高级电工无纸化考试体验标答对照

高级电工无纸化考试体验标答对照

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时间:2018-07-28

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1、高级电工无纸化考试体验标答对照8Theseniorelectrician'spaperlesstestexperiencestandard8AcomparisonofthepaperlesstestexperienceAtotalof100questions.Thehigherthedurationofwelding,thehigherthedurationofwelding.Thecorrectanswer:squarerootofyouranswer:Transformercanchangedcvoltage.Youranswer:Thetype324

2、0organicsiliconepoxylaminatedglassboardisratedB.Youranswer:4,electromagnetelectromagneticsuctionisusedtomanipulateandtractionmechanisminordertoachievethedesiredaction,orholdingfixedpartsusedinsteel,ferromagneticobjectsliftinghandlingandsoon,soitisalsoconvertselectricalenergyintome

3、chanicalenergyofalowvoltageelectricalappliances.Thecorrectanswer:squarerootofyouranswer:Theprincipleofelectromagneticclutchbrakingisthatwhenthemotorisstationary,thebrakeelectromagnethasnoelectricity.Whenthemotorisoutofpower,thebrakeelectromagnetmoves.Thecorrectanswer:squarerootofy

4、ouranswer:Thesingletoothpatternfileissuitableforfilingsoftmaterials,andthedoubletoothpatternfileissuitableforfilinghardmaterials.Thecorrectanswer:squarerootofyouranswer:7,asbestosproductshavestonecottonyarn,thread,rope,paper,board,wovenbelt,etc,haveheatpreservation,heatresistance,

5、acidandalkaliresistance,corrosionresistance,etc.,butnoinsulation.Youranswer:Theswitchisalsocalledacombinationswitch,whichisusedasapowersupplyswitchintheelectriccontrolcircuitofthemachinetool.Thecorrectanswer:squarerootofyouranswer:Themainfunctionofsiliconinsiliconsteelsheetistoinc

6、reasethepermeability,reducethehysteresislossandreducetheagingofthesiliconsteelsheet.Thecorrectanswer:squarerootofyouranswer:Theimpedancevoltageisthemagnitudeoftheimpedancedropwhenthetransformerisrated.Thecorrectanswer:squarerootofyouranswer:IfdoΔconnection,three-phasesymmetricallo

7、ad,eachphaseofloadimpedancefor10Ω,meetonlinevoltageof380vthree-phaseaccircuit,thecircuitofthelinecurrentis38a.Youranswer:Thelowvoltageofthepowersupplywillmakethesecondaryvoltageoftherectifierarcweldingmachinetoolow.Thecorrectanswer:squarerootofyouranswer:13,dcgeneratorcomponentsin

8、thearmaturewindingelectromotivefo

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