Enkbkbkngineering Drawing Form Four

8/10/2019 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+


14/25

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


15/25

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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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16/25

orthographic pro$ection drawings

9.5 Dimensioning of


17/25

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


18/25


19/25

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*)%.%)%!


20/25

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


21/25

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


22/25

.1 Concepts of o)li6uedrawinga.


23/25

%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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25/25

auxiliary views inengineering #eld

7se of auxiliary views inengineering #elds

how auxiliary views are used inengineering #elds

CUT( A)*(+ TA*U, $U-A( 17 ,.$B+ 2015 *(,A 2 'A, 201!

Enkbkbkngineering Drawing Form Four

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