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.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
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