Graphical Communication for Engineering
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Name: _____________________________________ Student #:___________________________________ Graphical Communication for Engineering ENSC 204 – Final Exam December 16, 2015 Time: 3 hours CLOSED BOOK EXAM Read all the instructions below. Do NOT start the exam until you are told to. VERSION 1111 You are allowed a pen, pencil, and an eraser. Other instruments are not allowed. Layout each question as discussed in class. Use appropriate line types and weights for visible, hidden, and center lines where appropriate. Keep all questions neat. Place answers for the multiple choice questions on the Scantron sheet. All other question must be answered in this booklet. In accordance with the Academic Honesty Policy (T10.02), academic dishonesty in any form will not be tolerated. Prohibited acts include, but are not limited to, the following: • making use of any books, papers, electronic devices or memoranda, other than those authorized by the examiners. • speaking or communicating with other students who are writing examinations. • copying from the work of other candidates or purposely exposing written papers to the view of other candidates. Please keep in mind that academic honesty requires not only that you avoid looking at anyone else’s work but that you protect your work from the eyes of others. Out of Mark Multiple Choice 30 Isometric to Multi-view w/ Aux view 20 Missing View to Isometric 10 Cross-sections 10 Descriptive Geometry 10 Total 80
Transcript of Graphical Communication for Engineering
Name: _____________________________________
Student #:___________________________________
Graphical Communication for Engineering ENSC 204 – Final Exam
December 16, 2015
Time: 3 hours
CLOSED BOOK EXAM Read all the instructions below.
Do NOT start the exam until you are told to.
VERSION 1111
You are allowed a pen, pencil, and an eraser. Other instruments are not allowed.
Layout each question as discussed in class. Use appropriate line types and weights for visible, hidden, and center lines where appropriate. Keep all questions neat. Place answers for the multiple choice questions on the Scantron sheet. All other question must be answered in this booklet. In accordance with the Academic Honesty Policy (T10.02), academic dishonesty in any form will not be tolerated. Prohibited acts include, but are not limited to, the following:
• making use of any books, papers, electronic devices or memoranda, other than those authorized by the examiners. • speaking or communicating with other students who are writing examinations. • copying from the work of other candidates or purposely exposing written papers to the view of other candidates.
Please keep in mind that academic honesty requires not only that you avoid looking at anyone else’s work but that you protect your work from the eyes of others.
Out of Mark Multiple Choice 30 Isometric to Multi-view w/ Aux view 20 Missing View to Isometric 10 Cross-sections 10 Descriptive Geometry 10 Total 80
Multiple Choice (30 Marks) Forthefollowingquestions,enterthecorrespondinganswersontheScantronform.Answersplacedwithintheexaminationsheetswillnotbemarked.EnsurethatyoufillouttheScantronformproperly:writetheinformationinthesquaresprovidedandthenfilloutthecorrespondingbubbles.Filloutyourname(lastnamethenfirstname).Remembertousethespacebubble(thefirstbubble)forthespacebetweennames.Includeyourstudentnumberintheidentificationnumbersection.Entertheversionnumbershownonthefrontoftheexam(either1111or2222)inthespecialcodesection.Youmayleavethesectioncodeblank.Eachquestionisworthone(1)point.Youmustuseapencilforthesequestions.1)Thedrawingbelowshowsacross-sectionofablindholeinthefrontview.Inthetopview,toproperlydimensiontheobject,whichofthepossibleanswersrepresentsthecorrectwaytodimensiontheblindhole?
a) aisthecorrectwaytodimensiontheblindhole.b) bisthecorrectwaytodimensiontheblindhole.c) cisthecorrectwaytodimensiontheblindhole.d) disthecorrectwaytodimensiontheblindhole.e) eisthecorrectwaytodimensiontheblindhole.
2)Thepicturetotherightshowsthenotationforafewdrillingoperations.Selectthemostcorrectstatement:
a) Aisacounterbore;Bisacountersink;andCisaspotface.b) Aisacountersink;Bisacountersink;andCisaspotface.c) Aisaspotface;Bisacountersink;andCisacounterbore.d) Aisacounterbore;Bisacountersink;andCisacounterbore.e) Aisacountersink;Bisacountersink;andCisacountersink.
3)Thediagramtotheright
a) ismissingonedimension,soitisunderdimensioned.b) hasoneadditionaldimension,soitisover
dimensioned.c) ismissingtwodimensions,soitisunder
dimensioned.d) hastwoadditionaldimensions,soitisover
dimensioned.e) isproperlydimensioned.
Usethediagramtotherightwhenansweringquestions4and5.4)Thediagramtotheright
a) ismissingonedimension,soitisunderdimensioned.b) hasoneadditionaldimension,soitisoverdimensioned.c) ismissingtwodimensions,soitisunderdimensioned.d) hastwoadditionaldimensions,soitisoverdimensioned.e) isproperlydimensioned.
5)Forthediagramtotherighttobedimensionedproperly,
a) Oneofthe∅’sshouldchangetoRandoneofthearrowsshouldpointinward.
b) Oneofthe∅’sshouldchangetoRandbothofthearrowsshouldpointinward.
c) Oneofthe∅’sshouldchangetoRandbothofthearrowsshouldpointoutwards.
d) Bothofthe∅’sshouldchangetoRandoneofthearrowsshouldpointinward.
e) Nochangesarenecessary.
6)Thedimensioningstandardshownontherightisa) U.S.Standard.b) EuropeanStandard.c) Uni-directionalstandard.d) Alignedstandard.e) Noneoftheabovestatementsaretrue.
7)Forthedimensionedobjectsshowntotheright,
a) Only‘a’and‘d’aredimensionedproperly.b) Only‘b’and‘c’aredimensionedproperly.c) Allbut‘c’aredimensionedproperly.d) Allaredimensionedproperly.e) Nonearedimensionedproperly.
8)Thefigurebelowshowanisometricdrawingofanobjectwithacorrespondingcross-sectiontakenatsectionB-B.
Whichofthetwogivencross-sectionsiscorrect?
a) Thecross-sectionlabelledAiscorrect.b) Thecross-sectionlabelledBiscorrect.c) Bothcross-sectionsarecorrect.d) Neitherofthecross-sectionsarecorrect.
9)Youarestandinghalfwayupa16-footladderwhichhassunktwofeetintothegroundlookingatanobjectthatis6feetintheair.Ifyoudrewaperspectivedrawingofwhatyousee,youwouldproducea
a) bird’seyeview.b) human’seyeview.c) ground’seyeview.d) worm’seyeview.e) cat’seyeview.
10)Considerthedrawingtotheright.Thelabelsfor1,2,and3shouldbe
a) z,y,xb) x,y,zc) y,x,zd) z,x,ye) x,z,y
11)Consideringthesamedrawingasquestion2,thelabelsfor4,5,and6shouldbe
a) height,depth,widthb) depth,width,heightc) height,width,depthd) depth,height,widthe) width,depth,height
12)Thepicturetotherightshowshowtocreatea(n)
a) isometricprojection.b) trimetricprojection.c) axonometricprojection.d) perspectiveprojection.e) obliqueprojection.
13)Thedrawingofthestreetontherightisanexampleofaa) nopointperspective.b) one-pointperspective.c) two-pointperspective.d) three-pointperspective.e) Cabinet-obliqueperspective.
14)Regardingthepictureontheright,selectthecorrectstatement:
a) U.S.Standardisplacedinthefirstquadrant.b) U.SStandardisplacedinthethirdquadrant.c) Europeanstandardisplacedinthethirdquadrant.d) Europeanstandardisplacedinthefourthquadrant.e) Noneoftheabovestatementsaretrue.
15)Anobliquesurface
a) willhavethesametaxonomyintwoviews.b) willhavethesametaxonomyinthreeviews.c) willhavethesametaxonomyinthefrontandprofileviews.d) willhavethesametaxonomyinthefrontandtopviews.e) Noneoftheabove.
16)Consideringaxonometric,isometric,trimetric,anddimetricdrawings,ranktheseintheorderofleastpossiblenumberofviewstomostpossiblenumberofviews.
a) Isometric,trimetric,dimetric,axonometric.b) Isometric,dimetric,trimetric,axonometric.c) Axonometric,trimetric,dimetric,isometric.d) Trimetric,dimetric,isometric,axonometric.e) Axonometric,isometric,dimetric,trimetric.
17)Whenanobserverisatinfinity,thelineofsightisnormaltothepictureplane,andtheobjectisrotatedsothatfeaturesinallthreedimensionsarevisible,
a) anorthographicdrawingwillbeproduced.b) aperspectivedrawingwillbeproduced.c) anobliquedrawingwillbeproduced.d) anorthmorphorpicdrawingwillbeproduced.e) anaxonometricdrawingwillbeproduced.
18)Whenanobserverisafinitedistanceawayfromthepictureplane,
a) anorthographicdrawingwillbeproduced.b) aperspectivedrawingwillbeproduced.c) anaxonometricdrawingwillbeproduced.d) anobliquedrawingwillbeproduced.e) Noneoftheabove.
19)Aplanviewisanothernameforthea) sideview.b) frontview.c) topview.d) auxiliaryview.e) cross-sectionalview.
20)Selectthecorrectstatement:
a) Ifalineispositionedperpendiculartoaprojectionplaneandthelineofsiteisperpendiculartothatprojectionplane,thelinewillappearasatruelength.
b) Ifalineispositionedparalleltoaprojectionplaneandthelineofsiteisparalleltothatprojectionplane,thelinewillappearasatruelength.
c) Ifalineispositionedperpendiculartoaprojectionplaneandthelineofsiteisparalleltothatprojectionplane,thelinewillappearasatruelength.
d) Ifalineispositionedorthogonaltoaprojectionplaneandthelineofsiteisparalleltothatprojectionplane,thelinewillappearasatruelength.
e) Ifalineispositionedparalleltoaprojectionplaneandthelineofsiteisperpendiculartothatprojectionplane,thelinewillappearasatruelength.
21)Ahalfsectionis
a) amulti-viewdrawingwhereonlythetop,front,andrightprofileviewsareshown.b) adimensioningtermusedwhenreferringtolabelinganarcbasedonradiusversusdiameter.c) theintermediatestepwhencreatingatrueshapeandsizedrawingofanobliqueplanewhereanedgeviewis
produced.d) atypeofdrawingthatsimultaneouslyshowsthecross-sectionofanobjectandtheexternalviewoftheobject.e) atermincircuitboardlayoutwhereaPCBisdividedintotwobasedoninputsandoutputs.
Ineachofthefollowing,anobjectisplacedatthecenterofa“glassbox”.Youreyeisatthecorneroftheglassboxindicatedbytheblackdot,andyouarelookingtowardthecenteroftheglassbox.Selectwhichdrawingfromthechoiceof5bestrepresentstheobjectasviewedfromthisposition.
22)Thecorrectansweris
a) 1b) 2c) 3d) 4e) 5
23)Thecorrectansweris
a) 1b) 2c) 3d) 4e) 5
24)Thecorrectansweris
a) 1b) 2c) 3d) 4e) 5
Refertothisdiagramwhenansweringquestions25through30.
25)Inthediagram,theboxnumberedas“1)”shouldbelabeled
a) orthographicprojectionsb) multi-viewprojectionsc) obliqueprojectionsd) axonometricprojectionse) normalprojections
26)Inthediagram,theboxnumberedas“2)”shouldbelabeled
a) orthographicprojectionsb) multi-viewprojectionsc) obliqueprojectionsd) axonometricprojectionse) normalprojections
27)Inthediagram,theboxnumberedas“3)”shouldbelabeled
a) orthographicprojectionsb) multi-viewprojectionsc) obliqueprojectionsd) axonometricprojectionse) normalprojections
28)Inthediagram,theboxnumberedas“4)”shouldbelabeled
a) orthographicprojectionsb) multi-viewprojectionsc) obliqueprojectionsd) axonometricprojectionse) normalprojections
29)Inthediagram,theboxlabeled“10)”iscalledasecondangleprojection,whichisalsocalledtheEuropeanStandard.
a) Trueb) False
30)Inthediagram,theboxlabeled“5)”isaone-pointperspectivethatisin
a) bird’seyeviewb) ground’seyeviewc) worm’seyeviewd) orthographicviewe) normalview
Isometric to Multi-view with Auxiliary View (20 marks) For the isometric drawing below, draw the corresponding multi-view drawing (top, front, and right profile) on the grid provided. Also draw a partial auxiliary view for the “I” shaped face. Assume that any feature where you cannot determine the end point passes completely through the object.
Sketch your answer here.
Missing Multi-view to Isometric (10 marks) For the multi-view drawing given below, sketch the isometric drawing on the grid provided and draw in the missing top view.
Sketch your isometric drawing here.
Cross-section (10 marks) For the multi-view drawing given below, create a cross-section as indicated by the cutting plane and draw an isometric drawing. Cross-section
Isometric
.
Descriptive Geometry (10 marks) A plane is defined by three points, A, B, and C, with the following coordinates (1,4,5), (3,1,1), and (6,6,3), respectively. On the coordinates provided below, plot the points on the top and front views. Then, using the descriptive geometry techniques discussed in class, draw the plane in true shape and size using H-1 as your first fold line. Marks are allocated for properly labeling fold lines and vertices as well as showing your projection lines. (10 marks)
