鞍钢现场英语和产品说明书解读培训班考试题及答案

鞍钢现场英语和产品说明书解读培训班考试题及答案PartOneListeningComprehension(30points)SectionASpotDictation(每空1分，共10分)YouwillhearashortpassageaboutthecontinuouscastingprocessatAnsteelNo.3CCM.Thepassageisreadtwice.Fillineachblankwiththeexactwordyouhear.Writeyouranswersontheanswersheet.1.Thetundishcapacityhasbeenenlargedto________metrictonstosecurestablemoltensteelsupply.2.Theelectromagneticbrakeinstalledinthemoldcanreduce________flowspeedby35%.3.Topreventstickerbreakouts,thecasterapplies________frequencymoldoscillation.4.Thesecondarycoolingzoneisdividedinto________independentdynamicwater-coolingsegments.5.Thestraighteningmachineuses________rollstominimizeinternalcracks.6.Thecastingspeedforperitecticsteeliscappedat________mmin⁻¹.7.Theonlinewidthadjustmentsystemcanchangeslabwidthby________mmwithoutstopping.8.Theautomatictorchcuttingsystemshortenstail-outtimeto________seconds.9.Thesurfacedefectdetectioncameracapturesimagesataresolutionof________pixelspermeter.10.TheentirecasteriscontrolledbyaLevel-2modelrunning________thousandlinesofcode.SectionBMultipleChoice(每题2分，共10分)Listentofivemini-dialoguesthattakeplaceontheshopfloor.ChoosethebestanswerfromA,BorC.11.OperatorAreportsthatthemoldlevelfluctuates±3mm.Theengineer’sfirstsuggestionistoA.increasecastingspeedB.checkthestopper-rodpositionsensorC.switchtomanualmode12.Whenthetundishtemperaturedropsto1527°C,theforemanorderstoA.addaluminumshotsB.raisetheladlerotationspeedC.injectargonthroughtheporousplug13.AQCinspectorfindslongitudinalcracks0.4mmdeep.TheslabwillbeA.downgradedtocommercialgradeB.senttothescarfingmachineC.rejectedforshipplateorder14.Maintenancestaffdiscoverthatthedummybarchainisjammed.TheydecidetoA.applygraphitelubricantB.reversethehydrauliccylinderC.replacetheentirechainblock15.Duringnightshift,thecasterloses220VDCsupply.TheuninterruptiblepowerkeepsaliveA.themoldthermocouplesB.thetundishcardriveC.thesecondarycoolingpumpsSectionCPassageListening(每题2分，共10分)Youwillheara300-wordmonologuedescribingthenewquenching-and-partitioning(Q&P)linefor2GPaautomotivesteel.Answerquestions16-20innomorethanthreewordseach.16.Whatelementisaddedtostabilizeausteniteatroomtemperature?17.Whichcoolingmediumisusedbetweenthequenchingandpartitioningsteps?18.Whatisthemaximumcoilweighttheexitcranecanhandle?19.Whichmechanicalpropertyistestedwitha5mmErichsenpunch?20.Howmanymetersofstripcanbestoredintheaccumulatorduringwelding?PartTwoTechnicalReading(40points)PassageASlabReheatingFurnaceManual(共20分)ReadthefollowingextractfromtheAnsteel380th⁻¹walking-beamfurnacemanualandanswerquestions21-30.Thefurnaceisdividedintofivecontrolzones:preheating,heating1,heating2,soaking1andsoaking2.Eachzoneisequippedwithregenerativeburnersfiredbyamixtureofcoke-ovengasandblast-furnacegas.Theair-preheattemperaturereaches1050°C,guaranteeing55%thermalefficiency.Theskidsystemuses42CrMocastpipeswith35mmthickcoatingmadeof70%Al₂O₃+30%ZrO₂toreduceheatloss.ThefurnacecontrolLevel-2modelcalculatestherequiredresidencetimebasedoninitialslabtemperature,targetdischargetemperature(1180–1250°C),steelgradecarbonequivalentanddesiredsurface-to-coregradient≤15°C.Themodelupdatesevery30s,takingfeedbackfrom96thermocouplestypeS.Whenthegradientexceeds18°C,themodelautomaticallyreducestheburnerpowerinthelastheatingzoneby8%andincreasestheresidencetimeby4%.Thefurnaceproduces1.8milliontyr⁻¹withanenergyconsumptionof1.05GJt⁻¹,12%lowerthanthepreviouspusher-typefurnace.21.CalculatetheannualenergysavinginGJiftheoldfurnaceconsumed1.19GJt⁻¹.22.Namethetwogaseousfuelsmixedintheregenerativeburners.23.WhatpercentageofZrO₂iscontainedintheskidpipecoating?24.Whichthermocoupletypeisusedthroughoutthefurnace?25.Byhowmanydegreesistheairpreheated?26.Statethemaximumallowablesurface-to-coregradientfornormaloperation.27.IdentifythesteelgradeparameterthattheLevel-2modelusesbesidestemperature.28.Howoftendoesthemodelrefreshitscalculation?29.Whatactionistriggeredwhenthegradientexceeds18°C?30.Translatethephrase“walking-beamfurnace”intoChinese.PassageBPicklingLineEntrySection(共20分)ReadthetroubleshootingchartfortheAnsteel2250mmpicklinglineandanswerquestions31-40.Symptom:Entrycoilcarcannotliftcoilabove1.6m.Possiblecauses:A.Hydraulicpumpreliefvalvestuckat180barinsteadof250bar.B.Proximitysensorontheliftcylindergivesfalse“down”signal.C.CounterbalancevalvecartridgecontaminatedwithISO22oilinsteadofISO46.D.Mechanicalinterferencewiththecoil-conveyingsaddle.Recommendedactions:1.Connecthandheldhydraulictester,verifyactualpressureatportP.2.CheckPLCinputI:3.7statuswhilecylinderismid-stroke.3.Drain2Loilfromthecounterbalancelineandinspectviscosity.4.Measureclearancebetweensaddleandcarframewithfeelergauge;shouldbe≥8mm.31.Whichcomponentlimitsthesystempressureto250barundernormalconditions?32.WhatISOgradeshouldbeusedinthecounterbalancevalve?33.WhichPLCinputchannelmonitorstheliftcylinderposition?34.Statetheminimumacceptableclearancebetweensaddleandframe.35.Howmuchoilisrecommendedtodrainforcontaminationcheck?36.Translate“feelergauge”intoChinese.37.Ifthereliefvalveisstuckat180bar,calculatethepercentagepressureloss.38.Namethedeviceusedtoverifyhydraulicpressureonsite.39.Whichofthefourcausesisclassifiedasmechanicalratherthanhydraulicorelectrical?40.RewritethesymptominonecompleteEnglishsentenceusingpassivevoice.PartThreeProductSpecificationInterpretation(30points)Task1AutomotiveOuter-PanelSteel(每题3分，共15分)ThefollowingexcerptisfromAnsteelspecificationAS-OC-2025forcold-rolledexposedautomotivepanels.Chemicalcomposition(ladleanalysis,wt%):C≤0.0030,Mn≤0.150,P≤0.012,S≤0.008,Al0.035–0.055,Nb0.010–0.025,Ti≤0.008,N≤0.0025,B0.0005–0.0012.Mechanicalproperties(longitudinal,0.8mm×50mmJIS#5):Yieldstrength140–180MPa,tensilestrength270–310MPa,elongation≥42%,n-value0.22–0.27,r-value≥1.9,BH₂35–50MPa.Surfacefinish:EDTtextureRa0.8–1.4µm,peakcountPc≥100cm⁻¹,lubricantlayer0.8–1.2gm⁻²sodiumstearate.41.Statethemaximumallowablecarboncontentinppm.42.Whichmicro-alloyingelementisspecifiedbothminimumandmaximum?43.Calculatetheminimumr-valuedividedbytheminimumn-value.44.IdentifythesurfacetexturemeasurementunitforRa.45.Namethelubricantsalttypeappliedbeforestamping.Task2API5CTQ125Casing(每题3分，共15分)ReadtheAnsteelmilltestcertificatefor244.5mm×11.99mmQ125casingandanswerquestions46-50.Heattreatment:Quenchedat920°C,temperedat650°C,100%martensite,hardness30–32HRC.Impacttest:TransverseCharpyV-notchat–10°C,minimumaverage60J,singleminimum45J.Hardnessband:90HRB–32HRCthrough-wall,nodecarburization>0.05mm.Hydrostatictest:69MPaheld10s,noleakage.Threadtype:Ansteel-Maxtorque-seal,8-round,phosphated,compoundAapplied.46.ConvertthequenchingtemperaturefromCelsiustoFahrenheit.47.StatetheimpacttesttemperatureinKelvin.48.CalculatethehoopstressduringhydrostatictestusingBarlow’sformula(OD244.5mm,wall11.99mm).49.Identifythethreadcoatingmaterial.50.Namethesealingcompoundappliedtotheconnection.PartFourWriting&Translation(30points)Task1EnglishReportWriting(15分)Youaretheshiftmetallurgistonthe1580mmhot-stripmill.At03:18younoticedperiodicchattermarks12mmapartonthetopsurfaceofcoil3H-240815.Themarksappearevery250mandcoincidewithstandF3acceleration.Writea120-wordshiftreporttotheprocessmanagercovering:observation,suspectedcause,immediateaction,follow-upplan.Donotsignyourname;use“ShiftMetallurgist”.Task2Chinese-EnglishTranslation(15分)TranslatethefollowingChineseoperationinstructionintonatural,professionalEnglish.Donotaddoromitinformation.原板坯库操作提示：1.吊运厚度230mm以上板坯时必须使用C型钩双钩作业，单钩最大允许载荷32t。2.垛高严禁超过4.5m，上下两块钢坯端部错位不得大于150mm。3.入炉前必须确认板坯表面温度低于80℃，防止热装过程产生水印导致轧制裂纹。4.发现板坯角部横裂长度大于80mm或深度大于5mm时应立即下线送精整工序。PartFiveSpeakingSimulation(20points)Althoughthisisawrittenpaper,candidatesmustorallyrespondtotworandomizedscenariosrecordedontheexaminer’stablet.Thefollowingrubricisincludedsocandidatesknowhowtheirspokenperformancewillbegraded.Nowrittenanswerisrequiredhere.Scenario1ForeignvisitoraskswhyAnsteeladdsCuplusNiinsteadofCraloneforweatheringsteel.Scenario2AcustomerclaimsthedeliveredDP590coilshows8%elongationbelowspec.Defendthemillpositionusingdatafromthecertificate.Scoring:Fluency5,Accuracy5,Technicaldepth5,Diplomacy5.AnswerKey&DetailedExplanationsPartOneListening1.382.meniscus3.non-sinusoidal4.twelve5.multi-segment6.1.47.4008.459.204810.28011.B12.C13.B14.A15.A16.Mn17.nitrogen18.45t19.stretch-flangeability20.480PartTwoReading21.252000GJ(1.19–1.05)×1.8×10⁶22.coke-ovengasandblast-furnacegas23.30%24.typeS25.1050°C26.15°C27.carbonequivalent28.every30seconds29.burnerpower↓8%,residencetime↑4%30.步进梁式加热炉31.reliefvalve32.ISO4633.I:3.734.8mm35.2L36.塞尺37.28%38.handheldhydraulictester39.D(mechanicalinterference)40.Theentrycoilcarisunabletoliftthecoilaboveaheightof1.6m.PartThreeSpecification41.30ppm42.Nb(niobium)43.1.9/0.22=8.63644.micrometre(µm)45.sodiumstearate46.1688°F(920×1.8+32)47.263K(–10+273.15)48.σ=P(D–t)/2t=69×(244.5–11.99)/(2×11.99)=669MPa49.phosphate50.compoundAPartFourWritingSampleTask1(128words,withintolerance)At03:18duringthe1580mmHSMnightshift,periodicchattermarks12mmapartwereobservedonthetopsurfaceofcoil3H-240815.Themarksrepeatedevery250mandaligne