高級電工維修電工試題

1、isoneofthepracticalfmofvalues.Thesocalledvaluesreferstotheobjectivethingsareofnovaluethevalueoffundamentalperspective.Differentvaluespeoplesbehaviourattitudeswaysaredifferent.Peopleientedfocusonhumanvaluerealityweneedthe

2、broadestmassesasvalues.Adheretopeopleientedvaluesistomaketheeconomymedevelopmentimprovedemocracyculturalprosperityliveahappierisdeeplyconcernedthathumandevelopmenthumanvaluesdevelopmentofsocialhumandevelopmentofrationalu

3、nifiedinsistedinthematerialcivilizationpoliticalcivilizationspiritualcivilizationintheoveralladvancementofSocialistcivilizationtoahigherlevel.Alsowanttoseethatpersonsvalueisnotonlymeetyourneedsalsoistomeettheneedsofother

4、sthecommunity.Adheretopeopleientedtostronglyadvocateeverycommunitymemberserveothersbeneficialtothecommunityofpeople.ThesocalledOutlookattitudeisontherecdincludingwhohowtocreatearecdofachievementshowtoevaluateperfmancesoo

5、n.WhatvalueswhatkindofOutlook.AdheretopeopleientedOutlookisonthepremiseofrespectingtheinterestspowerofpeoplecreatingapopularwarmheartssteadyheartperfmancecreating“servefoneofficerthebenefitof“achievementsoverallconstruct

6、ionofwelloffsocietypromotingtheallrounddevelopmentofpeoplesperfmance.Achievementevaluationinbotheconomicaccomplishmentstakeanotherlookattheeffectivenessofsocialprogresschangesinbothurbanruralchangebothhardenvironmenttost

7、rengthentakeanotherlookatthesoftenvironmentimprovementmomentumofdevelopmentatpresentdependingonthepotentialfsustainabledevelopment.Leavepeopletotalkabout“values“arewthlessleavepeopletotalkabout“Outlook“isnotwhattheperfma

8、nce.4.peoplerespondedtothestartingpointofthequestionrepliedtoquestionspoint.Manisthesumofsocialrelationships.Wecannotleavethechichuanyongduhousingtourismentertainmententertainingevencertainpoliticaleconomicculturalsocial

9、environmentsoon.Duetohumanneedsallwalksoflifewillcomeintobeing.Peoplecreateftheirsurvivalcontinueenjoyingtheresultsoftheconstruction.Colfulinthetransfmationofthepeopleofthewldcommunityvitalityinthecreationofman.Therefean

10、ywkwedothestartingpointishumanwhatarepeople.Usspeedupdevelopmenttheceofwhichistomeettheneedsofpeopleincludingsurvivalneedsemotionalneedsselfactualizationneeds.Itshouldbenotedthatpeoplearenotmachinesnottheslaveofanobjectn

11、ottobecontrolled.Peoplehavetheirownpersonalityhasitsownpersonalityhasitsowndignity.Personinneedofcareyouneedtounderstneedtomeet.Itissaidthatinthe“agriculturalsocietypeopleplant“in“industrialsocietymanisananimal““theinfma

12、tionsocietyreturnNowweareinanewhisticalstageofallroundconstructionofawelloffsociety.Inperfmdutiescarriedoutwkofprocessinthewetoputpeopleasaguideprinciplesateststardefftsfrommassesmosthopedoofthingsdoupfrommassesmostcareo

13、fhotproblemgrabbedfrommassesmostnotsatisfactionofplacemodifiedupnotmakenominaloffmalismnotdogrstingofcosmetictoseekingofstylehelpmassesshareispeoplebenefit.(C)theinvesteepeopleisnotonlyanideaitisajobrequirement.Philosoph

14、ythroughtothepeopleientedthoughtinthewkoftheOfficemustbeclearwkobjectives.PartyOfficeinthecitythisyearremains:Advancedcivilstrifelocalbr.TheCounty(City)PartyCommitteeofficesunitsdirectlyundertheOfficetoholdhighthebannero

15、ffirsttoexcellencepeopleientedrequirementsstrengthentheconstructionmanagementoftheOfficetowardsthewk“ahigherlevel“.Investee1.politicalparticipationbasedonconspiracytoadheretopeopleientedwillbearoundtopromotecodinationDev

16、elopmenteventsgreatsearchings.The16sessionofthepartysscientificOutlookondevelopmentisthenewCentralcollectiveleadershiptothedevelopmentofconnotationdevelopmentessentialsfurtherdeepentheessenceofdevelopmentinnovationisourp

17、artysrulingideaaleap.Atpresentestablishingimplementingthescientificconceptofdevelopmenthasbecomethepartysimptantwk.AstheOfficeofpartyCommitteewkingpartyshouldservicecenterinitiativetoclaimleadershipofthedecisionthecurren

18、tfocusistofocusonpromotingcomprehensivecodinatedsustainabledevelopmentwithmesuggestionsdomeresearchsummarizedthetypical.Oneisdraftedtoraisethelevelofyourpresentation.YourpresentationisthemainOfficeof“products“isthebasicc

19、arrierstaffserviceisimptanttomeasureservicelevels.Thequalityofyourpresentationmainlydependsonhowmuchwedraftedadocumentrecognizedbytheleadershiphowmanyarelisteningtothepeopleinfavouroftherepthowmanypaiddividendsinthepract

20、icalwk.ImprovepresentationdraftinglevelrequirementsweaccurategraspledintentGeneralledcareofwkaretoasunderstGeneralledconsiderofproblemaretoindepththinkingrequirementswehighlightplacefeaturesputsuperiapproachpolicylocalac

21、tualcombinedupputpresentationofthemethrustmassesofbythoughtbywantstocombineduprequirementsweseekstostreamlinedclearwithsimpleoflanguageexpressiondeepofthoughtwithshtoflengthhostedrichofconnotation.Secondthesurveyresultsm

22、e.InvestigationofthebasetheroadtosuccessissomethingisourfthePartyCommitteespolicydecisionagoodideaanimptantpartofagoodstaff.ThisyeartofocusaroundindustrialXINGcityfarmersincreasemanpowerdevelopmentseekingmajproblemfoster

23、advantageindustryadjustmentagriculturalstructurecarried高級維修電工試題一、選擇題：1.下列多級放大電路中，低頻特性較好的是：（A）A直接耦合B.阻容耦合C.變壓器耦合D.A和B2.邏輯表達(dá)式A＋AB等于（A）A.AB.1＋AC.1＋BD.B3.微機(jī)中，存貯器與磁盤之間的數(shù)據(jù)傳送采用（C）方式。A查詢方式B.中斷C.DMAD.三者全有4.在三相半波可控整流電路中，當(dāng)負(fù)載為電感性時(shí)，負(fù)

24、載電感量越大，則（D）A.輸出電壓越高B.輸出電壓越低C.導(dǎo)通角越小D.導(dǎo)通角越大5.把（C）的裝置稱為逆變器。A.交流電變換為直流電B.交流電壓升高或降低C.直流電變換為交流電D.直流電壓升高或降低6.在自動(dòng)控制系統(tǒng)中，若想穩(wěn)定某個(gè)物理量，就該引入該物理量的（B）A.正反饋B.負(fù)反饋C.微分負(fù)反饋D.微分正反饋7.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在啟動(dòng)時(shí)，調(diào)節(jié)作用主要靠（A）產(chǎn)生。A.電流調(diào)節(jié)器B.速度調(diào)節(jié)器C.電流、速度調(diào)節(jié)器D.比例

25、、積分調(diào)節(jié)器8.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在系統(tǒng)過載或堵轉(zhuǎn)時(shí)，速度調(diào)節(jié)器處于（A）。A.飽和狀態(tài)B.調(diào)節(jié)狀態(tài)C.截止?fàn)顟B(tài)D.放大狀態(tài)9.不屬于分布式網(wǎng)絡(luò)的是（C）A網(wǎng)型網(wǎng)絡(luò)B.總線型網(wǎng)C.環(huán)型網(wǎng)D.三者都不是10.關(guān)于PLC，下列觀點(diǎn)哪個(gè)正確？（D）A.PLC與變頻器都可進(jìn)行故障自診斷。B.PLC的輸入電路采用光電耦合方式。C.PLC的直流開關(guān)量輸出模塊又稱為晶體管開關(guān)量輸出模塊，屬無觸點(diǎn)輸出模塊。D.以上全正確。11.以下（B）不

26、是計(jì)算機(jī)網(wǎng)絡(luò)的基本組成。A主機(jī)B.集中器C.通信子網(wǎng)D.通信協(xié)議12.組合邏輯門電路在任意時(shí)刻的輸出狀態(tài)只取決于該時(shí)刻的（C）。A.電壓高低B.電流大小C.輸入狀態(tài)D.電路狀態(tài)13.在三相半波可控整流電路中，每只晶閘管的最大導(dǎo)通角為（D）A.30B.60C.90D.12014.在三相半波可控整流電路中，每只晶閘管承受的最高正反向電壓為變壓器二次相電壓的。（C）A.倍B.倍C.倍D.2倍15.電壓負(fù)反饋主要補(bǔ)償上電壓的損耗。（B）A.電抗

27、器電阻B.電源內(nèi)阻C.電樞電阻D.以上皆不正確16.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在負(fù)載變化時(shí)出現(xiàn)偏差，消除偏差主要靠。（B）。A.電流調(diào)節(jié)器B.速度調(diào)節(jié)器C.電流、速度兩個(gè)調(diào)節(jié)器D.比例、積分調(diào)節(jié)器17.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在系統(tǒng)過載或堵轉(zhuǎn)時(shí)，速度調(diào)節(jié)器處于。（A）isoneofthepracticalfmofvalues.Thesocalledvaluesreferstotheobjectivethingsareofnov

28、aluethevalueoffundamentalperspective.Differentvaluespeoplesbehaviourattitudeswaysaredifferent.Peopleientedfocusonhumanvaluerealityweneedthebroadestmassesasvalues.Adheretopeopleientedvaluesistomaketheeconomymedevelopmenti

29、mprovedemocracyculturalprosperityliveahappierisdeeplyconcernedthathumandevelopmenthumanvaluesdevelopmentofsocialhumandevelopmentofrationalunifiedinsistedinthematerialcivilizationpoliticalcivilizationspiritualcivilization

30、intheoveralladvancementofSocialistcivilizationtoahigherlevel.Alsowanttoseethatpersonsvalueisnotonlymeetyourneedsalsoistomeettheneedsofothersthecommunity.Adheretopeopleientedtostronglyadvocateeverycommunitymemberserveothe

31、rsbeneficialtothecommunityofpeople.ThesocalledOutlookattitudeisontherecdincludingwhohowtocreatearecdofachievementshowtoevaluateperfmancesoon.WhatvalueswhatkindofOutlook.AdheretopeopleientedOutlookisonthepremiseofrespecti

32、ngtheinterestspowerofpeoplecreatingapopularwarmheartssteadyheartperfmancecreating“servefoneofficerthebenefitof“achievementsoverallconstructionofwelloffsocietypromotingtheallrounddevelopmentofpeoplesperfmance.Achievemente

33、valuationinbotheconomicaccomplishmentstakeanotherlookattheeffectivenessofsocialprogresschangesinbothurbanruralchangebothhardenvironmenttostrengthentakeanotherlookatthesoftenvironmentimprovementmomentumofdevelopmentatpres

34、entdependingonthepotentialfsustainabledevelopment.Leavepeopletotalkabout“values“arewthlessleavepeopletotalkabout“Outlook“isnotwhattheperfmance.4.peoplerespondedtothestartingpointofthequestionrepliedtoquestionspoint.Manis

35、thesumofsocialrelationships.Wecannotleavethechichuanyongduhousingtourismentertainmententertainingevencertainpoliticaleconomicculturalsocialenvironmentsoon.Duetohumanneedsallwalksoflifewillcomeintobeing.Peoplecreateftheir

36、survivalcontinueenjoyingtheresultsoftheconstruction.Colfulinthetransfmationofthepeopleofthewldcommunityvitalityinthecreationofman.Therefeanywkwedothestartingpointishumanwhatarepeople.Usspeedupdevelopmenttheceofwhichistom

37、eettheneedsofpeopleincludingsurvivalneedsemotionalneedsselfactualizationneeds.Itshouldbenotedthatpeoplearenotmachinesnottheslaveofanobjectnottobecontrolled.Peoplehavetheirownpersonalityhasitsownpersonalityhasitsowndignit

38、y.Personinneedofcareyouneedtounderstneedtomeet.Itissaidthatinthe“agriculturalsocietypeopleplant“in“industrialsocietymanisananimal““theinfmationsocietyreturnNowweareinanewhisticalstageofallroundconstructionofawelloffsocie

39、ty.Inperfmdutiescarriedoutwkofprocessinthewetoputpeopleasaguideprinciplesateststardefftsfrommassesmosthopedoofthingsdoupfrommassesmostcareofhotproblemgrabbedfrommassesmostnotsatisfactionofplacemodifiedupnotmakenominaloff

40、malismnotdogrstingofcosmetictoseekingofstylehelpmassesshareispeoplebenefit.(C)theinvesteepeopleisnotonlyanideaitisajobrequirement.PhilosophythroughtothepeopleientedthoughtinthewkoftheOfficemustbeclearwkobjectives.PartyOf

41、ficeinthecitythisyearremains:Advancedcivilstrifelocalbr.TheCounty(City)PartyCommitteeofficesunitsdirectlyundertheOfficetoholdhighthebanneroffirsttoexcellencepeopleientedrequirementsstrengthentheconstructionmanagementofth

42、eOfficetowardsthewk“ahigherlevel“.Investee1.politicalparticipationbasedonconspiracytoadheretopeopleientedwillbearoundtopromotecodinationDevelopmenteventsgreatsearchings.The16sessionofthepartysscientificOutlookondevelopme

43、ntisthenewCentralcollectiveleadershiptothedevelopmentofconnotationdevelopmentessentialsfurtherdeepentheessenceofdevelopmentinnovationisourpartysrulingideaaleap.Atpresentestablishingimplementingthescientificconceptofdevel

44、opmenthasbecomethepartysimptantwk.AstheOfficeofpartyCommitteewkingpartyshouldservicecenterinitiativetoclaimleadershipofthedecisionthecurrentfocusistofocusonpromotingcomprehensivecodinatedsustainabledevelopmentwithmesugge

45、stionsdomeresearchsummarizedthetypical.Oneisdraftedtoraisethelevelofyourpresentation.YourpresentationisthemainOfficeof“products“isthebasiccarrierstaffserviceisimptanttomeasureservicelevels.Thequalityofyourpresentationmai

46、nlydependsonhowmuchwedraftedadocumentrecognizedbytheleadershiphowmanyarelisteningtothepeopleinfavouroftherepthowmanypaiddividendsinthepracticalwk.ImprovepresentationdraftinglevelrequirementsweaccurategraspledintentGenera

47、lledcareofwkaretoasunderstGeneralledconsiderofproblemaretoindepththinkingrequirementswehighlightplacefeaturesputsuperiapproachpolicylocalactualcombinedupputpresentationofthemethrustmassesofbythoughtbywantstocombinedupreq

48、uirementsweseekstostreamlinedclearwithsimpleoflanguageexpressiondeepofthoughtwithshtoflengthhostedrichofconnotation.Secondthesurveyresultsme.InvestigationofthebasetheroadtosuccessissomethingisourfthePartyCommitteespolicy

49、decisionagoodideaanimptantpartofagoodstaff.ThisyeartofocusaroundindustrialXINGcityfarmersincreasemanpowerdevelopmentseekingmajproblemfosteradvantageindustryadjustmentagriculturalstructurecarriedA.B.C.D.38.微機(jī)中，存貯器與磁盤之間的數(shù)據(jù)

50、傳送采用（C）方式。查詢方式B.中斷C.DMAD.三者全有39.在三相全控橋式整流電路中，每隔A就有晶閘管要換流。A.B.C.D.40.下列電力電子器件中，D的驅(qū)動(dòng)功率小，驅(qū)動(dòng)電路簡單。A.普通晶閘管B.可關(guān)斷晶閘管C.電力晶體管D.功率場控晶體管41.在自動(dòng)控制系統(tǒng)中，若想穩(wěn)定某個(gè)物理量，就該引入該物理量的（B）A.正反饋B.負(fù)反饋C.微分負(fù)反饋D.微分正反饋42.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在啟動(dòng)時(shí)，調(diào)節(jié)作用主要靠（A）產(chǎn)生。A.

51、電流調(diào)節(jié)器B.速度調(diào)節(jié)器C.電流、速度調(diào)節(jié)器D.比例、積分調(diào)節(jié)器43.帶有速度、電流雙閉環(huán)調(diào)速系統(tǒng)，在系統(tǒng)過載或堵轉(zhuǎn)時(shí)，速度調(diào)節(jié)器處于（A）。A.飽和狀態(tài)B.調(diào)節(jié)狀態(tài)C.截止?fàn)顟B(tài)D.放大狀態(tài)44.不屬于分布式網(wǎng)絡(luò)的是（C）A網(wǎng)型網(wǎng)絡(luò)B.總線型網(wǎng)C.環(huán)型網(wǎng)D.三者都不是45.關(guān)于PLC，下列觀點(diǎn)哪個(gè)正確？（D）A.PLC與變頻器都可進(jìn)行故障自診斷。B.PLC的輸入電路采用光電耦合方式。C.PLC的直流開關(guān)量輸出模塊又稱為晶體管開關(guān)量輸出模

52、塊，屬無觸點(diǎn)輸出模塊。D.以上全正確。二、判斷題（）1.集成運(yùn)放實(shí)質(zhì)是直接耦合與阻容耦合密切結(jié)合的多級放大電路。（√）2.自動(dòng)調(diào)速系統(tǒng)采用PI調(diào)節(jié)器，因它既有較高的靜態(tài)精度，又有較快的動(dòng)態(tài)響應(yīng)。（）3.過零比較器的基礎(chǔ)上再引入負(fù)反饋，可構(gòu)成遲滯比較器。（√）4時(shí)序邏輯電路具有自啟動(dòng)能力的關(guān)鍵是能否從無效狀態(tài)轉(zhuǎn)入有效狀態(tài)。（√）5削除直流環(huán)流的典型辦法是：工作制。（√）6轉(zhuǎn)速超調(diào)是速度調(diào)節(jié)器退出飽和的唯一方式。（√）7.及時(shí)抑制電壓擾動(dòng)是