轮机英语天津八套与海事局八套题库

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1、天津八套与海事局八套题库（一）I.The officer in charge of the engineering watch shall ensure that at all time s bridge orders relating to changes in of operation are immediately implemented.A. foreandaftB. aheadorasternC. speedordirectionD. up or down2.Small oil spills on deck can be prevented from contaminating an

2、y waters by .A. pluggingall scuppersand drainsB.thoroughly draining all bunkering hosesC.regularlyemptying alldrippansD.placing floating booms around the ship3.The main purpose of warming up the main engine is.A.toreduceheat stressB.toreducelow temperature corrosionC.toimprovefiringand startingperfo

3、rmanceD.forfuelsaving4.1 n order to reduce the chance of detentions ships should routinely verify the following except for.A.fandamperoperation issmoothand operates throughthe full rangeof open to close.B.fan damperlocking pinsare free to be removed without significanteffort.C.fandamperoperating han

4、dles arefree to move withoutsignificanteffort.D.fan5.Thein adamperpurposevapourare properlyof thecompressioncoatedcycle iswith whitepaint.toacceptthehot,high-pressuregas fromthecompressorand cool itto remove firstthe superheatand then thelatentheat.A.expansion valveB.condenserC.compressorD.evaporato

5、r6.The energy consumed by an AC motor, as strictly reactive power, isA.usedtodo mechanicalworkB.lostindoing work to turnthe motor itselfC.used to establish the magnetic field of the motorD.lost as heat generated by the windings.7 .A diesel engine will lose power if fuel injection occurs too early be

6、cause t he. A.fuel will not be properly atomized in the cylinder B.maximum fuel expansion will occur on the compression stroke C.ignition will be delayed due to low ignition temperature D.fuel will ignite before top dead center 8.The designedis 20 tons per day, but the fresh water generator can only

7、 distill 15 tons a t present.A.power B.capacity C.displacement D.weight 9.The depth of the ship below the waterline measured vertically to the lowest part of the hull is called. A.tonnage B.trim C.draft D.lean10.Thehydraulicsystemof a deck winch has beendrained,flushed,and refilledwithhydraulicfluid

8、.An erratic knocking noisefrom thehydraulicmotor whenthewinch isstartedwould indicate.A.clogged suctionline fluidfilters8 .air trapped inthe systemC.the fluid level in the reservoir is too highD.abrasive mattercirculatingin theoil11.As a duty engineer, as soon as you hear the fire emergency signal,

9、you sho uld ensure that the.A.ringbuoys arethrownoverboardB.firepumps arestartedC.engines are stoppedD.lifepreservershavebeen issuedto everyone12 .Whichofthefollowingproblems could developdue to the accumulation of oilvaporsinthecrankcaseof a dieselengine?A.Reduced lubricationB.Poor fuel economyC.Co

10、mbustion knockD.Crankcase explosion13 .All details of fuel bunkering, ballast handling, tank cleaning or slop dispos al must be entered in the.A.ballast logB.muster logC.engine room logD.oil record book14 .The cetane rating of diesel fuel is an indication of the.A.rate of fuel consumptionB.ignitionq

11、ualityof the fuelC.calorific value of the fuelD.lashpoint of the fuel1.1 In thevoyage,when carryingout abandon ship drill,shouldbe testedevery time.A.M.E.emergency operationB.main/auxiliary steering gear changingC.air/oil emergency shut-downD.the emergency lighting system for muster and abandon ship

12、16 .The Master should callfor permission to use chemical agents in response to oil pollution into the se a.A. theport stateB. the coastal state 沿岸国C. theflag stateD. theshipping company17 .assists to emulsify oil and water into an even emulsion mixture for a fine at omizing of an incineratorA.An int

13、ermittentvibrationB.An intermittentagitationC.A continuousagitation连续的搅拌D.A continuousvibration18 .Combustion knock will most likely occur as a result of using a fuel with .A. a highcetanenumberB. lowignitionqualityC. lowignitiondelayD. a highvolatility19.Which of the following is operated from the

14、main engine room console on an automated vessel?A.Shaft alley door and fixed CO2 releaseB.Lube oil pump and distilling plant C.Distilling plant and shaft alley door D.Fire pump and lube oil pump20.means the level for which minimum appropriate protective security measures shall be maintained at all t

15、imes,threats and exchanging such information with appropriate Contracting Governments.A.Securitylevel4B.Securitylevel3C.Securitylevel2D.Securitylevel121.Eachcylinderhasand closed byone starting valve which is usually opened by air pressureA.spring forceB.new jointsC.nuts and boltsD.sealing rings22 .

16、is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.A.Frequency meterB.Reverse current protectionC.Reverse power protectionD.Synchronizing device23 .To avoid water carry-over in a boiler, you should.A.increasethefeed wateralkalinityB.

17、raise the boiler water levelC.increasethesteam outputD.remove the scum24 .The successful operation of any engine or machine and its trouble free life depends onwhich involves the formation and maintenance of a lubricating oil film between the moving parts.A.effectivecoolingB.effectivelubricationC.ma

18、intenanceD.the support25 .Fuses placed in series with a thermal trip-type circuit breaker are used forA.short duration surge protectionB.short-circuit protectionC.sustained overload protectionD.time-delay protection26 .The master may suspend the schedule of hours of rest in the following circu mstan

19、ces EXCEPT.A.Cargo on board isindangerB.The seafarer wantstohave extrapay 额外的报酬 by working overtimeC.Help another ship in distress.危难D.The safety of the ship is threatened. 威胁1.1 In a radial piston pump, reversal and control of fluid flow are accomplished by moving the.A. radialplungerB. cylinderbod

20、yC. central valveD. floatingring28 .The main generators are connected to.A. main switchboardsB. distributionboardsC. emergency switch boardsD. section boards29 .A class B fire would most likely occur in the.A.electric fresh water transfer pumpB.engine room bilgeC.breathing compartmentD.main switchbo

21、ard30 .The most common diesel engine fuel system problems are caused by. A.excessivevibrationB.broken fuel lines C.incorrectadjustmentsD.dirty fuel 31.of the controllable pitch propeller enables the blades to be moved to change t he pitch angle.A.A hunting gear systemB.An internalmechanismC.An inter

22、lock deviceD.An externalmechanism32.In a refrigeration system, foaming of the crankcase oil may cause the.A. expansionvalvetooverfeed.B. crankcasedrainstoplugC. water regulatingvalve to failD. compressorto knock33 .Enhanced procedures concerning the exercise ofhave been developed to allow interventi

23、on in the case of deficiencies deemed to pose a danger to persons, property or the environment.A.flagstate controlB.safety inspectionC.fireand boat drillD.port state control34 .Which of the following problems will occur if a disk-type centrifugal lube o il purifier is not properly primed prior to ad

24、mitting oil flow to the bowl? A.Contamination of the lube oil by emulsification will result.B.Oil will discharge from the heavy phase discharge port and be wasted.C.Thelubeoilwillnot besubjectedto the proper centrifugal force.D.Thelubeoilwilloverheatand flash.35 .According to STCW CODE, an engineer

25、officer must possess which of the follow ing functions?A.Radio communicationsB.Cargo handling and stowageC.NavigationD.Controlling the operation of the ship and care for persons on board.36.In a ordinary cargo crane,is fitted to rotate the crane.A.the hoisting motorB.the fan motorC.theluffingmotorD.

26、theslewingmotor37 .Which of the following components are used to convert alternating current pro ducedin thegeneratorwindings to direct current?A.Commutator and crushesB.Armature and equalizerC.Fieldand exciterD.Rotorand interpoles38 .Oil mist detectors are usually used on board to detect oil mist d

27、ensity wit hin.A.the engine crankcaseB.fuel tanksC.drain tanksD.the engine scavenge boxes.39 .A diesel engine could fail to start because of. A.excessive cranking speed B.low exhaust back pressure C.floating exhaust valves D.incorrect injection timing40 .To prevent excessive in the transverse girder

28、s, the tie bolts are positioned as close to the center of the crankshaft as possible.A.bending momentsB.surface tensionsC.thermal loads D.thermal stresses 41.Before reassemblingany machinery,you should.A.applya heavy coatof oil to allmating surfaces.B.replace all bearings regardless of length of ser

29、vice C.coat all parts with ale mite grease D.clean any corroded surfaces and burrs smooth 42.The diesel engine is similar to the gasoline engine in that A.both of them are ignited by compressed air B.bothofthem are the forms ofexternal combustion enginesC.the power is developed by the piston in the

30、cylinder D.bothofthem have spark plugs43 .Which of the following statements represents the main difference between an r elay and a contactor? A.A relay is series connected and a contactor is parallel connected. B.Contactors are made from silver and relays are made from copper. C.Contactors control c

31、urrent and relays control voltage. D.Contactors can handle heavier loads than relays.44 .When fighting a spreading fire resulting from a broken fuel line, you should FIRST.A.use a soda acid extinguisher45 lookfora CO2 extinguisherC.shutoffthe fuel supplyD.smother the fire with rags 45.If the bowl sp

32、eed of the oil purifier is always lower than the rated speed , which cause is incorrect?A.The friction pads are slippery.B.Thebrakeisntreleased.C.Themotor isoutof order.D.The throughput ishigh.46.Thetermdiesel enginescavenging means.A.forcing the products of combustion out of the cylinder with the f

33、resh air ch arge B.collecting the air charge at the air cleaner C.combustion and expansion of hot gasD.delivering more air into the cylinder than it would normally receive during a n ordinary charging process 47.Movement of engine no longer required means.A.No Engine RevolutionsB.Finished With Engin

34、eC.Stand-by EngineD.Stop Engine48 .The engineer officer in charge of the watch shall ensure that are kept under constant surveillance. 监控 A. the steering gear B. the main propulsion plant and auxiliary systems C. thedevices and systemsin chargeD. thecommunicationdevices49 .What mustoceangoingvessels

35、of100GT to 400GTbe fittedwithfor oily mixtures? A.A portablesystemtodischargeoilymixtures to areceptionfacilityB.A portablesystemtodischargetheslops overboardC.A fixedsystem todischargetheslopsoverboardD.A fixedsystem todischargeoilymixtures to a reception facility!50.If thesea watersupplypressurefo

36、ra diesel engine cooling system is below normal,you shouldcheckfor aA.clogged sea water strainerB.blown head gasketC.broken thermostatD.cracked head51 .The rules and regulation for maritime safety are governed byA.The MARPOL CodeB.TheSTCW CodeC.The 2006 Labor CodeD.the international convention for t

37、he safety of life at sea, better know as S OLAS52 .When cutting sheet metal too thin to be held in your hand while using a h and held hacksaw 钢锯, the sheet metal should be placed between two.A.blocksofwoodB.blocksofsteelC.piecesofsand paperD.piecesofcloth53 .What function is provided by the crankcas

38、e ventilation system on some diesel engines?A.Increases the sludge forming tendency of lube oil.B.Prevents the accumulation of combustible gases.C.Improvescoldweather startingD.Improveslubeoil cooling54 .To equalize the power factor of two alternators operating in parallel, the .A.kilowatt load is e

39、venly dividedB.phase sequence isalteredC.field excitation of both units is adjusted !D.governors of bothunitsare adjusted55 .are to be carried out at least twice within a five-year period. A.Docking surveys B.Annual surveys C.Intermediate surveys ! D.Special surveys 56.In common rail engines, the fu

40、el is before is injected into the cylinders. A.already atomized B.pumped bythe injectionpumpC.storedina common fuel lineD.at low pressure 57.The valid period of the International Oil Pollution Prevention Certificate on board isnt more thanA. five yearsB. two yearsC. one yearD. four years58.If found

41、oil when we open low oil level plug of separator, it indicates .A. the temperature of oil water is lowB. theseparatoris overloadedC. the monitor equipment of separator failsD. thedischargepump of separatorcan not work59.The construction of the main propulsion engine lube oil sump should.A.have no pl

42、ating joints of 90B.provide drain/return lines that are no greater than 24 inches from the pump suction C.be provided with only a perfectly horizontal bottomD.retain the lube oil as long as possible before it recirculates through the s ystem 60.The in the steering gear system conveys a signal or des

43、ired rudder angle from the bridge(wheel house)A.transmission mechanismsB.fittings and pipelineC.power unitD.control equipmentbrushescondition61 .are used to reduce the sparking which occurs as the current collecting move across the insulated segmentsA.WindingsB.Field coilsC.IsolatorsD.Interpoles62 .

44、The piston rings exert a varying pressure on the liner walls unders involving.A.constantspeedB.good lubricationC.reversalof directionof motionD.slowly changing speed63.If a ship is to be laid up for an indefinite period 无限期, the saltwater side of the main condenser should beA.leftfilledwithsaltwater

45、with theseavalvesclosedB.drainedanddriedout afterclosingthesea valvesC.leftfilledwithsaltwaterwith theseavalvesopenD.drainedanrefilledwith saltwaterafterclosingthe seavalves64.Saltwater is typically provided to a refrigeration system toA.prevent refrigerant superheatingB.cool the expansion valveC.pr

46、event motor overheatingD.condense the refrigerant gas65 .An over-speed trip stops a diesel engine when the engine.A.haslowlubricating oilpressureB.exceeds a set maximum speedC.has high coolingwatertemperatureD.runs out of fuel66 .When the ship is pushed forward by the waves 海浪and sinks back into a t

47、rough, she isA.surgingB.heavingC.rollingD.swaying 摇曳67 .The abbreviation MIP stands for.A.mean indicatedpitchB.mean indicatedpressureC.middle indicated powerD.middle indicating pressure68.In order to protect the aerobic bacteria from death, the sewage plant should work.A.continuouslyB.at 7-day inter

48、valsC.at 14-day intervalsD.at 3-month intervals69.Before performing any maintenance on a hydraulic system storing energy in anaccumulator, you shouldA.operatedthemachine until itreaches normaltemperatureB.pressurizethesystem to testfor leaksCbleed offallpressure withinthe systempubyD.disconnect the

49、pump pressure control switch70 .To thoroughly pump out the bilges using a horizontally mounted centrifugal mp, the. A.volute must impart a radial and rotary motion of the waterB.suction side connection must guide the liquid to the lantern ringsC.pump must always be primedD.stuffing box should not be

50、 allowed any water leakage71 .Air trapped in the hydraulic fluid of a steering system may be indicatedA.a constantly occurring improper rudder responseB.the steering pumps overspeedingC.a jammed open relief valveD.excessive ram pressure72 .Which of the following listed construction detail of interna

51、l combustion engin es is required?A.The use of end block construction for engines developing over 1000 brake hors epower.B.Removable cylinder liners must be used for engines developing over 1000 brake horsepower. !C.All engines shall be provided with a exhaust gas pressure monitoring system.D.A warn

52、ing notice to caution against the opening of a hot crankcase for a sp ecified period of time after shut down.73 .Prior to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the.A.manual positionB.transfer positionC.bus neutral positionD.raise voltage positi

53、on74 .The closed-loop system differs from the open-loop system by.A.thepresenceofa computerB.thelack ofacomputerC.thelack ofafeedbackD.thepresenceofa feedback75 .An alarm system enables the monitoring of certain measured.A.desired valveB.constantC.measured valueD.variable76 .To ensure the safe opera

54、tion of each shipand to providea link betweenthe Company and those on board,every Company,as appropriate,shoulddesignate aperson or persons ashore having directto the highest level of management.A.distanceB.spaceC.access 通道D.visibilityThe InternationalConventionfortheControl and Management of ShipsB

55、allast Water&Sediments was adopted byconsensusat a Diplomatic Conference atIMO inLondon on Friday13 February 2004.Themain features of the Conventionare outlined below(selected).RegulationD-1Ballast Water Exchange Standard-Shipsperforming Ballast Waterexchange shalldosowith an efficiencyof 95 percent

56、volumetric 体 积 exchange of Ballast Water. For ships exchanging ballast water by the pumping -throughmethod, pumpingthroughthreetimesthe volumeof each ballast water tank shall be consideredto meet thestandard described.Pumping through less than three times the volume may be accepted provide d the shi

57、p can demonstrate 证 明 that at least 95 percent volumetric exchange is met. Regulation D-2 Ballast Water Performance Standard-Ships conducting ballast water management shall discha rge第三 题 less than10 viableorganismspercubic meter greaterthan orequalto 50micrometersin minimumdimensionandlessthan 10 v

58、iableorganisms permilliliter less than50 micrometers in minimum dimensionand greater thanor equalto10 micrometers in minimumdimension; and discharge of the indicator microbesshall not exceed the specified concentrations. 1.Which statement is true about regulation D-1? A. At least 95 percent volumetr

59、ic exchange of Ballast Water would be accepted.B. Pumping-throughmethodhasto beused.C. At least three timesthevolumeof eachballast water tank should be exchanged.D. Even the volumetric exchange is less than 95 percent, the ship has other w aystomeet thestandard.2. Fororganismslessthan10micrometers i

60、n minimum dimension, what is the specificrequirement?A. less than 10 viable organisms per cubic meterB. NoanyinthedischargedballastwaterC. Itis not specifiedintheregulation.D. lessthan10viableorganismspermilliliter3. For organisms生物 greater than50micrometers微米 in minimum dimension 最低尺寸，what isthespe

61、cific requirement?A. NoanyinthedischargedballastwaterB. lessthan10viableorganismspermilliliterC. lessthan10viableorganismspercubicmeterD. It is not specified in the regulation.4. The International Convention for the Control and Management of Ships Ballast W ater & Sediments 沉积物 on 13 February 2004.A. was effected officially:B. came intoforceC. was effectiveD. was votedand accepted 被接受A typical example of a hydraulic governor is the Woodward. This has adjus table droop for parallel operation and it is fitted with a speed-adjusting co