全国海船船员11新规则考试（轮机部（轮机英语））试题及答案（三）

1、试题下载 全国海船船员11新规则考试（轮机部（轮机英语）试题及答案（三）第一部分 船舶主推进装置第三章 船舶推进装置1.wear occurring at the tips of the reduction gear teeth is usually the result of( ).a.surface fatigueb.fretting corrosionc.heavy overloadingd.gear misalignment答案：d解析：tip：尖端，倾斜；fatigue：疲劳；fretting：磨损；corrosion：腐蚀；misalign-ment：不对中【译文】：发生在减速齿轮

2、轮齿顶部的磨损，通常是因为齿轮对中不良引起的。2.when the vessel shafting is installed, the slightly inclined of the shaft line should be rectified by( ).a.adjusting the position of the intermediated bearingb.changing the piston of the main engine installationc.adjusting the center line of the propellerd.changing the pisto

3、n of thrust block答案：a解析：slightly:轻微地；incline:倾斜；rectify:矫正；adjust：调整；intermediate：中间【译文】：在安装船舶轴系时，轴线的轻微倾斜可通过调整中间轴承的位置来矫正。3.in the navigation.( )cause the shafting over load most easily.a.stopping the main engine suddenlyb.changing the main engine running direction suddenlyc.the sailing from the shal

4、low water area to the deep water aread.the ships trim too much答案：b解析：navigation：导航，航海；sail:航行，开行；shallow：浅的；trim:调整，首尾吃水差【译文】：航行中，突然改变主机转向最容易引起轴系过载。4.according to the robinsen graph, suddenly astern maneuvering of main engine during navigating will cause( ).a.rapid reduction of ships friction forceb

5、.shafting mechanical overloadedc.sharp growth of the torque of diesel engined.propeller torque change along j=0 curve答案：b解析：graph：图；sharp：锋利的，急剧的；torque：扭矩；curve：曲线【译文】：按照鲁宾逊曲线图，在航行中突然对主机进行倒车操作会引起轴系超机械负荷。5.generally, runaway means such situation when the main engine speed exceeds the rating speed by

6、 its( ).a.10%b.15%c.20%d.5%答案：b解析：runaway：飞车；exceed：超过【译文】：通常主机转速超过额定转速的15%即是飞车。6.if anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty shoulda.stop main engine immediatelyb.ask the captain and the c

7、hief engineers permission for stopping the enginec.initiatively inquire the bridge for the situationd.stop engine and inform bridge答案：c解析：abnormal：异常；shallow：浅的；initiatively：主动；inquire：询问【译文】：当船舶进入浅水道航行时，如果主机在负荷变化方面发生不正常情况，值班轮机员在采取措施前应主动向驾驶台询问情况。7.if keep the injection of main engine unchanged when

8、ship is fouled, that will cause( ).the speed of main engine to be reduced;.ship speed to be reduced;.the resistance to be increased; iv.trim at stern to increase.a.+b.c.d.+答案：c解析：foul：堵塞；trim：调整，首尾吃水差【译文】：当船体受污染时，保持喷油量不变将会导致主机转速下降、船速下降、螺旋桨阻力矩增大且尾吃水增大。8.the load limitation of governor should be reduc

9、ed when ship navigating in rough sea, and the main reason is to( ).a.prevent the diesel engine surgingb.prevent governor form being damaged because of swingc.reduce the probability of the crank shaft being torsional vibratedd.prevent the main engine being over load or over speed答案：d解析：governor：调速器；n

10、avigate：导航，航海；rough：粗糙的，暴风雨的；surge：喘振；form：形成；swing：摇摆；probability：可能性；torsional：扭转的；vi-brate：振动【译文】：调速器的负荷限制在恶劣海况时必须下调，主要原因是防止主机过载或超速。9.we have stayed at shanghai port for a long time.the fouling on the ships hull greatly increases her( ).a.powerb.speedc.resistanced.thrust force答案：c解析：foul：堵塞；hull:

11、船体【译文】：我们在上海港已经停留很长时间。船体上的脏污大大增加了它的阻力。10.when a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.due to the function of the governor, the main engine will( ).a.reduce fuel feedingb.increase fuel feedingc.keep original fuel feedingd.be over spe

12、ed答案：b解析：shallow:浅的；governor：调速器；feed：供给；original：原始的，最初的【译文】：船舶进入浅水区时，船舶阻力将会增大且主机转速下降。由于调速器的作用，主机的喷油量将会加大。11.when a ship is fully loaded, it needs to prevent the main engine to be( ); while a ship is fully empty, it needs to prevent the main engine to be( ).a.over speed / overloadb.overload / over

13、speedc.over mechanical load/ over thermal loadd.over torque/ over speed答案：b解析：thermal：热的；torque：扭矩【译文】：船舶满载时需防止主机过载，船舶空载时需防止主机超速。12.when ship is entering to a narrow waterway and the fuel feeding of main engine is keeping unchanged.which of the following is the wrong conclusion?( )a.the power of mai

14、n engine will be reducedb.exhausting temperature will be increasedc.the speed of ship will be reducedd.the propulsion characteristic of propeller will keep unchanged答案：d解析：feed：供给；conclusion：结论；characteristic：特征，特有的【译文】：当船舶在狭水道航行时保持主机的喷油量不变，由于主机功率下降，船速下降，螺旋桨的推进特性也会改变。13.when ship is fouled, increasi

15、ng the fuel injection for keeping the normal speed will cause the main engine( ).a.to work as overload characteristicb.over speedc.over mechanical load onlyd.over thermal load only答案：a解析：foul:堵塞；characteristic：特征，特有的；thermal：热的【译文】：当船体污染时，加大喷油量来保持正常船速，将会导致主机以过载特性工作。14.when ship navigating in rough s

16、ea, the first measure taken by the chief engineer to prevent the overload should be( ).a.cleaning fuel oil, lubricating oil and seawater filterb.reducing fuel feeding of the main engine appropriately or reducing the pitch angle of propellerc.using low sea chestd.closing the skylight and the ventilat

17、ion opening, which doesnt affect the normal work of equipments答案：b解析：navigate：导航，航海；rough：粗糙的，暴风雨的；feed：供给；appropriately：适当地；pitch：螺距，节圆(齿)；angle：角；skylight：天窗；ventilation：通风；affect：影响【译文】：在恶劣海况条件下航行，为了防止过载，轮机长必须采取的首要措施是适当减少主机的喷油量或适当减少螺旋桨的螺距角。15.when the ship navigating in rough seas, the correct op

18、eration is( ).a.navigating with a low diesel engine speedb.navigating with a stable diesel engine speedc.increasing the efficiency of propellerd.increasing fuel injection答案：a解析：navigate：导航，航海；rough：粗糙的，暴风雨的；stable：稳定的；efficiency：效率【译文】：在恶劣海况条件下航行时，正确的操作是以较低的主机速度航行。17.which of the following statement

19、s is correct concerning available astern power for diesel main propulsion systems?( )a.astern power is to be provided in a sufficient amount to secure proper control of the ship in all normal circumstances.b.the astern power of the main propelling machinery is to provide for continuous operation ast

20、ern at 60 % of the ahead rpm at rated speed.c.for main propulsion systems without reversing gears, controllable pitch propellers or electric propulsion drive, running astern is not to lead to overload conditions.d.astern power available will be equal to ahead power when controllable pitch propellers

21、 are utilized, thus discounting the need for increased operating parameters.答案：a解析：available：可用的；secure：安全的，固定，封停(炉)；circumstance：情况，环境；pitch：螺距，节圆(齿)；utilize：利用；parameter：参数【译文】：倒车功率必须能够提供足够的功率以确保在各种正常情况下对船舶进行适当的控制。18.while a ship with twin screw is making a turn, in order to prevent overload, the

22、duty engineer should( ).a.reduce the fuel feeding of main engine of inner propellerb.reduce the fuel feeding of main engine of outer propellerc.firstly reduce the fuel feeding of main engine of inner propeller, then reduce the fuel feeding of engine of outer propellerd.reduce fuel feeding of two eng

23、ines at the same time答案：d解析：twin：成双的；feed：供给；lnner：内部的【译文】：双桨船舶在转弯时，为避免主机过载两台主机应同时减少喷油量。19.if your vessel burns 8 tons of fuel per hour at 15 knots, how many tons per hour will it burn at 18 knots?( )a.13.82 tonsb.15.61 tonsc.16.00 tonsd.16.37 tons答案：a解析：20.when two medium speed diesel engines coupl

24、ed in parallel to a common propeller shaft that operates at the same speed as the engines, which of the operating conditions listed will apply?( )a.full horsepower is available ahead and astern.b.one engine must be running ahead and the other astern.c.full reversing torque is not available.d.mechani

25、cal reduction gearing is required.答案：d解析：coupled in parallel：平行耦合，平行联轴；reversing torque：扭转力矩；me-chanical reduction gearing：机械减速装置【译文】：当两台中速柴油机并排连接到同速运转的普通螺旋桨轴上时，需要机械减速装置。21. a.eedi/smcrb.sfoc/eedic.smcr/eedid.smcr/sfoc答案：c解析：第二部分 船舶辅助机械第一章 船用锅炉22.in a( )boiler the water flows through the inside of t

26、he tubes while the hot gases pass around the outside.a.water-tubeb.fire-tubec.exhaust gasd.none of the above答案：a解析：water-tube：水管；fire-tube：火管【译文】：在水管锅炉中，水在管子内流动，而高温的燃气在管子外流动。23.in a( )boiler the hot gases from the furnace pass through the tubes while the water is on the outside.a.water-tubeb.fire-tu

27、bec.exhaust gasd.none of the above答案：b解析：furnace：炉膛【译文】：在火管锅炉中，来自炉膛的高温燃气在管子内流动，而水在管子外流动。24.safety valves on a boiler vent to the( ).a.fuel tankb.bilgec.atmosphered.auxiliary exhaust line答案：c解析：vent:给一个出口，在上开孔【译文】：锅炉的安全阀通大气。25.diesel engine waste heat boiler construction is usually of the fire-tube o

28、r( ).a.cyclone furnace boiler typeb.dry back boiler typec.water-tube typed.critical circulation boiler type答案：c解析：waste heat boiler:废热锅炉【译文】：柴油机废热锅炉的结构通常为火管锅炉或水管锅炉。26.circulation in a water-tube boiler is caused by the difference in the( ).a.length of the water-tubesb.densities of the circulating wa

29、terc.heights of the boiler drumd.angle of inclination of the tubes答案：b解析：density:密度【译文】：水管锅炉的水循环是由于循环水密度不同造成的。27.the steam drums installed in d type boilers serve to provide( ).a water reserve necessary for proper boiler operation;.an area for steam and moisture to separate.a. onlyb. onlyc.both and

30、d.neither nor 答案：c解析：reserve：保留；moisture：湿气，水分【译文】：d型水管锅炉的汽包用于：为了锅炉的正常运行而储水；汽水分离。28.in a water-tube boiler, circulation is developed by the difference in the( ).tube length and various diameters; .densities of the hot and cold water.a. onlyb. onlyc.both and d.neither nor 答案：b解析：circulation:循环【译文】：水管

31、锅炉中的水循环是由冷热水密度不同形成的。29.down-comers installed in water-tube boilers function to( ).a.distribute feed-water within the water drumb.decrease the end point for moisture carryoverc.cool the tubes adjacent to the burnet throatsd.ensure proper circulation to the water wall headers答案：d解析：down-comer：下降管；wate

32、r wall header水冷壁联箱【译文】：水管锅炉的下降管用于确保水冷壁联箱的正常水循环。30.a water-tube type boiler is more efficient than a fire-tube type boiler as ( ).a water-tube boiler requires less maintenance; .the water-tube boiler produces more pounds of steam per pound of boiler.a. onlyb. onlyc.both and d.neither nor 答案：b解析：effic

33、ient:有效【译文】：水管锅炉相比火管锅炉效率更高，因为相同质量的水管锅炉能产生更多质量的蒸汽。31.which of the following statements concerning the water-tube and fire-tube boilers is not true?( )a.natural circulation of the water in the water-tube boiler is better than that in the fire-tube boiler.b.for the same output, the water-tube boiler wi

34、ll carry less mass of water compared with the fire-tube boiler.c.the water-tube boiler will cost shorter time for steam raising.d.the water-tube boiler requires lower skill in operating and maintaining.答案：d解析：natural circulation：自然循环；steam raising：升汽；skill:技能【译文】：水管锅炉因其蓄水量小、除垢、汽压、水位等特点需要更高的操作和维护保养技术

35、。32.in a coil-type forced circulation auxiliary water-tube boiler, ( ).a.steam demand response is comparatively rapidb.steam is re-circulated through heating coils in the boilerc.un-evaporated feed-water is discharged through the skim tubed.steam demand response is slow答案：b解析：coil-type：盘管式；steam dem

36、and response：用汽需求反应；comparatively：比较地，相当地【译文】：在盘管式强制循环辅锅炉(水管锅炉)中，蒸汽再次循环入锅炉内的加热盘管。33.in readying an auxiliary water-tube boiler for a routine hydrostatic test, which of the following procedures should be undertaken prior to filling the boiler with fresh water?( )a.the safety valve escape piping shoul

37、d be disconnected from the valve body and a blank inserted.b.the boiler vent valves should be opened.c.all hand hole/manhole covers should be tightened up as much as possible to preclude any leaks.d.all of the above.答案：b解析：hydrostatic test：水压试验；vent valve：放气阀【译文】：准备对辅助水管锅炉进行例行的水压试验，在注入淡水之前，首先应打开锅炉的放

38、气阀。34.fusible plugs are installed in fire-tube boilers to( ).a.provide a means of draining the boilerb.warn the engineer of low water levelc.cool the crown sheet at high firing ratesd.open the burners electrical firing circuits答案：b解析：fusible plug：易熔塞；fire-tube boiler火管锅炉【译文】：火管锅炉中安装易熔塞，用于向轮机员发出低水位报警

39、。35.waterside scale in a fire-tube boiler may cause( ).a.increased heat transferb.fireside erosionc.high steam demandd.overheated tubes答案：d解析：scale:水垢【译文】：火管锅炉水侧结垢，会引起管子过热。36.which of the following statements concerning fire-tube boilers is correct?( )a.combustion gases flow through the tubes.b.flam

40、es impinge on the tubes.c.combustion occurs in the tubes.d.water flows through the tubes.答案：a解析：fire-tube boiler：火管锅炉【译文】：关于火管锅炉，高温燃气在管内流动。37.a firebox explosion in an automatically fired auxiliary boiler may be the result of( ).a.excessive purging before lighting offb.insufficient trail for ignitio

41、n periodc.a faulty transformer in the ignition circuitd.insufficient purging before lighting off答案：d解析：firebox explosion：炉膛爆炸【译文】：自动辅助锅炉炉膛爆炸可能是由于点火前扫气不充分造成的。38.the purpose of the programmed purge cycle on an automatically fired auxiliary boiler is to( ).a.cool the furnace to prevent pre-ignitionb.re

42、move explosive vapors from the furnacec.evaporate accumulated unburned fuel oild.provide sufficient air in the furnace to allow ignition of the fuel答案：b解析：purge：扫风；explosive：爆炸性的【译文】：自动辅助锅炉的程序预扫风目的是驱除炉膛中的爆炸性气体。39.heavy soot accumulations in an auxiliary boiler could be caused by( ).a.water in the.fu

43、el oilb.excessive cyclingc.high fuel oil pressured.improper burner maintenance答案：d解析：soot：炉灰【译文】：燃烧器维护保养不正确可导致辅助锅炉大量灰尘堆积。40.which of the following procedures decreases the total dissolved solids concentration inthe water of an auxiliary boiler?( )a.hydrazine treatment of condensateb.frequent compoun

44、dingc.chemical cleaningd.bottom blowing答案：d解析：total dissolved solids：总溶解固体量(tds)【译文】：下排污能够减少辅助锅炉水中总溶解固体量。41.the water in an auxiliary boiler should be chemically tested daily for alkalinity and( ).a.soap hardnessb.nitrogen contentc.chloride contentd. 答案：c解析：chloride：氯【译文】：对辅助锅炉的给水，应每天化验氯含量。42.which

45、of the following actions should normally be taken during each watch when the auxiliary boilers are in operation?( )a.clean the flame scanner photocell windowb.inspect and clean all solenoid valvesc.lift the safety valves by handd.inspect for oil or water leaks答案：d解析：normally：正常地；watch：值班【译文】：在辅助锅炉运行

46、中应及时检查是否存在油和水的漏泄。43.the boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the ph recommended by the boiler manufacturer to( ).a.precipitate silica from solutionb.reduce corrosion in the heating coilc.prevent clogging and erosion in the coild.maintain zero water hardness

47、答案：b解析：coil-type：盘管式；alkalinity：碱性【译文】：盘管式辅助锅炉的炉水碱性应保持在锅炉制造商建议的ph值上，其目的是减少加热盘管的腐蚀。44.in the event of a flame failure in an auxiliary water-tube boiler, you must( ).a.relight the boiler immediately to prevent loss of steam pressureb.relight the fire off the brickwork as the bricks are cherry redc.pur

48、ge the furnace of any combustible gases before attempting to relight the fired.speed up the feed pump to prevent dry firing when the burner flame is reestablished答案：c解析：purge：吹扫；relight：再次点火【译文】：为了防止辅助锅炉点火失败，在再次点火前必须将炉膛内的燃烧气体吹扫干净。45.a burner responsible for producing black smoke in an automatic auxi

49、liary boiler, would be caused by a( ).a.defective solenoid valveb.dirty fuel nozzlec.grounded high tension leadd.faulty ignition cable connector答案：b解析：nozzle：喷嘴【译文】：自动辅助锅炉燃烧器冒黑烟可能是由于燃油喷嘴过脏造成的。46.the correct procedure for giving an auxiliary boiler a bottom blow, is to begin( ).a.when the boiler has

50、been secured long enough for most solids to settleb.when the boiler has been cooled to ambient temperaturec.only after raising the water level to within 0.5 inch of the high water cutout onlyd.after bypassing the low pressure答案：a解析：bottom blow：下排污；secure：停炉【译文】：辅助锅炉进行下排污操作的正确程序是在锅炉已停炉足够长时间且大多数固体沉淀之后

51、。47.a smoking burner with a pulsating flame in auxiliary boiler, is an indication that thea.fuel oil supply temperature is normalb.burner electrode is incorrectly positionedc.fuel/air ratio is incorrectd.ignition current is too low答案：c解析：pulsating：跳动；fuel/air ratio：风油比【译文】：风油比不正确会造成辅助锅炉燃烧器冒烟，火焰跳动。48

52、.a distorted furnace in a fire-tube auxiliary boiler may be the result of( ).a.firing for extended periods in the low fire modeb.overheating, due to waterside depositsc.varying the water level above the crown sheetd.carrying excessive alkalinity in the boiler water答案：b解析：distorted：变形【译文】：火管辅助锅炉炉膛变形可

53、能是由于水侧沉积物导致过热造成的。49.the water level of an exhaust gas boiler which is independent of the auxiliary boiler and just as the extra heating surface of it( ).a.will be modulated in proportionb.will be modulated in proportion and integralc.will be modulated in proportion and differentiald.will not be modu

54、lated at all答案：d解析：extra:附加的；modulate：调节【译文】：独立于辅助锅炉并作为其附加受热面的废气锅炉的水位不用任何调节。50.the fuel oil supply system to an automatic auxiliary boiler, will automatically shutdown if the boiler( ).a.steam demand is highb.salinity is highc.safety valve simmersd.burner flame is extinguished答案：d解析：shutdown：关闭；exti

55、nguish：熄灭【译文】：如果将燃烧器火焰熄灭，自动辅助锅炉的燃油供应系统会自动关闭。51.the flame safeguard control system of a large automatic auxiliary boiler will provide fuel shut off in the case of high( ).a.waterb.voltagec.fuel pressured.steam pressure答案：d解析：safeguard：保护【译文】：大型自动辅助锅炉的火焰保护控制系统在蒸汽压力变高时会切断燃油供应。52.the purpose of a temper

56、ature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner( ).a.in the event of a flame failureb.in the event of a stack firec.when the water level reaches the crown sheetd.when the feed pump discharge pressure drops to a preset mini

57、mum答案：a解析：temperature sensing device:感温装置【译文】：在自动点火辅助锅炉的烟囱安装温度感应装置的目的是一旦点火失败，能够切断锅炉燃烧器。53.if an operating auxiliary boiler has a water ph reading of 7, you should( ).a.bottom blow the boilerb.treat the water with caustic sodac.treat the water with chemical scavengersd.reduce the water alkalinity to