电梯专业英语试题及答案

电梯专业英语试题及答案

一、单项选择题（共30题，每题1分）The mainfunction of an elevatorhoistway isto______.A.support the car B.guide the car C.control thespeed D.provide powerAtraction sheave is part of the______system.A.hoisting B.door C.safety D.controlThe overload protection devicein an elevator is used toprevent______.A.car collisionB.excessive weight C.sudden stopD.power failureWhichcomponent is responsible forconverting electricalenergyto mechanicalenergyA.Traction motor B.Buffer C.Guide railD.CounterweightThe gravityslack in elevator cablesis controlledby______.A.a brakeB.a compensatingchain C.a speedgovernor D.a limitswitchIn elevatorterminology,cable griprefers toa part of the______.A.door mechanismB.safety gearC.control panelD.powersupplyThe car top workoperation requireschecking the______first.第1页共9页A.hoistway lightingB.buffer conditionC.guide railsD.emergency stop buttonThe PLCin elevator control systemsstands for______.A.Programmable LogicController B.Power LineCommunicationC.Passenger LocationCalculator D.Priority LogicControllerTheleveling deviceensures the elevator car______.A.stops at the correct floor B.moves smoothlyC.usesless energyD.has emergency powerA guiderail is installed to______the elevatorcar.A.drive B.guide C.support D.lubricateThe tensionsheave in an elevatorsystem helpsto______.A.increase motorspeed B.adjust cabletension C.reducenoise D.prevent overheatingThe hoistway doorinterlock isdesigned to______.A.control car movement B.ensure doorsafety C.adjust carspeed D.monitor powerusageWhich termrefers to the brakeinelevatorsystemsA.Buffer B.Brake C.Clutch D.SolenoidThe compensatingchain is used to balance the______of theelevatorcable.A.weight B.tension C.length D.flexibilityOverspeed governoris mainlyrelated to______safety.A.car collisionprevention B.free fallpreventionC.fire D.power failure第2页共9页The carroof in an elevator is alsocalled the______.A.cab B.hoistway C.counterweight D.guide shoeThe door operator isresponsible for______.A.opening andclosing doorsB.moving thecar C.stoppingthe carD.lighting thecabGuide shoeis acomponent that______the elevatorcar.A.drives B.guides C.supports D.lubricatesThe traction machine consistsofasheave anda______.A.motorB.buffer C.counterweight D.limit switchEmergency stop buttonis usuallymarked with______.A.red B.green C.yellow D.blueThe hoistwayis the______of the elevator.A.control systemB.moving partC.fixed structureD.safety deviceCounterweightis used tobalancethe______of the elevatorcar.A.power B.weightC.speed D.noiseThe PLCcontrol in elevators is used for______.A.manual operationB.automatic controlC.power supplyD.safety monitoringLubricationof elevatorparts isimportant to______.A.increase speedB.reduce frictionC.save energyD.prevent rustThespeed sensorin anelevator measuresthe cars______.A.weight B.position C.speedD.temperature第3页共9页Limit switch isusedto______theelevatorcarmovement.A.control B.limit C.adjust D.monitorThe traction cable connectsthecarto the______.A.counterweight B.motor C.buffer D.guide railCarinterior panelincludes the______.A.buttons anddisplay B.door C.motor D.guide shoeThesafety gearin anelevatoris for______.A.fire preventionB.free fallprevention C.power failureD.noise reductionEmergency power supplyisusedwhen thereis a______.A.power failureB.car collisionC.door failureD.speedproblem

二、多项选择题（共20题，每题2分）Which of the following are componentsof theelevatorhoisting systemA.Traction sheaveB.Buffer C.Traction cableD.CounterweightThe elevatorcontrol systemincludes______.A.PLC B.Inverter C.Door operatorD.Limit switchCommonelevator safetydevices include______.A.Safety gearB.Overspeed governorC.Buffer D.BrakeThe carinanelevator consistsof______.A.Cab interiorB.Car roofC.Car frameD.Guide shoeWhichterms referto elevatordoor systems第4页共9页A.Hoistway doorB.Car doorC.Door operatorD.DoorinterlockThe traction machine includes______.A.Traction sheaveB.Motor C.Reducer D.BrakeElevator guiderails are usedto______.A.Guide thecar B.Support the counterweight C.Reducenoise D.Ensure stabilityThe compensating systemin elevatorsincludes______.A.Compensating chainB.Compensating cableC.Counterweight D.Traction cableCommonelevatorcontrolsignals include______.A.Floor selectionB.Door open/close C.EmergencystopD.LightingThe hoistwaystructure includes______.A.Walls B.Guide railsC.Landing doorsD.BufferWhich of the followingare part of theelevator electricalsystemA.Inverter B.PLC C.Traction motorD.BrakeLubrication pointsinelevatorsinclude______.A.Guide shoesB.Traction sheaveC.Door hingesD.ReducerThe emergencyoperation ofanelevatormay involve______.A.Manual dooropening B.Emergencypowersupply C.Traction machineoverride D.Speed adjustmentElevatorsafety protectionsystems include______.第5页共9页A.Overload protectionB.Overheating protectionC.Freefall protectionD.Fire protectionThe cartopinspection involveschecking______.A.Guide shoesB.Traction cableC.Brake D.LimitswitchesWhich termsare relatedto elevatorspeed controlA.Inverter B.Traction motorC.Speed governorD.BufferThe landinginanelevator includes______.A.Landing doorB.Landing buttonC.Floor indicatorD.HoistwayElevator maintenanceincludes______.A.Lubrication B.Cleaning C.Part replacementD.SpeedadjustmentThe tractiondrive systemfunctions to______.A.Lift thecar B.Lower thecar C.Control speedD.Change directionWhichof thefollowingarecommon elevatorfaultsA.Car notstopping atfloor B.Door notopening C.Unusualnoise D.Overheating

三、判断题（共20题，每题1分，正确写“T”，错误写“F”）The counterweightis locatedin the hoistway.The tractionsheaveispartof the doorsystem.The overspeedgovernor canprevent theelevator fromfreefalling.Guide shoesareusedto guidethecounterweightonly.第6页共9页The PLCis animportant componentof theelevator controlsystem.The bufferisinstalled at thetop ofthehoistway.The cardoor andhoistway doorare bothpartofthe doorsystem.The tractioncable connectsthecartothecounterweight.Overspeed isa conditionthat triggersthe safety gear.The emergencystopbuttoncan onlybe pressedin anemergency.The reducerin thetractionmachineincreases speed.Thecarroof ispartoftheelevatorcar structure.The inverterisusedto controlthe elevatorsspeed.The limitswitchisinstalledatthe bottomofthehoistway.Thecompensatingchain balancesthe weightofthetractioncable.The brakein thetractionmachineprevents thecar fromsliding.Thehoistwaylighting isonly formaintenance purposes.Thedooroperatorisresponsibleforopening andclosingthe doors.Elevator levelingmeans stoppingatthecorrectfloor.The tractiondrive ispowered bythe motordirectly.

四、简答题（共2题，每题5分）第7页共9页Briefly describethe compositionand functionoftheelevatortraction system.What arethe mainfunctions oftheelevatorsafety protectionsystem参考答案

一、单项选择题1-5:B A B AB6-10:B DA AB11-15:B B B AB16-20:A AB AA21-25:C BBBC26-30:B AABA

二、多项选择题1:ACD2:AB3:ABCD4:ABC5:ABCD6:ABCD7:AD8:AB9:ABC10:ABC11:ABCD12:ABCD13:ABC14:AC15:ABCD16:ABC17:ABC18:ABC19:ABC20:ABCD

三、判断题1:T2:F3:T4:F5:T6:F7:T8:T9:T10:T11:F12:T13:T14:F15:T16:T17:F18:T19:T20:F

四、简答题Question1第8页共9页Composition:Traction sheave,traction motor,reducer,brake,tractioncable.Function:Converts motorpower tomechanical forcevia thesheaveand cable,lifting/lowering thecar;controls carspeedand direction.Question2Main functions:Prevent overspeedand freefall overspeedgovernor+safetygear;avoid overloadoverloadprotection;protect againstpower failureemergencypowersupply;ensure doorsafety doorinterlock;reduce impactbuffer.Note:This documentisforelevator professionalEnglishlearning andreference.All termsand contentcomply withindustrystandards anddo notinvolve sensitiveinformation.第9页共9页。