第1題Althoughthetoleranceistheabsolutevalue,thenumber"+"cannotbeaddedinfrontofthetolerancevalue.第2題Thelimitdeviationofthepartsisusedtocontroltheactualdeviation.第3題Thedeviationvalueofthepartscanbepositive,negativeandzero.第4題Theactualsizeofthepartisitstruevalue.第5題Theactualsizeofthepartsislessthanitsnominalsize,thenitmustbeunqualified.第6題Accordingtothenationalstandardkeywaywidthbelongstothehole.第7題Standardizationisaprocessofcontinuouscirculationandimprovement.第8題Theselectionofprioritynumbersystemistofollowtheprincipleoffirstdenseandthensparse.第9題Theprioritynumberseriesmustbethearithmeticdifferenceseries.第10題Theinterchangebetweenthepartsofthestandardcomponentsiscalledtheinternalexchange.第11題Toensuretheinterchangeability,theerrorofthepartsshouldbecontrolledwithinthespecifiedtolerancerange.第12題

Thetoleranceisgeneratedintheprocessingprocess,andtheerrorisgivenatthedesigntime.第13題Theexchangeofgeometricquantitiesofpartsmainlyreferstotheexchangeofmechanicalproperties.第14題Fullyexchangeandapplyforoff-factorycooperativeproduction.第15題Determinethedimensionofthetwotolerancebandlinesrespectivelyindicatethedimensions()And()。()AupperdeviationBlowerdeviationCactualdeviationDcommondifference正確答案：AB第16題Thealgebraicdifferenceoftheactualsizeminusthenominalsizeisthesize()。()AupperdeviationBlowerdeviationCactualdeviationDcommondifferenceQuestion3.multiplechoice第17題Thealgebraicdifferenceobtainedfromtheminimumlimitsizeminusitsnominalsizeiscalled()。()AupperdeviationBlowerdeviationCactualdeviationDbasicdeviation第18題Thegivensizeis()。()AIdealsizeBintendedsizeCextremedimensionDfullscale第19題R10/3isthepreferrednumbersystem()。()ABasicseriesBSupplementaryseriesCsubseriesDMainseries第20題()Representingthenationalstandards.()AISOBGBCDBDJB第1題Theupperacceptancelimitsizeofthepartisequaltothemaximumlimitsizeofthepartminusthesafetymargin;theloweracceptancelimitsizeisequaltotheminimumlimitsizeofthepartplusthesafetymargin.(√)Question2.singlechoice.1Atthemeasurement,thestandardtemperatureis().()A26°CB20°CC37°CD0°C第2題China'slegalunitoflengthmeasurementis().()AriceBmillimetreCmicronDcm第3題Thescorevalueofthepercentagetableis:()A0.1mmB0.01mmC0.001mmD0.02mm第4題Whichofthefollowingarethesourcesofmeasurementerror.()AMeasurementinstrumenterrorBenvironmentalerrorCmethodicerrorDpersonalerror正確答案：ABCD第5題

Thesmallerthemeasurementerror,thelowerthemeasurementaccuracy.第6題Theinspectionisonlytojudgewhetheritisqualified,butnotnecessarilycangetthespecificquantityvalue.第7題Ameasuringblockisasingle-valuemeterwithascale.第8題Themeasurementaccuracyofthemeasuringblockishigherthan"equal"comparedto"level".第9題Inthecombinationofblocksize,themorethenumber,thebetter.第10題

Duringmaintenance,youcandirectlycontactthemeasuringblockbyhand.第11題

Themeasurementrangeandthedisplayvaluerangearethesameconcept.第12題Thereasonsforthefrequentuseofverniercalipersintheworkshopare:simplestructure,easytouseandhighprecision.第13題Themeasurementaccuracyoftheouterdiametermicrometerislowerthanthatoftheverniercaliper.第14題Forthemeasuredgeometricquantitiesofdifferentsizes,theabsoluteerrorisusedtoassessorcomparetheirmeasurementaccuracy.第15題

LargegrosserrorsinthemeasurementcolumnshouldbeeliminatedaccordingtotheRaidacriteria.第16題Whenmeasuring,themicrometerandthemeasuredworkpieceshallhavethesametemperature.第17題

Foreachturnofthelongpointer,theshortpointerturnsascale.第18題Theupperacceptancelimitsizeofthepartisequaltothemaximumlimitsizeofthepartminusthesafetymargin;theloweracceptancelimitsizeisequaltotheminimumlimitsizeofthepartplusthesafetymargin.Module3testquestions第1題Intheoperationvideo,whichmeasuringinstrumentisusedtodetectthestraightnesserroroftheguiderail.()AdialgageBelectrolevelCcombineddiagramlevelDautocollimator第2題Thefollowingaretheexportelements.()AsphericalsurfaceBcentreofsphereCPlainlineDtransverseplane第3題Thefollowingitemswithshapetolerancesarethe.()AdepthofparallelismBcirclerun-outCstraightnessDdegreeofsymmetry第4題Theshapeofthegeometrictolerancebandoftheplanarityis:()ATwoparallelstraightlinesBTwoparallelplanesCTwo-isometriccurvedsurfacesDcylndricalsurface第5題Thegeometrictolerancebandofthegeometrictoleranceitemmustbeacylindricalshape:()AStraightnessoftheelementlineBTheverticalityacrossfromthelineCaxialityDcylindricity第6題Whichofthefollowingaredirectionaltolerance:()AdepthofparallelismBverticalityCbatterDdegreeofsymmetry正確答案：ABC第7題Theelementsdeterminingthegeometrictolerancebandare:()AformBbigorsmallCdirectionDposition正確答案：ABCD第8題Whichofthefollowingmethodscanbeusedtosimulatethereferenceaxis.()AtipBVframeCjacketDgageblock正確答案：ABC第9題

Theregiondiscriminationofplanarerrorisnotincluded

。A

TrianglecriterionB

Cross-guidelinesCStraightlineguidelinesD

Alternativecriteria第10題Whentheindicatortableisusedtomeasuretheradialcircularbeatingerrorofthecylinder,themeasuringheadoftheindicatortableisonlyperpendiculartotheaxisofthecylinder.第11題TheΦshouldbeaddedbeforethetolerancevalueoftheroundness.第12題Therounarityisthesameasthegeometrictolerancebandofradialcircle,sotheeffectisthesame.第13題Thetoleranceboxoftheshapetolerancehasonlytwoboxes.第14題AddΦbeforethetolerancevalueofthecoaxialdegree.第15題Whenmarkingthegeometrictolerance,thetoleranceboxcanonlybemarkedhorizontally.第16題Whenmarkingthegeometrictolerance,theguidelineisallowedtobend,butonlyonce.第17題

Whenthemeasuredelementisacomponentelement,theguidelinearrowshouldbeclearlystaggeredfromthedimensionline.第18題Theminimumconditionmeansthatthemaximumdistanceoftheextractedelementtotheidealelementistheminimum.第19題

Fortheconstituentelements,theidealelementsthatmeettheminimumconditionsareintheentityandareincontactwiththeextractionelementsofthetestedelements.第20題

Whenevaluatingtheshapeerror,thewidthfordiameterdofthesmallestareaistheshapeerrorvalue.Module4testquestions第1題Theunitsofsurfaceroughnessparametersare:()AdimensionlessBmicronCmillimetreDrice第2題Whichofthefollowingmethodstodetectsurfaceroughness.AcomparativelawBlight-sectionmethodCNeedledrawingmethodDinterferometry正確答案：ABCD第3題

Onthesamepart,theroughnessvalueoftheworkingsurfaceshouldbesmallerthanthatofthenon-workingsurface.第4題Thesamplinglengthisspecifiedtolimitandweakentheimpactofmacroscopicgeometryerrors.第5題Therougherthesurfaceis,thesmallerthesamplinglengthshouldbe.第6題Thedirectionofthebaselineisconsistentwiththeoveralldirectionofthecontour.第7題Forsurfaceswithhighcorrosionresistanceandsealingrequirements,theroughnessvalueshouldbelarge.第8題Thetipofthesurfaceroughnesssymbolmustbepointedfromtheoutsideofthematerialtotheinjectedsurface.第9題Selectthesurfaceroughnessevaluationparametervalue,thebetter.第10題Thesurfaceroughnesscanaccuratelyobtaintheroughnessvalueofthetestedsurface.第11題Thesurfaceroughnessshouldbemeasuredinthedirectionperpendiculartothemachiningtrace.第12題

Thecomparativemethodtoassessthesurfaceroughnessmethodissimple,suitableforproductionsiteuse,andismainlyusedtoevaluatethesurfacewithlowsurfaceroughnessrequirements.第13題Whenevaluatingtheshapeerror,thewidthfordiameterdofthesmallestareaistheshapeerrorvalue.第14題Whenmeasuringthestraightnessoftheguiderailwithahorizontalinstrument,thepositionoftheforwardtestandthebacktestcanbeinconsistent.Module5testquestions第1題Themeasuringrangeforonlytheruleris()。()A0o~50oB50o~140oC140o~230oD230o~320o第2題TheengravingprincipleoftheuniversalAnglerulerand()resemble.()AverniercalipersBmicrocalliperCdialgageDcomparatorQuestion3.multiplechoice第3題Conicfitincludes()。()AclearancefitBtransitionfitCshrinkfitDclosefit正確答案：ABC第4題Themethodofconefitformationincludes()。()ADisplacementtypeBStructuraltypeCSizemethodDShapemethod正確答案：AB第5題

Coniccoordinationisdividedintothreeforms:gapcoordination,overprofitcoordinationandtransitioncoordination.第6題Taperismeasuredinmm/m.

第7題Thebasesurfacedistancereferstothedistancebetweentheinnerandouterreferenceplanesoftheconical.第8題Ingeneral,insteadofseparatelydefiningtheconicalangletolerance,theactualconicalangleiscontrolledwithintheconicaldiametertoleranceband.第9題

Themeasurementrangeoftheuniversalangleruleris0~360.

第10題Thesinegaugecanbeusedasaprecisionmeasurement.第11題Thesinegaugeisanindirectmeasurement.

第12題Closecooperationhasinterchangeability.Module6testquestions第1題Thenominaldiameterofthenormalthreadis()。()ALargediameterofthreadBeffectivediameterofthreadCThreadedTrailDSinglemediumdiameter第2題ThetoothAngleofordinarythreadis()。()A20°B30°C60°D90°第3題ThreadmarkM8×1.25-6g,thefollowingexplanationofthethreadisincorrect:()ANominaldiameterof8mmBclosely-pitchedCThepitchis1.25mmDinternalthread第4題Threadmicrometerisusedformeasuringthread()。()ALargediameterBpitchdiameterCpathwayDpitch第5題Ordinarythreadcanbeusedastransmissionparts.第6題Trianglethreadiscommonlyusedasaconnectionthreadbecauseofitslargeequivalentfrictioncoefficientandhighstrength.第7題Therelationshipbetweenthenormalthreadpathandthenominalsizeofthelargediameter:d1=d-1.082532P.第8題M18×1.5-LMreferstotheAmericanthread.第9題Whenmeasuringthemiddlediameteroftheexternalthreadbythethree-needlemethod,theactualsizeofthemiddlediametercanbereaddirectlyfromtheinstrument.第10題Theordinarythreadaccuracystandardspecifiesthetoleranceofdiameter,pitchandtoothhalfanglerespectively.第11題Threadgaugehaspassgaugeandstopgauge.Intheinspectionofthread,itcanbeusedincombinationorseparately.第12題Thethreadgaugeisusedtocheckthequalificationofthethreadduringthecomprehensiveinspection.Module7testquestions第1題Theradialdeviationofonegearmainlyaffectstheuserequirementsofgeartransmission.()AAccuracyofthedeliveredmovementsBMovementsmoothnessCUniformityoftheloaddistributionDSide-gapplausibility第2題Becausethegearsidegapisconducivetothestorageoflubricatingoilandthecompensationfortheelasticdeformationandthermaldeformationofthegearunderforce,thelargerthesidegapisThebetter.第3題

Gearfordifferentpurposesanddifferentworkingconditionshavedifferentrequirementsforgeartransmission.第4題Frisalsocommonlyusedinthefactoryinsteadoftheballhead.Itsdiameteris1.68mandmisthemodulusofthetestedgear.第5題Duringthegearprocessing,thegeometriceccentricityiscausedbythenonoverlappingaxisofthetoothblankreferenceholeandtherotatingaxisoftherollingmachineworkingplatform.第6題Thevariationofthelengthofthegearnormalreferstothedifferencebetweenthemaximumandminimumvaluesoftheactuallengthofthegearwithinaweekofthegear.第7題Measurethelengthofthecommonnormalaccordingtothecommonnormal.第8題Gearpaircontactspotreferstothecontactpolishtracedistributedonthetoothsurfaceafterrunningoftheassembledgearpairunderslightbraking.第9題Whenthegearbeatingdetectordetectsthegearradialbeating,itdoes