狭水道与冰区航行.doc

08.4 狭水道、冰区与运河航行目录82301Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should _.A. back your engines B. stop your engines and driftC. answer with one prolonged blast D. sound the danger signalKEY: C你船正在接近一个湾头。在湾头附近你听到一长声。你应回答一长声。同原题库00022302The principal danger from ice collecting on a vessel is the_.A. decrease in capabilities of radar B. decrease in displacement C. adverse effect on trim D. loss of stabilityKEY: D船上结冰的最大危险是稳性损失。2303Which will most likely occur when entering shallow water?A. Rudder action will become more effective. B. The vessels list will change.C. The vessels trim will change. D. An increase in speed will occur.KEY: C当船舶进入浅水时，什么将最可能发生？船舶的吃水差将变化2304You are on an ice-reinforced vessel about to enter pack ice. You should _.A. enter the pack on the windward side where there is a well defined ice edge-边缘明显的上风一侧B. trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcementC. take maximum advantage of coastal leads caused by offshore windsD. look for areas of rotten ice and enter perpendicular to the ice edgeKEY: D你所在的冰区加强船将要进入浮冰群。你应寻找蜂窝冰的区域并垂直于冰的边缘进入。2305A flashing green light displayed at a single lock means that the lock is _.A. ready for entrance B. ready for entrance，but gates cannot be closed completelyC. being made ready for entrance D. not ready for entranceKEY: A单一船闸上显示的闪绿灯光意味着船闸已经准备好进入。2306A flashing red light displayed at a single lock means that the lock _.A. is ready to use but vessels must stand clear B. is ready to use and vessels may approachC. cannot be made ready immediately and vessels shall stand clearD. cannot be made ready immediately but vessels may approachKEY: C单一船闸上显示的闪红灯光意味着船闸不能立即准备好并且船舶应让开。2307A SEA ROOM TO BE KEPT FOR SAFETY AROUND A VESSEL，ROCK，PLATFORM，ETC.，OR THE PLACE ASSIGNED TO A VESSEL WHEN ANCHORED OR LYING ALONGSIDE A PIER，ETC means _.A. Port B. Commercial area C. Berth D. RoadsteadKEY: C为船舶，岩石，平台等或当船舶锚泊或靠码头时指定给船舶的宽广海面意思是停泊处。2308A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing? 同原题库1649A. Shift weight to the bow B. Shift weight to the center of the boatC. Shift weight to the stern D. Throw excess weight overboardKEY: C发生一种情形致使你船有被拖带的需要。你应采取什么措施以防止艏摇？移动重量到船艉2309A stream of water immediately surrounding a moving vessels hull，flowing in the same direction as the vessel is known as _. 同原题库3526A. directional current方向流 B. forward current正向电流C. propeller current推进器尾流 D. wake currentKEY: D一股直接围绕于运动的船体，流向与船的运动方向一致的水流被称为尾流（伴流，迹流）。2310A stretch where the channel changes from one side of the river to the other is called a _.A. crossing B. transit C. transfer D. passingKEY: A航道自河的一边改变到另一边的一段距离叫做横越。 2311A strong back refers to a _. 同原题库2608A. bar securing a cargo port B. centerline vertical bulkhead-垂直舱壁中心线C. deep beam-加强横梁 D. spanner stay-两吊杆柱之间的横牵缆KEY: A强力背板指的是加固舷侧装货门的材料。2312A tide is called diurnal when _. 同原题库3520A. only one high and one low water occur during a lunar dayB. the high tide is higher and the low tide is lower than usual高低潮高比平常的更高和更低C. the high tide and low tide are exactly six hours apart高低潮之间精确相差6个小时D. two high tides occur during a lunar day在一个太阴日内发生两个高潮KEY: A在一个太阴日（约24时50分太阳时）内仅发生一次高潮和一次低潮的潮汐叫全日潮。2313A tow that veers to the side on the end of the towline is said to _.A. yaw-偏航，（船）首摇 B. surge-（船舶）纵荡 C. sway-摇动，横荡 D. swing-摇摆，摆动回转KEY: A在拖缆末端转向一侧的拖带表达为偏航。2314A towboat has the same draft as the barges it is pushing ahead. If the distance from the stern of the towboat to the head of the tow is 260m，where is the approximate location of the pivot point of the unit?A. At the head of the tow B. 75m from the head of the towC. 120m from the head of the tow D. 180m from the head of the towKEY: B一艘拖轮与由其顶推的驳船具有相同的吃水。从拖轮尾部到拖带船的首部的距离为260米，则该单元的旋转点大约在什么位置？距拖带首部75米处（距船首1/3到1/4船长处）2315A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is _. xxhA. tow strain B. catenary length C. being in step-齐步走，步调一致地 D. Williamsons TowKEY: C在拖带处于浪谷的同时拖轮将处于波浪的浪尖。用于描述的术语为？2316A tugs horsepower available at the shaft is _.A. indicated horsepower-额定马力，指示马力 B. brake horsepower-制动功率C. dynamic horsepower-净实马力，输出功率 D. net horsepower-净马力，有效功率KEY: B在拖轮传动轴上可利用的功率是制动功率。2317A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way?A. The vessel moving upstream against the current B. The vessel moving downstream with a following currentC. The vessel located more towards the channel centerline D. The vessel with the least amount of maneuverabilityKEY: B一艘正在西方河狭水道向下航行的船舶当他看见另一艘向上游航行的船时，哪一艘船具有优先权？顺流向下有航行的船2318A vessel proceeding along a narrow channel shall _. 同原题库1629A. avoid crossing the channel at right angles B. not overtake any vessels within the channelC. keep as near as safe and practicable to the limit of the channel on her starboard sideD. when nearing a bend in the channel，sound a long blast of the whistleKEY: C沿着狭水道航行的船舶应安全可行地靠近航道的右侧航行。2319A vessel proceeding along the bank of a river or channel has the tendency to _.A. continue in line with the bank-继续与岸边成一直线 B. hug the bank-靠近岸边C. sheer away from the bank D. increase speed-速度增大KEY: C沿着河岸或航道航行的船舶具有转向离开岸边的趋势。2320A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the _ limit of the channel or fairway which lies on her _ side as is safe and practicable.A. inner，port B. inner，starboard C. outer，port D. outer，starboardKEY: D沿狭水道或航道行驶的船舶，只要安全可行，应尽量靠近其右舷的该水道或航道的外缘行驶。2321A vessel proceeding along the course of a narrow channel shall keep as near to the outer limit of the channel which lies on her starboard side as it is safe and practicableWhich one of the followings does the statement express？A. A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable.B. A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable.C. A vessel shall avoid proceeding along the channel because it is not safe and practicable.D A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable.KEY: D沿狭水道或航道行驶的船舶，只要安全可行，应尽量靠近其右舷的该水道或航道的外缘行驶。以下哪一个是陈述的表达？船舶应沿着狭水道安全可行的右舷外缘航行2322A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the _.A. vessels horsepower B. sea state C. number of propellers D. vessels displacementKEY: D船舶在没有倒车的情况下减速。其通过水面的速度减少率主要取决于船舶的排水量。2323A vessel shall be deemed to be overtaking when she can see at night _. 同原题库0428A. only the sternlight of the vessel B. a sidelight and one masthead light of the vesselC. only a sidelight of the vessel D. any lights except the masthead lights of the vesselKEY: A在夜间，当她仅能够看到他船的艉灯时应被认为处在追越中（答案不恰当）2324A vessel shall slacken her speed，stop，or reverse her engines，if necessary，to _.A. avoid collision B. allow more time to assess the situationC. be stopped in an appropriate distance D. All of the aboveKEY: D假如必要，船舶应减速，停车，或倒转主机以避免碰撞，以获得更多的时间估计局面，在适当的距离内停住 同原04252325A vessel showing a rigid replica of the International Code flag A is engaged in _.A. diving operations B. dredging C. fishing D. mine clearance operationsKEY: A显示国际信号字母A旗的刚制复制品的船舶是在从事潜水作业的船。2326A vessel the passage of which is not to be impeded _ to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.A. remains fully obliged B. has no obligation C. is not necessarily D. is exemptedKEY: A当两船相互接近致有碰撞危险时，其通过不得被妨碍的船舶仍有完全遵守本章各条规定的责任。2329All persons or vessels within the lock area，including the lock approach channels，come under the authority of the _.A. dockmaster B. dock captain C. lockmaster D. lock foremanKEY: C船闸区域内的所有人员或船只，包括通往船闸的航道都受闸门监视人的权利控制。2330An alternating light _.A. shows a light with varying lengths of the lighted period B. shows a light that changes colorC. marks an alternate lesser-used channel D. is used as a replacement for another lightKEY: B变色光（互光）显示变化的灯光。2331An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show?A. Three all-round red-white-red lights in a vertical line and anchor lightsB. Three all-round red-white-red lights in a vertical line ONLYC. Anchor lights ONLY D. Anchor lights and sidelights ONLYKEY: A一艘抛锚船正在维修助航设施并其操纵能力受到限制。她应显示哪些灯光？垂直三盏红白红环照灯和锚灯（操限船）。2332Any vessel shall，if the circumstances of the case admit，avoid _ in a narrow channel.同原题库0382A. anchor B. to anchor C. anchoring D. to anchoringKEY: C任何船舶，如当时环境许可，都应避免在狭水道内锚泊。冰区航行2327A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by _.A. displaying code letter Y (Yankee) B. sounding five short blasts on his whistleC. displaying code numeral 5 D. sounding one prolonged blast on his whistleKEY: A处于破冰船协助中的船舶当其准备好解脱拖缆时应以信号Y旗表示。2328A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel _.A. speed begins to drop B. stops C. receives ice damage D. becomes iceboundKEY: D处于破冰船协助中的船舶当其被冰困时将显示一个升起的数字信号旗4。2333Before entering an ice area，the ship should be _. 同原题库3867A. either trimmed by the head or the stern B. on an even keelC. trimmed down by the head D. trimmed down by the sternKEY: D进入冰区前，船舶应调整为尾倾。2334For operations in pack ice，a vessel should _. A. be on an even keel B. be trimmed slightly by the headC. have a drag of not more than 60 - 90 centimeters D. be ballasted so the forefoot is near the surfaceKEY: C在浮冰群中操作，船舶应具有的流锚不得超过60-90厘米。2335Ice blink is _. A. the dark appearance of the underside of a cloud layer due to reflection of a surface of open waterB. the soft light appearance on the underside of a cloud layer due to reflection from a surface of open waterC. the yellowish-white glare on the underside of a cloud layer D. water sky-水照云光KEY: C冰映光是云层下部黄白色的水平线冰反光。2336If a tow sinks in shallow water，you should _.A. release it immediately B. attempt to beach it before it goes underC. pay out cable until its on the bottom and place a buoy on the upper end D. shorten cable to keep it off the bottomKEY: C假如被拖船在浅水中沉没，你应松出缆绳直到其到达海底并在其上末端置上浮标。2337If the situation arose where it became necessary to tow a disabled vessel，which statement is TRUE concerning the towing line?A. The towing line between the two vessels should be clear of the water.B. The towing line should be taut at all times between the vessels.C. There should be a catenary so the line dips into the water. D. None of the aboveKEY: C如果情形导致变得有必要去拖带一艘失去动力的船，关于拖缆哪一句是真的？那必须有一定浸入水中的悬垂量2338In most cases，when a large merchant vessel enters shallow water at high speed the _.A. maneuverability will increase B. speed will increaseC. bow will squat farther than the stern D. vessel will rise slightly，on a level planeKEY: C在大多数情况下，当一艘大型的商船以高速进入浅水区域时，船首下沉量大于船尾下沉量。2344The proximity of pack ice may be indicated by _.A. changes in seawater salinity-海水盐度的变化 B. glare on clouds on the horizonC. changes in air temperature-空气温度的改变 D. icebergs-冰山KEY: B大块浮冰群的接近可以通过地平线上云朵的眩光而被显示。2345Topside icing decreases vessel stability because it is usually off-center and _.A. increases displacement B. increases the height of the center of gravityC. increases draft D. reduces the pocketing of free surfaceKEY: B水线以上的结冰减少船舶稳性因为它通常偏离中心且提高重心高度。2346Topside icing decreases vessel stability because it increases _.A. displacement B. free surface C. draft D. KGKEY: D水线以上的结冰减少船舶稳性因为它增加了KG值。2347Topside icing that blocks freeing ports and scuppers _.A. is usually below the center of gravity and has little effect on stabilityB. will cause water on deck to pocket and increase stabilityC. may decrease stability by increasing free surface effect due to water on deckD. increases the effective freeboard and increases the wind-heel affectKEY: C水线以上的结冰堵塞排水孔，而由于甲板上水的自由液面增加的影响而减少稳性高度。2349When operating in an area where sea ice and icebergs are present，which statement is TRUE?A. Icebergs may travel in a direction many degrees different from the sea ice.B. Both icebergs and sea ice will move in approximately the same direction and at the same speed.C. Icebergs and sea ice will move in the same direction，but at different speeds due to the sail effect of the berg.D. Icebergs and sea ice will move in the same direction，but the iceberg will move slower because of its underwater bulk.KEY: A当在海冰和冰山出现的区域里操纵时，哪一句是正确？冰山漂移的方向与海冰漂移的方向可能有许多度的差异。2366Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?A. Greenish B. Bluish C. Grey D. Grey-whiteKEY: B陈年冰是最坚硬的海冰并应尽可能被避免。由于其表面颜色带蓝色的色调而使其可辨认。狭水道航行2339In order to reduce your wake in a narrow channel you should _. A. apply enough rudder to counter the effect of the current B. change your course to a zigzag courseC. reduce your speed D. shift the weight to the sternKEY: C在狭水道中为了减少你船的伴流你应减速。2340In selecting a tug for moving a vessel，consideration should be given to its _.A. indicated horsepower，bollard pull，and displacement B. indicated horsepower，maneuverability，and displacementC. indicated horsepower，bollard pull，and maneuverability D. Bollard pull, displacement, and maneuverabilityKEY: D在选择拖轮协助操船时，静拖力，排水量和操纵性能必须被考虑。2341On a single-screw vessel the stern frame _， A. furnishes support to the rudder，propeller shaft，and transom frame B. provides foundations for after mooring winchesC. provides foundations for the main propulsion engines D. transfers the driving force of the propeller to the hullKEY: A单螺旋桨船的船尾构架给舵，螺旋桨传动轴和尾肋骨提供支撑。2342On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put _.A. one engine ahead and one engine astern，with full rudderB. one engine ahead and one engine astern，with rudders amidshipsC. both engines ahead，with full rudder D. both engines astern，with full rudderKEY: A对于双车双舵船，在水中船不前进最有效地转动你船的方法是一车进一车退，并满舵 2343Small floes of rough，hummocky sea ice capable of damaging a vessel _.A. can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometersB. are indistinguishable from sea return on the PPIC. are invisible to radar when covered with a thick layer of snowD. are usually seen at night before they are close enough to provide a radar echoKEY: A少数能够损坏船舶的粗糙圆丘般的海冰通常在4到6公里的平静海面能够被雷达探测到。2348Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel?A. Your speed will significantly increase. B. Your draft will significantly decrease.C. Your bow will sheer towards the other vessel. D. Your bow will sheer away from the other vessel.KEY: C两船在限制水域里并排并且左对左通过。当你船船首接近他船螺旋桨时你将预期到什么？你船船首将向他船偏（航）转2350When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat _A. prevent the towboat from sliding when the rudder is moved B. prevent the barges from spreading out when backing downC. hold the towboat securely to the barges D. prevent the sidewise movement of the face bargesKEY: B当进行船首顶推时，钢索线从后面外舷的驳船尾部引到拖船的船首部以防止当其倒车时驳船散开。2351As the weather was worsening and wind force rising to 8，my vessel _ were yawing within forty degrees of the compass. A. alongside the wharf-靠码头 B. grounded in the channel-搁浅 C. at buoys-系浮筒 D. at anchorKEY: D当天气恶化并风力增强到8级，锚泊中的我船艏摇达40度。2352At that time my ship and others were _ within 40 degrees of the compass.A. yawing B. moving C. turning D. pitchingKEY: A那时我船和其他船偏航角在罗经上达40度。2353A vessel is tide rode when it is _. A. carrying extra rudder to compensate for the current B. necessary to adjust the course steered to allow for the currentC. at anchor and stemming the current D. being forced off of a pier by the hydraulic effect of the currentKEY: C顶流锚泊。2354A vessel will NOT show sidelights when _.A. underway but not making way B. making way，not under commandC. not under command，not making way D. trolling underway KEY: C船舶失去控制且不对水移动时将不显示舷灯2355A vessel with a large GM will _. A.