工程制图（全英语）智慧树知到期末考试答案章节答案2024年中国石油大学（华东）

工程制图（全英语）智慧树知到期末考试答案+章节答案2024年中国石油大学（华东）

答案:错

答案:错

答案:对Assemblydrawingisusuallydrawnafterallthepartstowhichitbelongshavebeendrawn.

答案:错Whendimensioningofmetricthread,theextensionlineshouldbedrawnfrommajordiameter

答案:对

答案:错

答案:对

答案:对

答案:对

答案:对ThehorizontalprojectionofpointAinspaceisrepresentedbya

答案:对Thesquareisusedtomakehorizontalline

答案:对

答案:错Theintersectionlineofthethree-dimensionalplaneoftheplaneisaplanepolygon

答案:对

答案:A;C

答案:错

答案:1

答案:b

答案:dIfacirclewithadiameterof40isdrawnata1:5scale,thedrawingdiameteris

（）

答案:8

答案:C

答案:d

答案:bWhichtwoviewsshouldfollowtheprojectionruleofwidthequality?

答案:topviewandleftview

答案:D

答案:frontalline

答案:d

答案:bThesymbolthatrepresentsthicknessindimensioningis(

)

答案:t

答案:a

答案:b

答案:对

答案:对Astudhastwoends,theyarenutendandmetalend

答案:对Thefactorsthataffecttheshapeoftheintersectinglineareasfollows:theshape,sizeandmutualpositionofthetwo-dimensional

答案:对

答案:对Horizontalprojectionreflectsastraightlineoftruelength,whichmustbeahorizontalline.

答案:错TheVprojectionoftwopointscanreflecttherelationshipbetweentheupperandlowersidesofthespaceandtheleftandrightsidesofthepoint.

答案:对Allthespecialpointsontheinterceptinglinemustbemade,includingthepointofcurveproperty,thepointofdeterminingtherange,andthedividingpoint.

答案:对

答案:错

答案:错

答案:错

答案:对ThecoordinatesofpointAare(35,20,15),thenthedistancebetweenthepointandtheWplaneis35

答案:对Theintersectinglineofthetwocylindersisaplanecurve.

答案:错

答案:错Theoverallsizeofthepartneedstobemarkedunderanycircumstances

答案:错

答案:错Ifacircleof20isdrawnata1:2scale,thedrawingdiameteris40

答案:错Theintersectinglineisthecommoncablebetweentheintersectingplaneandthethree-dimensionalsurface.

答案:对Theparallelogramisparalleltotheprojectionplane,anditsprojectionontheprojectionplaneaccumulatesintoaline.

答案:错

答案:错

答案:错Theprojectionlawbetweenthethreeviewsisasfollows:

答案:sameheight;samewidth;samelength

答案:B;A

答案:对

答案:D

答案:a

答案:a

答案:d

答案:BThecoordinatesofpointAare(15,25,55),thenthedistancebetweenthepointandtheHplaneis(

)

答案:55ThesizeoftheA3drawingformatspecifiedinthenationalstandardis

答案:297*420

答案:aThecodenameforthepipethreadis

(

)

答案:G

答案:aWhichofthefollowinglinearexpressionsisusedforthreadterminationlines?

答案:thickline

答案:b

答案:C

答案:c

答案:c

答案:boththethreeprojections

答案:dIfacircleof80isdrawnata1:2scale,thedrawingdiameteris(

)

答案:40

答案:b

答案:对

答案:错Theelevationviewreflectsthelengthandheightoftheobject,andthebackviewreflectsthelengthandwidthoftheobject.

答案:错

答案:错

答案:错

答案:错

答案:错Closenessreferstothefactthattheshapeoftheintersectinglineoftheplaneisaclosedpolygons.

答案:对Thetitleblockusuallyliesintherightcornerofdrawingsheet

答案:对

答案:错Ifthetwostraightlinesinspaceareparalleltoeachother,theirprojectionsonthesameplanemustbeparalleltoeachother

答案:错

答案:对

答案:对

答案:对

答案:对

答案:错Tolerancesindicatetherangewithinwhichdimensionsareallowedtochangeandmustbepositivenumber.

答案:对Ifthethreadnumbern=1,thenpitchandleadareequal.

答案:对

答案:对

答案:对

答案:对

答案:对

答案:对

答案:对

答案:错Thecoordinatesofthepointdeterminethedistancefromthepointtotheprojectionplane,wheretheXcoordinaterepresentsthedistancefromthepointtotheWplane.

答案:对

答案:错

答案:C;A

答案:D;A;CThecenterlineshallbe3-5mmabovethecontourline.

答案:对

答案:对Space2:a(10,12,20),B(10,30,20),indicatingthatpointAisrightbehindpointB.

答案:对Thehorizontalplaneprojectionofthehorizontallinereflectsthetruelength.

答案:对Thethree-axisangleoftheorthographicprojectionis60°.

答案:错

答案:对

答案:c

答案:a

答案:cThesizeanddigitaldirectionspecifiedinthenationalstandardis(

)

答案:Theupward,left,tilteddimensioningheadsaregenerallyupwardtoleftIncircularview,thenotchofscrewheadshouldbedrawnwithaninclindangleof(

)

答案:45°

答案:circleTheprojectionofastraightlineonaparallelprojectionplaneis

答案:truelength

答案:c

答案:d

答案:CWhatkindofprojectionisthemostcommonlyusedinmechanicalengineering

答案:orthographicprojection

答案:c

答案:cTheanglesthatcannotbedrawnwithaT-rulerandtriangulationare(

)

答案:37°

答案:d

答案:b

答案:aIntersectionlinesmayhave(

)pairsof

projectionsintersecting

答案:1or2or3

答案:b

答案:c

答案:d

答案:C

答案:dThespatialpositionofthepointcanbedeterminedbyhowmanyprojectionsofthepoint?

答案:2

答案:dThetoleranceof132±0.0125is

答案:0.0255:1

is

(

)scale

答案:enlargedscaleIfacirclewithadiameterof10isdrawnat2：1scale,thedrawingdiameteris（）

答案:20

答案:c

答案:parallelThecontentsofassemblydrawings

答案:necessarydimensions;agroupofviews;technicalrequirementOveralldimensionsshowthe(

)ofthecompositesolid

答案:height;width;overalllengthNecessarydimensionsinclude:

答案:otherimportant;characteristicdimension;overalldimension;mountingdimension;assemblydimensionWhentwopart'ssurfacecontacting,therehadbetterbeonlyonepairofcontactsurfacesinthesamedirection

答案:对Technicalrequirementsonadetaildrawingincludesurfacetexture,dimensiontolerance,geometricaltolerance,heattreatmentandsurfacetreatment,machiningandinspection,andotherspecialrequirements

答案:对Insidetheblock,youshouldsignyournameandobjectname

答案:对Agroupofviews:

答案:assemblyrelationshapeamongparts;basicstructureofeachpart;motiontransmittingandoperationprincipleWhatistheunitinRa6.3?

答案:umwecanfindthematerialfromtitleblock

答案:对Whatisthemostcommonlyusedevaluationparameterofsurfaceroughness

答案:RaWhatprincipledoesoneshouldfollowinsetpositionofapart?

答案:machiningpositionandworkingpositionWhatisthefitofH7/f6?

答案:clearancefitWhenrepresentashaft,thenon-circularviewshouldbechosenasmainview

答案:对Thedimensionchainshouldbeclosed

答案:错Howmuchistheupperdeviationofh6

答案:0Inholebasedsystemoffit,whatisthebasicdevitaionsymmbolofthehole

答案:HTheupperdeviationis:maximumsize-basicsizeandthelowerdeviationis:minimumsize-basicsize

答案:对Whendrawinternalthread,majordiameterisdrawnasthinline,minoroneisdrawnasthicklineinnoncircularview.

答案:对

答案:cKeywayinsideawheelisnormallythrough

答案:对whatdoesM,Tr,Rmeanrespectivelyinthreadmarks?

答案:metricthread,trapezoidalthread,sealingpipethreadInscrewjoint,theendlineshouldbedrawnatthepositionof

答案:abovethecontactingsurfacewhatdoesthe6meaninsymbolofwasherGB/T97.1-20026

答案:nominaldiameterofthewasherTheaddendumcircleislargerthanpitchcircle,andthededendumcircleisthesmallestone

答案:对Instudjoint,thelength,Bmofmetalenddependsonmaterialconnected.

答案:Bm=d,forsteel;Bm=1.25dor1.5dforcastiron;Bm=2dforaluminumWhetwoadjacentpartarecut,thehatchingdirectionshallbereverese.

答案:对Whatisthediameterrelationshipbetweenholeandbolt?

答案:theholediametershouldbelargerthanboltdiameter;theholediametershouldbe1.1timesofboltdiameterWhatdoesLHmeaninthreadmarks?

答案:lefthandthreadInthesymbolofkey16X100GB/T1096-2003,whatdoes100mean?

答案:lengthofthekeyWhenacuttingplanepassthroughsymmetricpositionofarib,thereshouldbenohatchingontheareaoftherib.

答案:对Whenacuttingplanepassthroughthesymmetricposition,thelabelinglocationsymbolscanbeomitted.

答案:对Anobjectberepresentedaslocalsectionintheconditionthatboththeoutsideandinsidearecomplex,anditsstructureisnotsymmetry

答案:对Thearrowheadcanbeomittedwhenthecutstructureissymmetry,

答案:对Superpositioncutisrepresentedasthicklineandisputinsidetheoriginalview

答案:错Thepositionoflabelingthenamelettersforasectionalviewshouldbeaboveitsview

答案:对whenseveralparallelcuttingplanesareusedtocut,therewillbeaboldlineatthecornerofturningpoint.

答案:错Howmuchistheinclinedangleofhatchingforthecommonlyusedmetallicmaterial

答案:45°Thecutisrepresentedonlyonthecroosection,butthesectionisrepresentedforallthevisibleoutlines

答案:对Whenainclinedcuttingplaneisused,theinclinedsectionalviewcanberotatedatanangleoflessthan45°.

答案:对isthedashedlinenecessaryinisometricprojection?

答案:错Thethreetypesofdimensionincludeshapedimension,locationdimensionandoveralldimension

答案:对Theoveralllengthisnecessaryforaroundendplate.

答案:错

答案:bWhataretheregulationsofthreeviews?mainviewandleftview:

;

mainviewandtopview:

;

topandleftview:

.

答案:sameheight;samelength;samewidth

答案:b

答案:d

答案:cHowmuchistheaxesangleofisometricprojection

答案:120°longerdimensionshouldbeoutsideofshortones.

答案:对

答案:b

答案:c

答案:d

答案:c

答案:a

答案:c

答案:a

答案:c

答案:a

答案:b

答案:d

答案:bWhattypeofintersectionlinecanyouget,whenaspherecutbyaplane?

答案:circleHowmanytypesofparallellinearethererelativetoprojectionplane?

答案:3HowcanyourepresentVprojectionofapoint?

答案:a'Twolinesareparallelinspaceprovidedthattheirrespectiveprojectionsontwoprojectionplanesareparallel.

答案:对Whichprojectionisthetruelengthforafrontalline?

答案:VprojectionWhichprojectionaccumulatesasapointforaHperpendicularline?