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1、装配钳工鉴定初级试题及答案（Assemblyfitteridentificationofprimaryexaminationquestionsandanswers）First,individualchoice(firstquestions~seventiethquestions).Chooseacorrectanswerandputthecorrespondinglettersintothebracketsinthequestions.1pointspergame,70points.)1.violationofs
2、afetyproceduresis(D).A,strictlyabidebyproductiondisciplineBandfollowsafeoperatingproceduresC,theimplementationofthenationallaborprotectionpolicyD,canuseunfamiliarmachinetoolsandtools2.,keeptheworkingenvironmentcleanandorderly,notcorrect(C).A,acleanworkenviron
3、mentcaninspirestaffspiritBandoptimizetheworkingenvironmentC,aftertheendofthework,andthenremovetheoilD,semifinishedmaterial,semifinishedproduct,accordingtotheregulationpilesupneatly3.fortherotatingview,thefollowingstatementisincorrect(B).A,thetiltedpartneedsto
4、berotatedfirstandprojectedback,andtheprojectionshouldreflecttheactuallengthoftheinclineTheBandrotationviewsapplyonlytotheshapeofalltiltedstructuresC,rotateviewwithoutanycalloutD,assumingthatthetiltofthecomponentrotatestoaparalleltoaselectedbasicprojectionsurf
5、aceandthenprojectedtotheprojectionsurface,theresultingviewisreferredtoasarotatingview4.,thebasicsizeisstandardizedfor(D).AandsimplifythedesignprocessB,easytodesigncalculationC,measurementofconvenientsizeD,simplifiedspecificationsfortools,gauges,profilesandpar
6、tsdimensionsThecarboncontentof5.nodularcastironis(C).A,2.2%~2.8%B,2.9%~3.5%C,3.6%~3.9%D,4%~4.3%6.verniercaliperswithtwojawsatthetopareusedformeasuring(A).A,innerholeB,grooveCandgearnormallinelengthD,outsidediameter7.machinehinge,shouldmaketheworkpiece(A)clamp
7、ing,drillingandreamingwork,inordertoensurethecenterlineofreameranddrillingcenterlineconsistent.A,onceB,twotimesC,threetimesD,fourtimes8.platebracesthreads,whenthecuttingpartofthedieintotheworkpiece,twohandedforceto(C)rotation,lateralpressurecannothave.A,large
8、rB,bigC,uniformandsmoothD,smaller9.,theincorrectdescriptionaboutlow-voltagecircuitbreakersis(A).AdoesnothaveoverloadprotectionfunctionB,easytoinstallanduse,adjustablemovementvalueC,safeop
