Download - Enkbkbkngineering Drawing Form Four
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ENGINEERING DRAWING FORM FOURSEK MEN KEB ROMPIN, 26800 KUALA ROMPIN, PAHANG
WEEK 1 ORIENTATION WEEK FOR FORM FOUR STUDENTSUNIT 1 : INTRODUCTION (WEEK 2 3
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1.1 Evolution of drawing,system andstandardization
L!.! 1Narrate the development ofEngineering drawing.
Explain the currentdevelopment of ComputerAided Drafting CAD!.
"dentify the classi#cation of thepro$ection systems.
"dentify the importance ofstandardization.
%tate the agencies related tostandardization.
&ather charts'graphic materialsrelated to engineering.
(repare material to explain currentdevelopment of Computer AidedDrafting CAD!.
(repare classi#cation pro$ectionsystem on charts.
(rovide examples to exposestudents the importance ofstandardization and its relatedagencies.
A!$/% 141Classi#cation of the pro$ectionsystems
o Discuss career prospects inEngineering Drawing
o %tudents o)serve and compare CADon CAD drawing
o "n groups, students discuss theimportance of standardization and itsrelated agencies.
Resources :Samples of Engineering Drawing, CAD,illustration and ne-arts.
Drawing equipment and materials.
1.* De#nition andimportance of
Engineering Drawing
Comparison ofEngineering Drawing,illustration and #ne+arts.
L!.! 1De#ne Engineering Drawing.
elate the importance ofEngineering
Drawing as a )asis for higherlearning in engineering.
(repare charts to de#neEngineering Drawing and its
relation.
&ather and exhi)it samples ofEngineering Drawing, "llustrationand -ine+arts.
A!$/% 142
o &ather captions ofnewspaper'magazines related to
engineering drawing.o Compare Engineering Drawing with
illustration and #ne+arts
Resources :Samples of Engineering Drawing,
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elate Engineering Drawing ascareer opportunities.
Compare Engineering Drawingwith illustration and #ne+arts.
%ample of uilding Drawing Illustration and ne-arts
1./ 0ypes of EngineeringDrawing
&eometrical Drawingo (lane geometryo %olid geometry
elated Drawingso echanical
drawingo
uilding drawingo (iping drawingo Electrical drawingo Electronic drawing
L!.! 1Explain the di2erent types ofEngineering Drawings oncharts.
Explain and di2erentiate&eometrical Drawing to otherrelated drawings.
(repare -raction Charts of (lane&eometry and %olid &eometry.
Distri)ute and explain samples of&eometry and other relateddrawings.
A!$/% 143Charts of (lane &eometry and%olid &eometry
o Compare (lane &eometry Drawingwith %olid &eometry Drawing.
o 3in4 the related drawings toengineering
Resources :raction C!art of Engineering Drawing
1.5 E6uipment andaterials
Applicationmaintenance andsafety precaution ofdrawing e6uipmentsand materials
L!.! 1"dentify drawing e6uipment andrelated materials.
(ractice organizing drawinge6uipments and materials.
7se appropriate drawing
e6uipment and materialso %afety and
accurately
Demonstrate and introduce actualdrawing e6uipment and materials.
Explain proper application andmaintenance of e6uipment.
A!$/% 145asic e6uipment for Engineering
Drawing
o %tudents name the e6uipmento 7sing'handling the e6uipment'toolscorrectlyo 7sing 0+s6uare to constructhorizontal lineo 7sing set s6uare to construct
vertical and inclined lineso 7sing compass and -rench curve to
construct curve and arco 7sing eraser shield to erase
unnecessary text and lines
Resources :Drawing equipment and materials
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1.8 %etting up drawingpaper
&eometrical Drawing
&eometrical (lane&eometrical loc4
L!.! 1%et up drawing paper ondrawing )oard
(repare )order lines and title
)loc4
(lan the drawing position onthe drawing paper
(repare a sample paper wor4 ofdrawing complete with )ordersand title )loc4.
Demonstrate how to divide
drawing paper with )orders, title)loc4s and drawing layoutaccurately.
A!$/% 14%etting up of drawing paper ondrawing )oard
A!$/% 146(lanning position of drawing
o (lace paper on drawing )oardo Draw )order and title )loc4 areaso (lan drawing layout
1.9 Careers L!.! 1"dentify related career toEngineering Drawing
(repare video recordings, gathercareer pamphlets and )rochuresthat explain related careers
o :atch video recordings
o &ather captions ofnewspaper'magazines related tocareer opportunities
Resources :Career pamp!lets and "roc!ures
UNIT 2 : SKETCHING (WEEK 3 75L!"#$%$& "#!" L!"#$%$& ')*'+! T!"*-%$& "*)%.%)%! S&&!)!/ L!"#$%$& A*)%.%)%!
A!+!$)*.1 (rinciples of %4etching L!.! 1
Explain correct principles ofs4etching
Explain correct principles ofs4etching
o %tudents conscientiously correctprinciples of s4etching
Resources;i. #rid paper ii. Samples of s$etc!es
*.* %4etching 0echni6uesa. %traight lines). Circles, arcs,
L!.! 1%4etch straight lines, circles,arcs, curves and shapes
Explain correct techni6ues ofs4etching
o %4etch on grid papero %4etch on )lan4 paper
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curvesc. %hapes
correctly Demonstrate methods of s4etchingo %traight lineo Circleo Arc line
o Curve lineo %how the s4etch on )lan4
and grid paper
Resources :S$etc!ing on grid paper.%ec!niques :i. &olding a pencili i. 'a$ing appro(imate proportions
*./ 0echni6ues inDetermining(roportion
L!.! 1Determine s4etchingproportions correctly
Demonstrate correct methods ofma4ing estimation of proportionaldiagram.
(repare samples of full sizes4etching and proportion.
Demonstrate methods of ma4ingestimation.
o Estimate proportional s4etchingdiagram
S$etc! straig!t lines, circle, arc, cur)eand s!apes
*.5 0ypes of s4etchesa.
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f. &uide lineg. Dimensional lineh. %ectioning linei. Extension line$. Cutting plane4. (ro$ection line
l. (hantom line
in Engineering Drawing
/.* Characteristics ofAlpha)et of 3inesa. %hapes). 3ine dar4nessc. Application
L!.! 1"dentify and apply correctcharacteristics of alpha)et oflines
(repare sample charts ortransparencies of Characteristicsof alpha )et of lines
Explain and demonstrate steps toconstruct Alpha)et of 3inesaccurately
o Draw the di2erent lines accurately)ased on the followingcharacteristics ; %hape Dar4ness
Application
/./ 0ypes of 3inesa. ?ertical lines). >orizontal linesc. "nclined linesd. (arallel linese. (erpendicular lines
L!.! 1Draw parallel lines vertical,horizontal, inclined andperpendicular lines! withuniform dar4ness and thic4nessusing appropriate drawinginstruments
(repare sample charts ortransparencies of 0ypes of lines
Construct and demonstrate correctmethods to draw straight linesvertical, horizontal, inclined andperpendicular! with uniformdar4ness and thic4ness usingstandard drawing instruments.
o 7se 0+s6uare to construct verticallines and inclined lines
o 7se 0+s6uare and set s6uare toconstruct horizontal lines
o 7se 0+s6uare and set s6uare toconstruct perpendicular lines
o 7se 0+s6uare and set s6uare toconstruct inclined lines
/.5/.8
0ypes of lettering0echni6ues of3ettering
L!.! 1"dentify shapes of letters
%tandard 7pright lettering
%tandard inclined lettering
:rite letters with correctlettering techni6ue usingguidelines
Apply appropriate spacing)etween letters and )etween
(repare sample of charts ortransparencies of types ofletterings
Explain shapes of upright lettering
and inclined letterings
7sing guidelines to producestandard lettering to apply correcttechni6ue to produce standardletteringsExplain and demonstrate type of
o -ollow standard lettering guidelinesto produce standard lettering
o 7se correct techni6ue to producestandard lettering sizes
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words lines and their application inEngineering Drawing
/.9 0racing and "n4inga. "nstrument and
in4ing
i. 0racingpaper
ii. 0echnicalpen
). 0racing and in4ingmethods
L!.! 1"dentify instrument andmaterials
Explain correct tracing andin4ing methods
(repare actual tracing and in4ingmaterials
Explain correct tracing and in4ingmethods
o
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lines). Division of lines
(arallel lines
(erpendicular lines
Divide lines according to givencriteria isect line
Divide into e6ual division Divide according to given
ratio
-ence grill
%tadium rac4
Explain concept of parallel lines
Demonstrate how parallel line can
)e construct )y 0+s6uare and sets6uare
Demonstrate how to constructperpendicular line on horizontal,vertical and inclination linesDemonstrate how to divide a lineinto two e6ual lengths and dividethem into various lengths
Demonstrate how to divide lines
incline parallel lineso Construct perpendicular line on
horizontal, vertical and inclinationlines
o Construct parallel line on aperpendicular line
o 7se geometrical method to dividethe line given into two parts
o Divide a line into several parts and ofthe same length
o Divide a line )ased on ratio given
5./ Anglesa. 0ypes of angles). Construction of
anglesc. Division of angles
L!.! 1"dentify various type of angles
Construct various type ofangles
Divide angles into e6ual parts
0ransferring angles
Explain types of angle and theircharacteristics and also examplesof angle ; ight angle
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Appendix 4/20ypes of angles
5.5 0rianglesa. 0ypes and
characteristics of
triangles). Construction of
triangles
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3evel 1"dentify types andcharacteristics of triangles
E6uilateral "sosceles ight triangle
%calene
Construct triangles )ased ongiven criteria ; 0hree sides
0wo sides and one angle ;o 0wo sides and one
included angleo 0wo sides and one
)ase angleo ase and two )ase
angle
L!.! 2Construct triangles )ased ongiven criteria ; (erimeter and side
proportion ight angle, hypotenuse
and one aside ase, one angle and vertex
angle ase, vertex angle and
height (erimeter, height and
vertex angle
L!.! 3
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Construct triangles )ased on ; 0hree medians
5.8 uadrilateralsa. 0ypes and
characteristics of
6uadrilateral). Construction of
6uadrilaterals
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L!.! 1"dentify types andcharacteristics of 6uadrilaterals
; s6uare rectangle
parallelogram
rhom)us
trapezium
4ite shape
Construct s6uare and rectangle)ased on given criteria ; sides diagonal
Construct parallelogram withgiven two ad$acent sides ; included angles
diagonal
Construct rhom)us )ased ongiven criteria ; sides
angles
Explain and display charts ortransparencies of types and
characteristics of rectangle
Explain side and diagonal and6uadrilateral plane
Explain methods to constructvarious type of 6uadrilaterals
o :ith a side and diagonalmeasurement given, construct as6uare and rectangle
o :ith ad$acent sides given, constructa parallelogram and dimension of thefollowing;
"nclude angle
diagonalo Construct a rhom)us when sides and
angles are given
5.9 (olygonsa. 0ypes and
characteristics ofpolygons
). Construction ofregular polygons
L!.! 1"dentify types of ; egular polygons
"rregular polygons
Construct regular pentagon)ased on criteria given ;
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%ides
Circumscri)ed circle
Construct regular hexagon)ased on criteria given ; %ides
3ength across @ats 3ength across corners
Demonstrate methods to constructregular pentagon, hexagon andoctagon
length across @atso Construct a regular hexagon with
length across corners giveno Construct a regular octagon with one
side giveno Construct a regular octagon in
circumscri)ed circleo Construct a regular octagon in a
s6uare given
Resources :%*pes and c!aracteristics pol*gon c!art
5. %calea. 0ypes of scale). :ays of stating
scalec. Application of
scale
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L!.! 1"dentify types of scale; Common scale
Diagonal scale
ention of scale )y; atio -raction
%tatement
L!.! 27se correct techni6ue of scaleruler with a de#nite ratio
Explain types of scale commonlyused and ways to state them
&uided a map scale, explain howscale is used
%how actual scale ruler andexplain how to read the scale onthe ruler
Explain how to measure using ascale ruler
%tate the scale can also )e done)y ratio representative fractionand statement. this can )e doneon charts or orally!
Distri)ute scale rulers foro)servation and discussion ingroups
o %tudents discuss and o)serve thescale lines on scale rulers in group
Resources :Scale ruler
5. eduction andEnlargement
L!.! 1Explain the concept ofreduction and enlargement
Explain and demonstrate twoplane diagrams of similar shapes)ut of di2erent sizes
o Draw enlarged and reduced planediagram )ased on side ratio given
o Draw enlarged or reduced plane
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Di2erentiate the reduction orenlargement )etween side ratioand area ratioConstruct )y reduced orenlarged plane diagram with ;
&iven side ratio
L!.! 27se reduction or enlargementdiagram with given ; Area ratio
Explain and di2erentiate twosimilar plane diagrams F )ut withdi2erences in side length or areasExplain the di2erences inreduction or enlargement as in
side ratio and area ratio and theirrelations
Demonstrate methods to constructreduced or enlarged plane diagram)ased on side ratio given
Demonstrate methods to constructreduced or enlarged plane diagram)ased on area ratio given
A!$/% 545Enlargement'reduction concept of
side ratio
diagram )ased on area ratio given
o 7se reduction or enlargement toconstruct same plane diagram )asedon area ratio given
5. -igures of e6ual areaa. Concept of area in
transformationstage
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L!.! 1Explain the concept of e6ualarea
"dentify diagrammatictransformation of shape ofe6ual area
Construct various diagrams ofe6ual area ;
(olygon to triangle 0riangle to rectangle
ectangle to s6uare
L!.! 2Construct various diagrams ofe6ual area
Explain concept of e6ual area fortriangles and 6uadrilaterals ofsame )ase located )etween twoparallel lines
Demonstrate how to change ashape of a triangle to rectangle
Demonstrate how to change ashape of a rectangle to s6uare of
e6ual area
Demonstrate how polygon aretransformed into triangle of e6ualarea
Distri)ute wor4sheets to students
o Construct diagrams of e6ual area;
0riangle to another trianglewith one side given
0riangle to rectangle
ectangle to s6uare
o Construct a triangle of e6ual area toanother triangle with one side given
o Construct a 6uadrilateral with a sidegiven
o Construct a 6uadrilateral of e6ualarea as a polygon
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0riangle to triangle with one ; %ide given
uadrilateral to
6uadrilateral with one sidegiven
Develop se6uentialtransformation of polygon tos6uare
Explain and demonstrate how toconstruct triangle with one sidegiven
Explain and demonstrate how to
construct a rectangle to anotherrectangle with one side given
A!$/% 54An e6ual area diagram
5.1B
Circlesa. 0erms and
characteristics ofcircles
). Construction ofcircles and arcs
L!.! 1"dentify terms andcharacteristics of circles
Determine centre of circle orarcs using two chords
Construct circles or arcs )asedon given ;
adius
Diameter
/ points
7se transparencies or graphicmaterials to explain terms andcharacteristics of circles
Explain and show how two cordscan determine centre of circle or
arcs
Explain and show how to constructa circle )ased on given ;
adius
Diameter
/ points
A!$/% 546Circle
o 7se two cords method to determinecentre of a circle or an arc
o %tudents draw a circles )ased on thecriteria given
Resources:C!art of terms and c!aracteristics ofcircle
5.1
1
Ellipse and para)ola
a. Characteristics ofellipse andpara)ola
). Construction ofellipse
c. Construction ofpara)ola
L!.! 1
"dentify characteristics ofellipse and para)ola
Construct ellipse using theconcentric circle method
Construct para)ola using the
7se transparencies'graphic
materials to explain characteristicsof ellipse, para)ola and theirdi2erences
Demonstrate how to constructellipse )y the concentric circlemethod
o Construct ellipse with ma$or and
minor axis length giveno Construct ellipse in rectangle
o Construct para)ola )y therectangular method
Resources:'odel representation of ellipse and
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rectangular method
"dentify the di2erence )etweenellipse and para)ola
Demonstrate how to constructpara)ola )y the rectangularmethod
A!$/% 549
Ellipse, para)ola and >yper)ola
para"ola
5.1*
0angentsa. Concepts and
characteristics oftangents
). Construction ofline tangential to acircle
c. Construction ofcircle tangential toa line
d. Construction ofcircle tangential to
a circle
L!.! 1Explain the concepts andcharacteristics of tangencyF 0angents )etween line and
circle 0angent )etween circle and
another circle
L!.! 23ocate the tangency point etween circle and line
etween two lines and
circle etween a line and two
circles internally orexternally!
etween two circlestouching internally orexternally
etween straight line andtwo circles internally orexternally
Construct a line tangential to ; A point on the
circumference of a circle A point outside a circle
Construct a circle tangentialto ;
Explain the concept of tangent linestraight line touching to circle orcurve!
Explain the concept of tangent lineon two curves or two circles
Explain the concept of tangencywhen inner and outer of two circlestouch each otherExplain and show methods toconstruct a tangential circle
touching a straight line
A!$/% 5480angent and point of tangency
Explain and show how to constructa circle tangential to two lines
Explain and show how to constructa line tangential to a circle
Draw a common tangent linetouching outer two circlesexternally
Explain and show how to constructa common tangential line on theinner side of it
o Draw a circle tangential to a line
esources;a. ?ideo show'CD+
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A line given the radius ofthe circle
0wo lines given the radius of
the circle
Construct a circle tangential
to ; Another circle and
tangential to it externally Another circle and
tangential to it internally 0wo other circles and
tangential to )oth internally 0wo other circles and
tangential to )oth externally
L!.! 3Construct a circle tangential to;
Another circle through thegiven point internally Another circle through the
given point externally
Explain and show how to constructtwo circles tangential to a line
Explain and show how to constructa circle through a point and
tangential to a line at a point given
Explain and show how toconstruct a circle through pointand tangential to two lines
Explain and show how to constructa circle touching another outercircle
Explain and show how to constructa circle touching another innercircle
Explain and show how to constructa tangential circle touchinganother outer circle at 0 andthrough point (
Explain and show how to constructa tangential circle that touches theouter side of another circlethrough point ( outside circle
Explain and show how to constructa circle touching another outercircle and line at point (
Explain and distri)ute 6uestions onwor4sheet related to tangent
o Draw a tangential circle touchinganother outer circle at 0 and throughpoint ( outside the circle
o Draw a circle touching another circleand line at point (
o Apply concepts and characteristics of
tangent to complete exercises onwor4sheets
UNIT 6 : ORTHOGRAPHIC PROECTION (WEEK 16 20
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9.1 Concepts and %ym)olsof -irst and 0hirdangle (ro$ections
L!.! 1Explain the concepts andsym)ols of #rst and third anglepro$ections
Demonstrate and explain #rst andthird angle pro$ection of solidmodels on chart or transparencies
Demonstrate and explain sym)olsof #rst and third angles pro$ection
A!$/% 641-irst and third angles pro$ectionsym)ols
o Compare and construct concepts andsym)ols of #rst and third anglespro$ection
o Draw #rst and third angles pro$ection
sym)ols
Resources:Related solid models
o Draw orthographic pro$ection ofsimple solid
9.* (rinciple of 6uadrantsin the #rst and thirdangle pro$ections
L!.! 2Explain the principle of6uadrants in the #rst and thirdangle pro$ections
Demonstrate on transparenciesprinciples of 6uadrant for #rst andthird angles pro$ection
A!$/% 642(rinciples of 6uadrant onpro$ections plane
o Compare #rst and third anglespro$ection principle
9./ Construction of thirdangle orthographicpro$ection
L!.! 1Construct third angleorthographic pro$ection ofgeometrical solid as follows; %olid @at surface only %olid inclined surface
%olid circle surface
L!.! 2Construct third angle
orthographic pro$ection ofgeometrical solids as follows; %olid with o)li6ue surface
%olid with curve surface
Demonstrate method ofconstructing @at, inclined andcircle surfaces )y third anglesorthographic pro$ection
A!$/% 643%ample of orthographic pro$ection
Construct and demonstrateorthographic pro$ection ofgeometrical solid on o)li6ue andsolid curve surfaces
A!$/% 645"nclined and curve surface of
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orthographic pro$ection drawings
9.5 Dimensioning of
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a. -acilities of CAD%ystem
). Advantages anddisadvantages ofCAD
c. CAD software
De#ne CAD
"dentify the facilities
7se (C hardware
Explain the advantages anddisadvantages of CADcompared to the conventionalmethods
L!.! 2-amiliarize with CAD softwareand its functions
Explain and demonstrate actualCAD hardware
Explain and present preparedsimple diagram of AutoCAD
drawing
Discuss advantages anddisadvantages of conventionaldrawing and CAD system
Distri)ute fundamental notes ofAutoCAD and its functions
o %tudents prepare a list of inputhardware such as
o %tudents prepare a list of outputhardwares
o %tudents list advantages of AutoCADo Disadvantages of AutoCAD
o %tudents list the type of CADsoftware
8.* AutoCAD %oftwareCommandsanagement
L!.! 17se drawing #le command
7se AutoCAD softwarecommand
L!.! 2Construct simple plane diagramusing familiarized command
Distri)ute commands notesAutoCAD #le operation
A!$/% 41Display of pull+down menu G #le
operation commands
7se pull down menu and icon toexplain AutoCAD software. ExplainAutoCAD software commandsusing pull+down menu and icon
A!$/% 42Display of pull+down menu GAutoCAD software drawingcommands
A!$/% 43Display of pull+down menu GAutoCAD software modifycommands
A!$/% 45Display of pull+down menu G
o %tudents use AutoCAD #le operationcommands
o %tudents use AutoCAD softwarecommands as listed
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3evel *Apply layers
7se AutoCAD softwarecommand to construct *D )loc4diagramso orthographic pro$ectiono isometric drawing
Appendix 11'/Complete the isometric drawingusing AutoCAD softwarecommands
(repare an example of a simple)loc4 drawing using AutoCADcommands
o students prepare title )loc4 using theformat availa)le in AutoCAD
o students draw )ased on instructions
ac6uired in title )loc4 referring to theexample given
11.*
CAD text anddimensioning
3evel *7se of text commands anddimension in Computer AidedDrafting drawing;o mtexto dtexto dim
(repare example of )loc4 diagramin dis4ettes to #ll in textcommands and dimensioning
Distri)ute text commands anddimensioning printed notes
Appendix 11'53ayer applications in orthographicdrawing
o student uses the drawing in thedis4ette according to AutoCADsoftware cmmands
11./
(rinting the computeraided drafting drawing
3evel 1Explain print command(rint computer aided draftingassignment
0eacher prepares printing outputon di2erent types of paper.Example ;o transparency paper
o card papero A/ paper
Distri)ute printing manual notes
0eacher prepare dis4ettes orstudent AutoCAD drawing output
"dentify the commands uses to printfrom a given or availa)le #le
UNIT 8 : ISOMETRIC DRAWING (W!!; 8 12L!"#$%$& "#!" L!"#$%$& O)*'+! T!"*-%$& "*)%.%)%! S&&!)!/ L!"#$%$& A*)%.%)%!
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A!+!$).1 Concepts of "sometrics
drawinga. "sometric axis). Characteristics of
isometric drawing
L!.! 1Explain the concept ofisometric Normal axis
>orizontal axis
eserved axis
"dentify isometric drawingcharacteristics "sometric line
Non+isometric drawing
Angle in isometric
Circle in isometric
Curve in isometric
Explain isometric pro$ectionconcept
A!$/% 841"sometric pro$ection concept
Explain isometric axes; Normal axis
3ongitudinal axis
eserved axis
A!$/% 842"sometric axis
Demonstrate characteristics ofisometric drawing "sometric lines Non isometric lines
"sometric angle
"sometric circle
Curves in isometric
Arcs'circles in isometric "sometric planes
Non isometric planes
A!$/% 843Characteristics of isometricdrawing
o %tudents draw diagram related toisometric pro$ection concept
o %tudents identify and di2erentiatevarious types of isometric axis
Normal'regular axis 3ongitudinal axis
eversed axis
o "dentify isometric drawingcharacteristics
esources;a. %amples of drawing). odel from various engineering
#elds
o Draw isometric drawing fromorthographic pro$ection
Asses isometric drawing produced
.* Construction of
isometric drawing onnormal axis
L!.! 1
Construct isometric drawing ofgeometrical solid )y ox method
-rame method
Construct isometric circles
Demonstrate and descri)e
methods to construct isometricdrawing )y ox method
-rame method
A!$/% 845
o %tudents draw simple )loc4 using
)ox and frame methodo %tudents draw isometric circle'arc
using four centered methodo %tudents draw using coordinate
methodo %tudents identify and determine
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using four centre method
Construct curves in isometricplane using coordinate method
Construct isometric drawing of
geometrical solid havingsurfaces -lat
"nclined ounded
L!.! 2Construct isometric drawing ofgeometrical solid having
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.1 Concepts of o)li6uedrawinga.
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%election of o)li6ue drawingorientation
.5 Constructions ofo)li6ue drawinga. ox method
). -rame method
L!.! 1Construct o)li6ue drawing ofgeometrical solids using ;
o ox methodo -rame method
L!.! 2Draw circles on o)li6ue axis ;o -our centered methodo Coordinate method
Explain and show methods toconstruct o)li6ue drawing )y usingo ox method
o -rame method
%how methods to construct circleson o)li6ue axes )y using ;o -our centered methodo Coordinate method
o %tudents construct o)li6ue drawing)y; ox method
-rame method
o %tudents construct o)li6ue drawing)y; ox method
-rame method
Answer prepared 6uestions
.8 Dimensioning ofo)li6ue drawing
L!.! 1Dimension o)li6ue drawing
Distri)ute o)li6ue drawing6uestions for dimensioning
Explain and demonstrate methodof dimensioning o)li6ue drawing
)y using unidirectional and alignedsystem
o %tudents use unidirectional andaligned system to dimensioningo)li6ue drawing
.9 Application of o)li6uedrawing inengineering #eld
L!.! 2Apply o)li6ue drawing foro)$ects or components invarious engineering #elds
Explain and demonstrate o)li6uedrawing on charts ortransparencies
UNIT 9 : ADDITIONAL >IEWS W!!; 16 20L!"#$%$& "#!" L!"#$%$& O)*'+! T!"*-%$& "*)%.%)%! S&&!)!/ L!"#$%$& A*)%.%)%!
A!+!$).1 Concepts of additional
viewsL!.! 1Explain the concepts ofadditional views
Di2erentiate )etweenadditional view andorthographic pro$ection
(repare sample drawing to explainconcepts of additional views
A!$/% 941
Auxiliary views of depth
(repare'collects samples ofadditional view and orthographicpro$ection drawing
o %tudy conscientiously concept ofadditional views
o 3in4 orthographic pro$ection toadditional views
Resources:a!
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8/10/2019 Enkbkbkngineering Drawing Form Four
24/25
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8/10/2019 Enkbkbkngineering Drawing Form Four
25/25
auxiliary views inengineering #eld
7se of auxiliary views inengineering #elds
how auxiliary views are used inengineering #elds
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