CREO / PROE QUESTIONS

ALL QUESTIONS RELATED TO CREO /PROE WITH ANSWERS.

1. PARAGD
InterviewQuestions:
1.Whatisthedifferencebetweenobjectreferenceandgeometricassociativity?
A.Objectreferenceisadatamanagementtermthathastodowiththewayoneobject
referencesanother.Geometricassociativityhastodowithhowapartsgeometrycanbe
changedfromthepartordrawing.
2.Whatarethefileextensionsgiventosketches,parts,assemblies,drawings?
A.Sketches-.sec,Parts-.prt,Assemblies-.asm,Drawings-.drw
3.Howshouldyoucreateanewpartorassembly?Why?
A.Youshouldalwayscreateanewpartorassemblyusingthecopyfromoptioninthenew
dialogboxandcopyastartpart.Thisensurestheproperlayersetup,savedviews,datum
planes,parameters,etc.
4.Whatistheuseofconfig.profile?
A.Theconfig.profilecontainsconfigurationoptionswhichcontrolthebehaviorof
Pro/ENGINEER.Thisfilealsocontainsusermacroswhicharecalledmapkeys.
5.Whatisatrailfile?
A.Thetrailfileisarecordofeverymenupickandscreenpickandkeyboardinputduringan
entiresessionofpro/engineer.Thisfilecanberetrievedandeditedandreplayedtoretrieve
worklostduringanunexpectedfailureofasession.
6.Whatisthemeaningof"storeback"?
A.'Storeback'referstothebehaviorinwhichanobjectisstoredbacktothedirectoryfrom
whereitwasopenednotnecessarilythecurrentworkingdirectory.
7.WhatisthedifferencebetweenFile->EraseandFile->Delete?
A.Fileeraseremovestheobjectfromtheramofthecomputerandfiledeleteremovesthe
objectfromthediskorharddriveofthecomputer.
8.WhatisthedifferencebetweenFile->SaveandFile->Backup?
A.Filesavestorestheobjectinthedirectorywhereitwasopenedfromandfilebackup
copiestheobjecttothespecifieddirectoryusingthesamename.

2. PARAGD
9.AfterperformingaFile,SaveAs,whatisthecurrentobject?
A.Afterperformingafilesaveascommandthecurrentobjectisnotanewobjectitisthe
oldobject.
10.IfIuseWindowinPro/EngineerandClosewithoutsavingmymodel,haveIlostmy
work?
A.No.
11.Namesixcommonassumptionsthesketcherwillmake.
A.Sixcommonassupmptionthesketcherwillmakeareasfollows-Horizontalandvertical,
equallengthlines,equalradiusordiameter,co-linearity,90and180degreearcs,pointsonthe
samehorizontalorvertical,pointsonotherentities,tangency,symmetry,paralleland
perpendicularlines.
12.WhatisthedifferencebetweenOneSideandBothSidesinextrusion?
A.One-sideextrudesonlyonespecifieddirectionfromthesketchingplane.Bothsides
extrudesbothsidesofthesketchingplanes.
13.Howdoyouchangedimensionsofafeature?
A.Modify>pickthefeature>pickthedimension>enterthenewvalue>selectregenerate.
14.Whatisthemodeltree?
A.Themodeltreeisagraphicalrepresentationofthefeaturesand/orcomponentsinthe
model.
15.Define"ParametricFeatureBasedModeling"?
A.Parametricmeansdrivenbyparameters.Featurebasedmeansyoudefineaseriesof
instructions(features)totellthesystemyourdesignintent.Modelingmeanscreating
computerimagescoupledwithgeometricinformationdefiningapartorassembly.
16.Whatisdatumplanescreated‘onthefly’?
A.Thedatumplanecreatedontheflymeansitwascreatedwhenyouwereinthemiddleof
creatingsomethingelseanditgoesawayafterthethingyoureallywantedwascreated.These
arecreatedusingthe'makedatum'command.

3. PARAGD
17.Listfiveusesofdatumplanes.
A.Fiveusesofdatamplaneareasfollows-Sketchingplane,referenceplane,dimensionand
alignmentreferences,geometrictolerancing,creatingcrosssections.
18.Listthreeusesofdatumaxes.
A.Threeusesofdatumaxesareasfollow-Dimensionandalignmentreferences,centerlines
ondrawings,geometrictolerancing,coaxialhole.
19.Listtwousesofadatumcoordinatesystem.
A..DatumcoordinatesystemisusedWhileexportingtoigesandstl.
20.Nameafeaturethatcanbothaddandremovematerial.
A.Roundsandchamfersarethefeatureswhichcanbothaddorremovethematerial.
21.Whendofeaturerelationevaluate?
A..Whenthefeatureregenerates.
22.WhatisaconstraintrelationinPro/Engineer?
A.Aconstraintrelationisusedtoputlimitsonparameters(usuallydimensions)baseddesign
intentand/ormanufacturinglimitations.
23.Namefourtypesofparameters?
A.Integer,realnumber,string,yes_no.
24.Whatisalogicstatement?
A.Logicstatementsareaseriesofrelationsthattestparametervaluesandperformsactions
basedontheresultsofthetest.
25.Whyshouldyoucommentrelations?
A.Youshouldcommentrelationssothatotheruserscanunderstandwhatyouaretryingto
accomplishwiththerelations.
26.Whatdoes‘sortrelations’do?
A.Sortstherelationsincaseofcircularreferenceswithintherelations.

4. PARAGD
27.CanyouaddmotiontoapartinPro/Engineer?
A.Yes.
28.Howdoyouaddamodelparameterinadrawingnote?
A.Useampersandandthentheparametername(&material).
29.Whatisthedifferencebetween"Move"and"MoveText"?
A.Moveallowsyoutomovetheselecteditemanywhere.Movetextallowsyoutomovethe
selecteditemonlyparalleltotheelbow.
30.NamethefourtypesoftoleranceformatsavailableinPro/Engineer?
A.Nominal(notoleranceshown),plus/minus,plus/minussymmetric,limits.
31.Whichofthetoleranceformatsshouldyounotuse?
A.Plus/minus(becausemanufacturingpeoplewantthemodelatthemeansizenotthe
nominalsize).
32.Whatisadrawingsymbol?
A.Asymbolisacollectionofdraftentitiesthatarestoredtogetherforreuseonother
drawings.
33.Canadrawingreferencemorethanoneassembly?
A.Yes.
34.CanaPro/EngineerdrawingbeopenedinAutoCAD?
A.No.(Yes,butonlyaftertranslationtodxforigesordwg).
35.Cantheunitsofapartbechangedwithoutchangingthesizeofthepart?
A.Yes.
36.Whatarethestepsrequiredtogetjustonecomponentsdefaultdatumplanes
displayedinanassembly?

5. PARAGD
A.Usinglayers,blankthelayercontainingthedefaultdatumplanes,picktheplussignnextto
thatlayerinthelayerdisplaydialogboxandthenpickthecomponentthatyouwanttoseethe
planesinandthenpicktheshowicon.
37.Whytheabovementionedstepsshouldbecarriedout?
A.Tobesurethatwhencreatingafeature,youareusingthedatumplanesinthatpartsothat
youdon’tmakeunwantedexternalreferences(parent/childrelationships).
38.Whatdoes‘savestatus’inthelayermenudo?
A.Savestatuspermanentlysetsthelayerdisplaysstatusofthemodelsothatwhenthemodel
issavedandopenedagainthelayerdisplayisstillsetthatway.
39.Whatfunctioninlayersshouldyounotuse?
A.Itisnormallyrecommendedthatbeginnersnotusetheisolatefunctioninlayerdisplay.
40.Whencopyingafeature,whatisthedifferencebetween‘dependent’and
‘independent’inPro/Engineer?
A.Dependentmeansthatthecopyfeaturewillchangewhentheoriginalfeatureischanged.
Independentmeansthatthenewfeaturewillnotchangewhenyouchangetheoriginalfeature.
41.Whatisdifferentaboutafeaturethathasadependentcopy?
A.Whenredefiningafeaturethathasadependentcopy,thealignmentfunctioninthe
sketcherisnotavailable.
42.Howdoyoumakeadependentcopyfeatureindependentfromitsoriginalfeature?
A.Usemodify,makeindependent.
43.Whatisthepro_group_dirforinPro/Engineer?
A.Thisconfigurationoptionisusedtotellthesystemwhereyouarekeepingyourudf’s.
44.Whatshouldyoudoifcreatingfeaturesthataretobeincludedinauserdefined
feature?
A.Limitthenumberofparents.Ifmultiplefeaturesaretobeincludedintheudf,theyshould
shareasmanyparentsaspossibletoreducethenumberofpromptsrequiredtoplacetheudf
intoanotherpart.

6. PARAGD
45.Infamilytables,whatisa‘generic’andwhatisan‘instance’?
A.InPro/Engineerthegenericistheoriginalmodel.Theinstancesarecreatedbythesystem
basedonthecombinationofthegenericandthetable.
46.Whattypeofviewshouldbethefirstviewaddedtoadrawing?
A.General,andyoumustorientitusingsaveviewsfromthemodel.
47.WhyshouldyouuseDisplayModeondrawingviews?
A.Becausebydefault,drawingviewsgettheirhiddenlineremovalfromtheenvironment.
Eachusersenvironmentmaybedifferentthuscausingthedrawingviewstolookdifferent
whenanotheruseropensthedrawing.
48.Whatisa‘show’dimension?
A.Adimensionfromthemodel.
49.Ifyoueraseadimension,isitgoneforever?
A.No.
50.Whyisitagoodideatostartdrawingsearlyinthepartdesign?
A.Becauseit’seasiertoshowthedimensionsfromthemodelafewfeaturesatatime.Start
thedrawingearlyandhavethedrawingprocessbeaparallelprocesswithcreatingthepart.In
otherwords,createacouplefeatures,gotothedrawing,showthedimensionsfromthe
featureonthedrawing,gobacktothemodel,createacouplemorefeatures,showthose
dimensionsonthedrawing,etc.
51.Whatisthebestwaytoshowdimensions?
A.Usepreviewandpickthefeaturesfromthemodeltree.
52.Howarethedefaultnumberofdecimalplacesanddefaulttolerancevalues
determinedforpartsandassemblies?
A.Theyarebuiltintothestartpartandstartassembly.
53.Listfourtypesofassemblyconstraints.
A.Mate,align,insert,orient.

7. PARAGD
54.Whyshouldyouputassemblycomponentsonalayer?
A.Soyoucanseetoaddnewcomponentstotheassembly.Layersdonotcareabout
parent/childrelationships.
55.Howdoyougetalistofallthefeaturesinamodel?
A.Useinfo>featurelist.