轮机长英语11规则管理级轮机英语教材中关联题13篇.docx

轮机长英语11规则管理级轮机英语教材中关联题13篇.docx

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轮机长英语11规则管理级轮机英语教材中关联题13篇

轮机长英语_11规则管理级轮机英语教材中关联题13篇

Theoperationofparallelingtwoalternatorsrequiresthevoltagestobeequalandalsoinphase.Thealternatingcurrentoutputofanymachineisalwayschanging,sofortwomachinestooperatetogethertheirvoltagesmustbechangingatthesamerateorfrequency,andmustbereachingtheirmaximum（oranyothervalue）together.Theyarethensaidtobe"inphase".Useisnowadaysmadeofasynchroscopewhenparallelingtwoa.c.machines.Thesynchroscopehastwowindingswhichareconnectedonetoeachsideoftheparallelingswitch.Apointerisfreetorotateandismovedbythemagneticeffectofthetwowindings.Whenthetwovoltagesuppliesareinphasethepointerisstationaryinthe12o'clockposition.IfthepointerisrotatingthenafrequencydifferenceexistsandthedialismarkedforclockwiserotationFASTandanti-clockwiserotationSLOW,thereferencebeingtotheincomingmachinefrequency.Toparallelanincomingmachinetoarunningmachinethereforeitisnecessarytoensurefirstlythatbothvoltagesareequal.Voltmetersareprovidedforthispurpose.

Secondlythefrequenciesmustbebroughtintophase.InpracticethesynchroscopeusuallymovesslowlyintheFASTdirectionandtheparallelingswitchisclosedasthepointerreachedthe11o'clockposition.Thisresultsintheincomingmachineimmediatelyacceptingasmallamountofload.Asetofthreelampsmaybeprovidedtoenablesynchronizing.Thesequencemethodoflampconnectionhasakeylampconnectedacrossonephasewithtwootherlampscrossconnectedovertheotherphases.Ifthefrequenciesofthemachinesaredifferentthelampswillbrightenanddarkeninrotation,dependingupontheincomingfrequencybeingFASTorSLOW.Thecorrectmomentforsynchronizingiswhenthekeylampisdarkandtheothertwoareequallybright.87.Whatdeviceisusedtoparalleltwoalternatorsnowadays?

A.Apointer.B.Twowindings

C.AsynchroscopeD.Twosynchronizinglamps

88.Whentwoalternatorsaresaidtobe"inphase",____.

A.theircurrentoutputsarechanging

B.theirvoltagesarechangingatthesamerate

C.theyareconnectedonetoeachsideoftheparallelingswitch

D.theyhavethesamemaximumvoltage

89.Inpractice,theparallelingswitchisclosedasthesynchroscopepointerreachesthe11o'clockpositionwhileitismoving___.

A.intheFASTsectionB.intheSLOWsection

C.towardstheFASTdirectionD.towardstheSLOWdirection

90.Thecorrectmomentforsynchronizingiswhen.

A.threelampsareequallybright

B.threelampsdarkeninrotation

C.thekeylampisbrightandtheothertwolampsaredark

D.thekeylampisdarkandtheothertwolampsareequallybright

课本第212页

轮机英语管理级教材内容关联题仅供参考～

ThePSCOmaydetermineifresponsibleship'spersonnelarefamiliarwiththeirdutiesrelatedto

operatingessentialmachinery,suchasemergencyandstand-bysourcesofelectricalpower,

auxiliarysteeringgear,bilgeandfirepumpsandanyotherequipmentessentialinemergencysituations.Forstand-bygeneratorengine,theresponsibleship'spersonnelshouldbefamiliarwith

thepossibilitiestostartit,automaticorbyhand,blackoutproceduresandload-sharingsystem.For

emergencygenerator,theymustbefamiliarwiththeactionswhicharenecessarybeforetheenginecanbestarted,differentpossibilitiestostarttheengineincombinationwiththesourceofstarting

energyandtheprocedureswhenthefirstattemptstostarttheenginefail.Theresponsibleengineeringofficershouldbefamiliarwithwhichtypeofauxiliarysteeringgearsystemappliestotheship,howitisindicatedwhichsteeringgearunitisinoperationandwhatactionisneededto

bringtheauxiliarysteeringgearintooperation.Theresponsiblepersonneloughttobefamiliar

withthenumberandlocationofbilgepumps（includingemergencybilgepumps）andfirepumps（includingemergencyfirepump）installedonboardtheship,startingproceduresforthosepumps,appropriatevalvestooperatethepumpsandmostlikelycausesoffailureofbilgepumpoperationandtheirpossibleremedies.ThePSCOmayalsoverifywhethertheresponsiblepersonnelarefamiliarwith:

（1）startingandmaintenanceoflifeboatengineand/orrescueboatengine,

（2）emergencystops,firedetectionsystemandalarmsystemoperationofwatertightandfiredoors,and（3）changeofcontrolfromautomatictomanualforcoolingwaterandlubeoilsystemsformainandauxiliaryenginesandmaintenanceproceduresforbatteries.

91.Accordingtothispassage,forauxiliarysteeringgear,theresponsibleship'spersonnelshouldbefamiliarwith.

A.thepossibilitiestostartit

B.theprocedureswhenthefirstattemptstostartitfail

C.thenecessaryactiontobringitintooperation

D.mostlikelycausesoffailureofitandtheirpossibleremedies

92.'Thepossibilitiestostartit'heremeans.?

thedifferentemergencysituationsin

whichitshouldbestarted?

thelikelyorsuitablechoicesofitsstartingmethods?

the

opportunitiestogetitstarted

A.?

B.?

C.?

D.noneof?

?

?

93.Whichofthefollowingisnotmentionedinthepassageasessentialmachineryorequipment?

A.Theincinerator.B.Thestand-bygeneratorengine.

C.Thebilgepumps.D.Thewatertightdoors.

94.Accordingtothispassage,astotheemergencygenerator,theresponsibleship'spersonnelmustbefamiliarwithnotonlythepossibilitiestostarttheengine,butalso____.

A.theblackoutproceduresB.theload-sharingsystem

C.theindicationofwhichunitisinoperationD.thesourceofstartingenergy

课本第349-350页

Circuitbreakersmustbecapableofmakingandbreakingundernormalconditionsandalsoabnormalconditionssuchasashortcircuit.Asthecircuitbreakermustbeabletowithstandclosingontoafaultconditionswithoutsustainingdamage,itisofheavyconstruction.Fittedwithanovercurrentreleasemidoverloadswithtimelags,acircuitbreakercanbeusedasfollows:

tocontroltheoutputofagenerator;asadirectonlinestarterandtocontroloutgoingfeedercircuits.

Onmodernswitchboards,"drawout"circuitbreakersmaybefitted.Intheopenpositionthewholecircuitbreakercanbewoundclearofthebusbars,thusfullinspectionandmaintenancecanbeachievedwithoutthenecessityofde-energizingthebusbars.

The"plugin"contactsjoiningthecircuitbreakertothebusbarsarenotcapableoftakingthebreakingloadanditisessentialthatthecircuitbreakerisintheopenpositionbeforeanyattemptismadetowithdrawit.Amechanicalinterlockisfittedarrangedtotripthecircuitbreakerbeforethewindinghandlecanbeinserted.

Thebreakeralsohasamidposition.Inthispositionthecontrolcircuitsarestillconnectedwiththebusbarconnectionisolated.Theelectricaloperationofthebreakercanthenbetested.

Circuitbreakersarenormallyfittedwithundervoltageprotectionandtrippingisaccomplishedbyshorting,whichreleasesthelatchinginmechanism.Theno-voltcoilmayalsobeopencircuitedbyareversepowerrelayandanoverloadtripfittedwithatimedelay.83.Acircuitbreakercanbeusedasfollowsexcept.

A.tocontroloutgoingfeedercircuits

B.toactasadirectonlinestarter

C.totakethebreakingloadonline

D.tocontroltheoutputofagenerator

84.A"drawout"circuitbreakerreferstoacircuitbreaker.

A.whichcanbemadeclearofthebusbarsbyusingawindinghandle

B.whichcanbemadeclearofthebusbarsbypluggingincontacts

C.whosetestcanbecarriedoutwiththecontrolcircuitsstillconnected

D.whosetestcanbecarriedoutwiththebusbarconnectionisolated

85.Amechanicalinterlockisfitted.

A.totakethebreakingloadwhenthecircuitbreakerisbeingwithdrawn

B.toputthecircuitbreaker,beforebeingwithdrawn,intheopenposition

C.toputthecircuitbreaker,beforebeingwithdrawn,inthemidposition

D.totakethebreakingloadwhenthecontactsjointhecircuitbreakertothebusbars86.Accordingtothispassage,theelectricaloperationofthiskindofcircuitbreakercanbetestedwhen__.?

theCircuitbreakeratmidposition?

thebusbarconnectionisisolated?

thecontrol

circuitsarelinked

A.?

B.?

C.?

?

D.?

?

?

课本第218-219页

UnderthetermsoftheISPSCode,shippingcompaniesarerequiredtodesignateaCompanySecurityOfficer（CSO）forthecompanyandaShipSecurityOfficer（SSO）foreachofitsships.TheCSO’sresponsibilitiesincludeensuringthataShipSecurity

Assessment（SSA）isproperlycarriedout,thatShipSecurityPlans（SSPs）arepreparedandsubmittedforapprovalbytheAdministrationandthereafterthattheplanisimplementedonboardeachship.

TheShipSecurityPlanshouldindicatetheminimumoperationalandphysicalsecuritymeasuresthattheshipitselfshouldimplementatalltimes（i.e.securitylevel1）unlessrequiredtooperateatahighersecuritylevel.Theplanshouldalsoindicatetheadditional,orintensified,securitymeasurestheshipcantaketomovetoandoperateatsecuritylevel2wheninstructedtodoso.Furthermore,theplanshouldindicatethepossiblepreparatoryactionstheshipcouldtaketoallowpromptresponsetoinstructionsthatmaybeissuedtotheshipatsecuritylevel3.

1.UnderthetermsoftheISPScode,ashippingcompanyisrequiredtodesignate______.A.SCOB.SSOC.CSOandSSOD.SSPandSSA

2.WhichoneofCSO’responsibilitiesisNOTmentionedinthepassage?

A.ensuringthattheSSAisproperlycarriedout

B.ensuringthatSSPsarepreparedandsubmittedforapproval

C.ensuringthattheSSAisimplementedonboardeachship

D.performingregularsecurityinspectionsoftheship

3