enclosed and watertight船舶水线以上的空闲并
被包围成水密的部分
C. affected by the number of transverse watertight bulkheads横向水密舱壁的作用 D. the watertight portion of a vessel above the waterline水线以上水密的部分 保留浮力是：水线以上水密的部分 3727 Reserve buoyancy is the ______.
A. unoccupied space below the waterline水线以下空闲的空间
B. volume of intact space above the waterline水线以上完整体积的空间
C. excess of the buoyant force over the gravity force大于重力的那部分浮力
D. difference in the buoyant force in salt and fresh waters海水和淡水中浮力的差异
保留浮力是：水线以上完整空间的体积。
3726 Right-laid line should be coiled ______.
A. clockwise B. counterclockwise C. either clockwise or counterclockwise D. on a reel
右旋绳应该顺时针盘放。
3725 River currents tend to ______.
A. pick up speed(加快速度) where the channel widens 水道宽的地方速度快 B. run slower in the center of the channel 水道的中心速度慢 C. hug the inside of a bend 拥抱弯曲水道的内侧
D. cause the greatest depth of the water to be along the outside of a bend引起弯曲水道的外侧水最深
江河里的流速往往是：引起弯曲水道的外侧水最深
3724 Rivets are usually made of ______.
A. wrought-iron B. aluminum C. high-tensile steel D. mild steel
铆钉通常是由软钢制成的。
3723 Rolling is angular motion of the vessel about what axis? ______. A. Longitudinal B. Transverse C. Vertical D. Centerline
船舶的横摇是相对于哪个轴的角运动？纵轴
3722 RYTLX DD 5TH/4 HAVING CONTACTED HARBOUR OFFICE AND LOCAL SALVAGE COMPANY
WE WUD LIKE TO ADVISE TT, THEY ARE GLAD TO ASSIST YOU TO POSITION THE ANCHOR AND GET IT OUT OF WATER. This fax says that ______. A. they are glad to salvage the anchor 他们乐意去打捞锚。
B. the harbour office has been advised that the anchor has been gotten out of water C. the local salvage company can hardly salvage the anchor
D. both harbour and local salvage company will be contacted to salvage the anchor 3721 Safety equipment on board vessels must be approved by the ______.
A. Coast Guard B. Safety Standards Bureau
C. Occupational Health and Safety Agency(OSHA) D. National Safety Council
船上的安全设备必须经海岸警备队认可。
3720 Safety goggles护目镜 or glasses are not normally worn when ______.
A. using a rotary grinder with an installed shield B. letting go the anchor
C. handling wire rope or natural fiber line D. painting with a spray gun喷枪
当搬运钢丝绳或天然纤维绳时通常不用带防护眼镜。
3719 Safety is increased if ______.
A. extra line and wire are laid out on deck for emergency use B. all lashings are made up, and the decks are clean and clear C. power tools are kept plugged in for immediate use D. spare parts备件 are kept on deck for ready access存取
如果所有的加固都是作好的并且甲板是干净和清洁的，则安全性增加。
3718 Said cargo spaces having been cleaned in accordance with the Regulations of the United States Coast
Guard and the Code of Federal Regulations so far as applicable, and in accordance with the recommendations of the National Cargo Bureau, Inc. This wording is likely to appear in ______. A. certificate of cleanliness B. fumigation and gas free certificate
C. certificate of class D. international oil pollution prevention certificate
以上货舱应尽可能按联合国海岸警备队规定和联邦的规定进行清洁，并符合国家货物局的建议。这段话很可能出现在清洁证书中。
3717 Sea protest should be presented to ______.
A. emigration office B. the harbour master or port authority C. ship registers D. port captain
海事声明是提交给港务局长或港口当局的。
3716 Sea water temporarily pumped into tanks to simulate模拟 the increased vertical loading of environmental
forces is termed ______.
A. preload B. liquid variable load C. fixed load D. basic load
海水暂时大入压载舱模仿增加垂向力矩的术语是预压载
3715? Seasickness is caused by rolling or rocking motions which affect fluids in the ______.？？ A. stomach(胃) B. lower intestines C. inner ear(内耳) D. bladder
晕船是由于摇摆运动液体在 之中的作用。
3714 Seawater may be used for drinking ______.
A. at a maximum rate of two ounces per day B. after mixing with an equal quantity of fresh water C. if gathered during or immediately after a hard rain D. under no conditions
海水在任何情况下都不能饮用。
3713 Securing cargo by running timbers from an upper support down to the cargo, either vertically or at an
angle, is called ______.？？ A. braces B. dunnage C. shores D. toms
用移动的木料从上相下垂直或有一夹角的支撑进行加固货物叫 toms
3712 Seeing that all hands are familiar熟悉 with their duties, as specified in the muster list, is the responsibility
of the ______.
A. master B. chief mate C. safety officer D. department heads
所有的雇员全都按应急部署表的说明熟悉他们的职责这是船长的职责。
3711 Segregation of cargoes refers to ______.
A. separating cargoes so that(所以, 因要) the inherent characteristics of one cannot damage the other B. separating cargoes by destination
C. classifying cargoes according to their toxicity D. listing the cargoes in order of their flammability
货物的隔离是指因货物本身的性质不能损坏其他的货物而将货物分开。
3710 Semisubmersibles A and B are identical. However, A is more tender（稳性小的）than B. This means that A relative to B has a ______.
A. lower KG B. smaller GM C. smaller roll angle D. larger GZ
同样的自力推进的驳船A和B，然而驳船A的稳性比驳船B小。也就意味着驳船A相对于驳船B有较小的稳性。
3709 Separating both blocks of a tackle to prepare it for reuse is called ______. A. chockablocking摆满 B. fleeting C. overhauling D. two blocking
为了再使用分离滑车组中的滑轮作的准备叫拆修。
3708 Separation cloths may be used to ______.
A. absorb吸收 moisture from hygroscopic cargoes B. fill gaps between layers of cargo
C. wrap包，裹 cargo that leaks from packaging
D. keep bagged cargo leakage from contacting the deck
隔离用的布料能用用于货物泄漏而不接触甲板。
3707 Set运动的方向 of the current is ______.
A. its velocity in knots B. direction from which it flows C. estimated current D. direction towards which it flows
流的方向是指流去的方向。
3706 Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the
duties of the Coordinator Surface Search(CSS). Which of the following statements is true? ______. A. CSS duties are always assumed by passenger vessels, dry cargo vessels, or tankers in that order of precedence
B. The CSS must be established by mutual相互 agreement between the ships concerned C. A tank vessel should never be assigned CSS duties unless only tank vessels are present D. The first vessel to arrive at the distress incident is designated as the CSS
几条船舶到达遇险事件的现场，其中一船必须担任海面救助的协调指挥。以下哪个叙述正确？现场的协调指挥必须由有关船舶共同
协议确定的。
3705 Severe airway burns can cause ______.
A. nausea恶心 B. reddening变红 of cheeks颊
C. complete obstruction of respiratory passages D. nosebleed鼻出血
严重的呼吸道烧伤能够造成完全的呼吸道障碍。
3704 Severe exposure to chlorine gas氯气 can be fatal致命的. Chlorine gas is primarily a ______.
A. respiratory呼吸 irritant刺激 B. skin burning agent
C. blood poisoning中毒 agent D. nerve神经 paralyzing麻痹 irritant
氯气的严重泄露能够致命主要是因为氯气能够刺激呼吸道。
3703 Severe tropical cyclones (hurricanes, typhoons) occur in all warm-water oceans except the ______. A. Indian Ocean B. north Pacific Ocean C. south Pacific Ocean D. south Atlantic Ocean
强大的热带气旋通常发生在除南大西洋之外的热带洋面。
3702 Shell plating is ______.
A. the galvanizing on steel B. a hatch cover
C. the outer plating of a vessel D. synonymous with decking
船壳板是船舶外部的钢板。
3701?Shell plating that has curvature弯曲 in two directions and must be heated and hammered to shape over
specially prepared forms is called ______.
A. compound plate复合板 B. furnaced plate C. flat plate D. rolled plate
船壳板在两个方向上的弯曲必须加热并锤成形为非常精致的形状叫煅烧。
3700 Shifting weight aft in heavy weather will reduce the tendency to yaw, but may increase the tendency to
______.
A. be pooped B. pitchpole纵摇 C. broach打横 D. squat船尾下坐
在恶劣天气中向船尾移动货物将减少偏荡但可能增加尾淹。
3699 Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure ______.
A. all lighting circuits are energized B. all void spaces are filled
C. the correct grade of cargo has been loaded D. the heavier grade is in the lower hold
散装谷物船装满谷物后，船舶驾驶员应检查每一个货舱保证所有的空闲空间全部装满。
3698 Should alternative accommodation替代的居住设施 be situated at such a distance that transportation is
necessary, the company will either provide transport or ______ the cost thereof. A. pear B. bear C. dare D. care
如果临时的居住地有一段距离必须运输才能到达，则公司负责送到或负担由此产生的费用。
3697 Spontaneous combustion is caused by ______.
A. an outside heat source heating a substance until it ignites B. conduction of heat through a wall of material to the substance
C. chemical action within a substance D. All of the above
自燃是由于物质内部的化学反应造成的。
3696 Spontaneous ignition can result from ______.
A. rags soaked in linseed oil在亚麻子油中浸湿的抹布 B. overloaded electrical circuits超载了的电路 C. dirty swabs and cleaning gear脏的抹帚和清洁的齿轮 D. partially loaded fuel tanks部分装载的燃料舱
在亚麻子油中浸湿的抹布能产生自燃。
3695 Spontaneous ignition(自燃) can result from ______. A. an unprotected drop-light bulb电灯泡 一个没有灯罩的吊灯 B. careless disposal or storage of material 粗心的处理或储藏材料
C. smoking in bed D. worn electrical wires on power tools电动工具上用旧的电线
粗心的处理或储藏材料能造成自燃
3694 Spreading oil on the open sea has the effect of ______. A. diminishing the height of the seas 减少海浪的高度 B. lengthening the distance between successive crests 延长波长
C. increasing the height of the seas 增加海浪的高度 D. preventing the wave crests from breaking
在公海上撒布油的作用是：避免波浪到达波峰时破裂
3693 Stability is determined principally by the location of the center of gravity and the ______. A. aft perpendicular B. center of buoyancy C. keel D. center of flotation
船舶稳性主要是由船舶重心的位置和船舶的浮心位置决定的。
3692 Stability is determined principally by the location of the point of application of two forces: the