工程制圖（雙語）知到章節(jié)測試答案智慧樹2023年最新吉林大學第一章測試

Accordingtonationalstandard,whichofthefollowingarepreferredscales?

參考答案:

5：1;2：1

Whichofthefollowingletteringheightsareprovidedinnationalstandards?

參考答案:

10;7;5

Thesymbol"GB/T14689-2008"denotesthattheconcernnationalstandardiscompulsory.

參考答案:

錯

Whenwemakeadrawing,aframeshouldbedrawninsideoftheoutmostedgesofthedrawingsheet.Therearetwostylesofdrawingsheetlayout:withafillingmarginandwithoutafillingmargin.

參考答案:

對

Whichofthefollowinglinesareusedasdimensionlines,extensionlines,leaderlines,constructionlines,sectionlinesandprojectionlines?

參考答案:

Thinsolidlines

第二章測試

Whichofthefollowingaretheprojectionrulesoftheprojectionsofpoints？

參考答案:

Thehorizontalprojectionandtheprofileprojectionofthesamepointhavethesamewidthcoordinate.;Thefrontalprojectionandtheprofileprojectionofthesamepointshouldbealignedhorizontally.;Thefrontalprojectionandthehorizontalprojectionofthesamepointshouldbealignedvertically.

Whataretheprojectionpropertiesoffrontalline?

參考答案:

TheprofileprojectionisparalleltoaxisOZ.;Thefrontalprojectiongivesthetruesize.;ThehorizontalprojectionisparalleltoaxisOX.;TheanglebetweenthefrontalprojectionandaxisOXequalstheangleofthespaciallineandthehorizontalplaneofprojection.

Ifalineisanobliqueline,theprojectionsofthelinewillbeforeshortenedlinesinthethreeplanesofprojections.

參考答案:

對

Theconnectinglinebetweenthespacialpointanditshorizontalprojectionreflectsthedistanceofthepointtothehorizontalplaneofprojection,anditequalsthecoordinateXofthepoint.

參考答案:

錯

AccordingtothedifferenceofXcoordinatesofthetwopoints,wecantelltherelativepositionofthesetwopointsinfront-reardirection.

參考答案:

錯

第三章測試

Whichofthesolidcanwemakestraightlinesonitssurfaces?

參考答案:

Pyramid;Prism;Cylinder;Cone

Whenweneedtomakeapointonthesurfaceofasolid,onwhichofthefollowingsolidtheauxiliarylatitudecirclemethodcanbeused?

參考答案:

Sphere;Cone

Whenmakingprojectionsofpointsintheconicalsurfacesofconesandsphericalsurfacesonspheres,auxiliaryelementmethodandauxiliarylatitudecirclemethodcanbothbeused.

參考答案:

錯

Whenasphereiscutbyaplaneatanylocation,alloftheprojectionsoftheproducedintersectionarecircles.

參考答案:

錯

Whendimensioningacompositesolidwhichisformedbycutting,thedimensionsshouldbegivenatthelocationwherethesolidiscut.

參考答案:

對

第四章測試

Whentheviewsofacompositesolidformedbyaddingaredrawn,thesolidcanbeconsideredasformedbysmallfeatures,andthentheviewsofthefeaturesaredrawnonebyone.Intheprocessofdrawingviewsofthefeatures,weshouldkeepinmindthatthecompositesolidisawholesolid.

參考答案:

對

Whentheviewsofacompositesolidformedbycuttingaredrawn,thesolidcanbeconsideredasaextrudingprismandthencutbydifferentplanes.

參考答案:

對

Whichoftheusagesofcenterlinesinviewsarecorrect?

參考答案:

Expressaxisofsolidsofrevolution.;Showtheprojectionofsymmetricplaneofasolidinacertaindirection;Expresscrossedcenterlinesofcircularprojections

Theisometricprojectionofafrontalcircleisanellipse.Theminoraxisoftheellipseisincoincidencewith,andthemajoraxisoftheellipseisperpendicularto.

參考答案:

axisY1,axisY1

Theisometricprojectionofaprofilecircleisanellipse.Theminoraxisoftheellipseisincoincidencewith

,andthemajoraxisoftheellipseisperpendicularto

.

參考答案:

axisX1,axisX1

第五章測試

Whatrepresentationmethodsareincludedinthemethod'view',thatis,non-sectionedview?

參考答案:

Principleview;Referrencearrowview;Inclinedview;Partialview

Accordingtothecuttingrange,sectinalviewsinclude.

參考答案:

Fullsectionalview;Halfsectionalview;Broken-outsection

Accordingtothedifferentstructuresofthemachineparts,differenttypesofcuttingsurfacescanbeused.Thecuttingsurfacesinclude.

參考答案:

Severalintersectingcuttingplanes;Severalparallelcuttingplanes;Singlecuttingplane;Singlecylindricalsurface

Choosethepropertiesofthegeneralsectionlinefromthefollowingdescription.

參考答案:

Paralleltoeachother;Thinsolidline;Havingthesameinterval;45°or135°abouthorizontalline

Inoccasionsofrepresentingarelativelycomplexpart,threestandardviewsarenotenoughtoshowallthedetailsofthepartclearlyandcompletely.

參考答案:

對

第六章測試

Whichscrewthreadtermisthenominaldiameter?

參考答案:

Majordiameter

Whichoptionsbelongtothefiveimportantscrewthreadelements?

參考答案:

Threadnumber;Majordiameter,pitchdiameterandminordiameter;Turningdirection;Pitchandlead;Treadform

Inthefollowingoptions,arestandardparts.

參考答案:

Keys;Commonlyusedthreadfasteners

Whichoptionisthetypesymbolforpipethreads?

參考答案:

G

Whichsurfaceisworkingsurfaceofsquareandrectangularkeyjoint?

參考答案:

Sidesurface

第七章測試

Indimensionφ60f7inadetaildrawing,φ60is,fis,7is.

參考答案:

Thenominalsizeofarevolvedsurface,thefundamentaldeviationsymbolofanexternalsurface,theITgrade.

WhichofthefollownumbersareofRavalues?

參考答案:

12.5;3.2;6.3

Whenashaftisrepresented,theaxisofitshouldbeplacedhorizontally.

參考答案:

對

Theoveralldimensionofapartinacertaindirectionneedsnottobegiveninconditionthatthedimensionsofeachportionhavealreadybeengiven.

參考答案:

錯

Toleranceisthedifferencebetweenthepermittedmaximumandminimumsizesofapart.Italsoequalsthedifferencebetweentheupperlimitdeviationandthelowerlimitdeviation.

參考答案:

對

第八章測試

Whatofthefollowingarethecontentsofassemblydrawings?

參考答案:

Agroupofviews;Titleblock,partnumbersandpartslist;Technicalrequirements

Whatofthefollowingareindicatedinassemblydrawings?

參考答案:

Workingprincipleofassembly;Assemblingrelationshipsofparts

Whatofthefollowingareincludedinpartslistsofassemblydrawings?

參考答案:

Namesofparts;Thenumberofcertainpartsinanindividualassembly;Materialsofparts

Whatofthefollowingareofthespecialrepresentationmethodsofassemblydrawing?

參考答案:

Phantomrepresentation;Drawaviewofacertainpart;Takingseveralpartsapart

Themethodswhichcanbeusedinrepresentingmachineparts,includeregularviews,sectionalviews,removedsections,andthelike,whichcanalsobeusedtorepresentassemblies.

參考答案:

對

第九章測試

InusingAutoCADsoftware,theoperationsequenceofwhichofthefollowingcommandsisstartthecommand,selecttheobjects,specifybasepoint,specifysecondpoint.

參考答案:

Move;Copy

InusingAutoCADso